Product Data · 2014-01-25 · Carrier’s Product Data Manual has been specifically developed to...

Product Data

52M Performancet SeriesPackaged Terminal Air Conditioner / Heat Pump7,000 --- 15,000 Btuh

A07228

TABLE OF CONTENTSPAGE

QUICK SPECIFICATIONS 3. . . . . . . . . . . . . . . . . . . . . . . . . .

APPLICATIONS 4--5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

New Construction 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Retrofit Replacement 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Carrier Warranty 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Application Considerations 5. . . . . . . . . . . . . . . . . . . . . . . .

ORDERING DATA 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Product Catalog Number 6. . . . . . . . . . . . . . . . . . . . . . . . .

Required Accessory Power Cord Catalog Number 6. . . .

PRODUCT OVERVIEW 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PRODUCT FEATURES & BENEFITS 8--15. . . . . . . . . . . . . .

FIELD INSTALLED ACCESSORIES 16--23. . . . . . . . . . . . . .

DIMENSIONAL DRAWINGS &INSTALLATION DATA -- NEW CONSTRUCTION 24--29. .

WALL THERMOSTAT CONNECTIONS 30. . . . . . . . . . . . . .

PERFORMANCE AND ELECTRICAL DATA 31--34. . . . . .

CFM CHART 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SOUND DATA 36--37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

52M TYPICAL WIRING SCHEMATIC 38. . . . . . . . . . . . . . .

TYPICAL WIRING SCHEMATICFOR EM INTERFACE 39. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TYPICAL WIRING SCHEMATIC FOR MULTIPLE PTACUNITS CONNECTED TO A SINGLE WALL TSTAT 40. . . .

GUIDE SPECIFICATIONS 41--44. . . . . . . . . . . . . . . . . . . . . . .

ACCESSORIES 45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PTAC LIMITED WARRANTY 47. . . . . . . . . . . . . . . . . . . . . . .

2

Valued Carrier Customer,

Carrier’s Product Data Manual has been specifically developed to make your product and

accessory selection easier and faster than ever. This manual will help you customize your

application to ensure the greatest comfort for your guests and the highest reliability and

lowest costs for you.

Enjoy the ultimate in comfort, humidity control, and energy savings with Carrier’s

complete line of Packaged Terminal Air Conditioning (PTAC) products. The Performance

series (52M), whisper quiet model, is Carrier's quietest unit ever.

The Performance refrigerant system utilizes the highest efficiency compressors and coil

design to achieve maximum energy efficiency. The airflow system uses two fan motors

and an indoor tangential blower wheel for maximum comfort and superior sound. Choose

the 52M Performance series now and start recovering your investment immediately throug

energy savings, guest satisfaction and enjoy years of economical, trouble-free operation

and comfort.

Thank you for choosing Carrier and investing in the highest quality air conditioning and

heating system ever.

Best regards,

Lodging Products Group

52M

3

QUICKSPECIFICATIONS

COOLING&ELECTRICHEAT

MODELNUMBER

Cooling

Capacity

BTUH(WH)

EER

Electrical

HeatingCapacity

Reverse

Cycle

Heat

(BTUH)

COP

Voltage

Range

StandardIndoorCFM(Dry/Wet){

COOLING

Approx.Ship

Weight

lb(kg)

Low

Med

High

AMPS

WATTS

}52ME---U07---------3

7,000/7,000(2,051/2,051)

12.5/12.4

15or20Ampcord

only*

------

187---253

295/275

320/290

345/300

3.0/2.8

560/565

125(56.7)

}52ME---U09---------3

8,800/9,000(2,579/2,638)

11.4/11.4

------

300/270

330/300

360/320

3.9/3.7

770/790

125(56.7)

}52ME---U12---------3

12,000/12,100(3,517/3,546)

11.4/11.5

15,20or30Amp

cordonly*

------

310/280

330/300

360/320

5/4.7

1,050/1,050

140(63.5)

}52ME---U15---------3

14,600/14,800(4,279/4,338)

9.7/9.8

------

320/300

360/315

385/320

7.6/6.6

1,505/1,510

150(68.0)

52ME---U07---------4

7,000(2,051)

12.4

15or20Ampcord

only*

------

239---292

295/275

320/290

345/300

2.4

565

125(56.7)

52ME---U09---------4

9,100(2,667)

11.7

------

300/270

330/300

360/320

3.3

790

125(56.7)

52ME---U12---------4

12,100(3,546)

11.5

15,20or30Amp

cord.*

------

310/280

330/300

360/320

4.4

1050

140(63.5)

52ME---U15---------4

15,000(4,396)

10.0

------

320/300

360/315

385/320

5.9

1500

150(68.0)

HEATPUMPS

ModelNo.

Cooling

Capacity

BTUH(WH)

EER

Electrical

HeatingCapacity

ReverseCycle

Heat

BTUH(WH)

COP

Voltage

Range

StandardIndoorCFM(Dry/Wet){

COOLING

Approx.

Ship

Weight

lb(kg)

Low

Med

High

AMPS

WATTS

}52MQ---U07---------3

7,000/7,000(2051/2051)

12.2/12.3

15or20Ampcord

only*

6,500/6,600

(1910/1934)

3.5/3.4

187---253

295/275

320/290

345/300

3.0/2.8

574/569

125(56.7)

}52MQ---U09---------3

8,800/9,000(2579/2638)

10.5/10.5

8,300/8,350

(2433/2447)

3.4/3.3

187---253

300/270

330/300

360/320

4.1/3.9

840/860

125(56.7)

}52MQ---U12---------3

12,000/12,000(3517/3517)

11.1/11.1

15,20or30Amp

cordonly*

10,700/10,900

(3136/3195)

3.4/3.3

187---253

310/280

330/300

360/320

5.1/4.8

1,080/

1,090

140(63.5)

52MQ---U07---------4

7,000(2051)

12.4

15or20Ampcord

only*

6,400(1876)

3.4

239---292

295/275

320/290

345/300

2.4

565

125(56.7)

52MQ---U09---------4

9,000(2638)

10.9

8,400(2462)

3.5

239---292

300/270

330/300

360/320

3.2

825

125(56.7)

52MQ---U12---------4

11,400(3341)

10.8

15,20or30Amp

cord.*

10,600(3107)

3.0

239---292

310/280

330/300

360/320

4.2

1,050

140(63.5)

*SeePowerCordSelectionchartbelowforheatingcapacityrating.Using30AmpcordsonU07andU09modelscouldresultindamagetounit.

{Dry=HeatModeIndoorStandardCFM@230or265volt/Wet=CoolModeIndoorStandardCFM@230or265volt

}Ratingsshownare208/230voltratings

POWERCORDSE

LECTION:

52MPTA

Csarenotindividuallyequippedwithapowercord,soonemustbeorderedseparatelybasedon

thevoltageandam

perageofyourelectricalcircuit.Ifthe

unitistobepluggedintoareceptacle,thenalinecordconnection

kitneedstobeselected.Ifitwillbepermanentlyconnected,ahardwireconnection

mustbeused.

ModelNo.

Voltage

ReceptacleType

Heating(Btuh)

Heater(Kw)

InputPower

(WH)

Current

(Amps)

BranchCircuit

FullAmps

PWRCORD---230V---15A

208/230V

15AMP/250V

5,630/6,950

1.6/2.0

1,650/2,036

8.0/8.9

15


20AMP/250V

8,650/10,390

2.5/3.0

2,507/3,045

12.2/13.2

20


30AMP/250V

13,780/16,990

4.0/5.0

4,037/4,978

20.5/21.5

30


265V

15AMP/277V

6,820

2.0

2,000

8.9

15


20AMP/277V

10,470

3.0

3,068

13.2

20


30AMP/277V

17,110

5.0

5,015

21.5

30

NOTE:IncompliancewithUL,andtheNationalElectricalCode,265Vunitsinstalledwithapowercordrequiretheuseuseofa265Velectricalsubbase.

Alw

ays

look

for t

hese

sym

bols

,the

air

cond

ition

ing

indu

stry

sea

ls o

f cer

tifie

d pe

rform

ance

,effi

cien

cy a

nd c

apac

ity.

52M

APPLICATIONSWhether you are designing a new structure orreplacing packaged terminal air conditioning units inan existing building, Carrier will meet your needs.

S Hotels and motelsS Nursing homes and assisted living care

centersS OfficesS ApartmentsS Single--family dwellingsS Home conversions and residential add--ons

NEW CONSTRUCTIONThe Carrier 52M Packaged Terminal AirConditioning (PTAC) unit is designed to meet theneeds of the architect, engineer, and contractor. Forunit installation,Carrier’sexpert support networkwillassist in all applicable aspects of the constructionproject, from preparing a budget to start--up.

ADVANTAGES FOR NEWCONSTRUCTIONDesign Flexibility for the Architect/Engineer

S Whisper--quiet performance, indoors and outS No bulky duct systemS No separate equipment roomS No water towers or additional cooling

equipmentS No complex match--up of different HVAC

componentsS Less sensitivity to building orientation (sun,

wind, shade)S Optional architectural grille to permit custom

exterior appearance

Initial Cost Savings for the Building OwnerS No expensive component HVAC system

purchaseS No equipment room or maintenance

engineering staffS Two--part delivery to minimize on--site

damageS Weather--protected wall sleeve that goes in

place during construction; chassis that slidesin place after construction

S No seasonal changeover required for coolingor heating -- units are self--contained comfortsystems

Lower Operating Costs and Reliable Comfortfor The Occupant

S Heat pump models offer substantial savingsover models with conventional electricresistance heaters

S Individual units allow tenants to choose thedegree of comfort and operating economy.

S Rapid servicing reduces downtime: completechassis can be replaced in minutes withoutdisrupting other occupants.

S Each unit operates independently of otherunits in the building. No dependency bybuilding on central HVAC system.

RETROFIT/REPLACEMENTIf you are replacing a unit in an existing wall sleeve,your options include:

S Replace the existing wall sleeve with aCarrier Weather Lastt sleeve. See accessorysleeve section for selecting the correct sleevefor your application.NOTE: in most cases, when replacing thewall sleeve, the exterior grille must also bereplaced.

S Use an existing sleeve and exterior grille. TheCarrier 52M series PTAC will fit into:— The following major competitors’ wall

sleeves/grilles: GE, Amana, Trane,Friedrich and Bryant, and NO accessoryretrofit kit is required.

— Replacing older Carrier PTACproducts, 52P, 52C, 52S and Carrier52B, and NO accessory retrofit kit isrequired.

— Friedrich T series and ZoneAire wallsleeves, with a required wall sleeveextension (see accessory FriedrichRetrofit Wall Sleeve Adapter).

IMPORTANT: All non--Carrier sleeve or exteriorgrille retrofit applications need prior approvalfrom Carrier. Please contact your Carrierrepresentative for assistance.

CARRIERWARRANTYCarrier’s five--year limited warranty is the mostcomprehensive in the industry. Carrier provides:

S Full coverage for parts and labor for firstyear.

S Four additional years of full coverage onsealed refrigeration system.

S Limited second through fifth year coverageon non--refrigeration system parts.

52M

5

APPLICATION CONSIDERATIONSInstallation instructions are shipped with all PTACunits. It is important that air conditioning systems beproperly sized and installed for each application inorder to achieve the desired temperature and humiditylevels within the space to be conditioned. It isstrongly recommended that a professional engineermatch the PTAC units with the building structure andclimate.The following application considerations are allimportant in choosing the proper PTAC system forthe building structure.

UndersizingIf a PTAC unit is undersized (cooling capacity is lessthan required capacity for an application), the unitwill not be able to cool the space down to the desiredtemperature during very hot days. The result could bewarm and humid or warm and dry conditioned space.

OversizingIf a PTAC unit is oversized (cooling capacity isgreater than required capacity for the specificapplication), the unit will cool the space down to thedesired temperature too quickly.The unit will cycle on and off, however,dehumidification only takes place when the unit isoperating. The result of this type of application in ahot and/or humid climate would be a cool, yetexcessively humid, space.

Air InfiltrationExcessive air infiltration can intensify problemsassociated with undersizing or oversizing a PTACunit. This can be the cause of insufficient cooling,dehumidification, or heating. Sources of airinfiltration include vents, gaps around windows anddoors, and improperly sealed floors, ceilings or walljoints.

52M

6

ORDERING DATAFor immediate assistance, call 1--800--827--7435 (in U.S.A. only) or contact your local Carrier dealer.Standard Unit

S Chassis with front panelS Electronic controls with touchpad and digital display

Lead--time: Many models are in stock for immediate delivery; call for lead--times.

FRONTPANEL

INDOORCOIL

BASEPAN

DISCHARGEGRILLE

WIRE SCREEN

BI-MOLDED CONDENSER SHROUD

COIL TUBESHEETS

INDOOR-AIRFILTERS

ACCESSORY

WALL

SLEEVE

ACCESSORY

OUTDOOR

GRILLE

DIGITAL CONTROL PAD W/ELECTRONIC DISPLAY

WALL THERMOSTAT AND ENERGY MANAGEMENTINTERFACE

CONFIGURATION DIP SWITCHES

A06752

PRODUCT CATALOG NUMBER

Electrical Data3 – 208/230-v, 60 Hz4 – 265-v, 60 Hz

Cooling Capacity (nominal)07 – 7,000 Btuh09 – 9,000 Btuh12 – 12,000 Btuh15 – 15,000 Btuh

52 ME – U 12 – – – 3

Series DesignationPTAC (Packaged Terminal Air Conditioner)

Electric Heater SizeU – Universal (defined by power cord)

Performance SeriesME – Cooling with Electric HeatMQ – Heat Pump

A08385

ACCESSORY POWER CORD (REQUIRED) CATALOG NUMBER

A07636

Amperage 15A = 15 Amps20A = 20 Amps30A = 30 Amps

PWRCORD – 230v

Kit DescriptionPWRCORD = Power Cord

Voltage

– 20A

230v = 208/230-v, 60 Hz 265v = 265-v, 60 Hz

A07637

*Power Cord

for 208/230v*

*Power Cord

for 265v

52M

7

PRODUCT OVERVIEW (52M)This section summarizes product features covered in detail in later sections of this manual.

FRONTPANEL

INDOORCOIL

BASEPAN

DISCHARGEGRILLE

WIRE SCREEN

BI-MOLDED CONDENSER SHROUD

COIL TUBESHEETS

INDOOR-AIRFILTERS

ACCESSORY

WALL

SLEEVE

ACCESSORY

OUTDOOR

GRILLE

DIGITAL CONTROL PAD W/ELECTRONIC DISPLAY

WALL THERMOSTAT AND ENERGY MANAGEMENTINTERFACE

CONFIGURATION DIP SWITCHES

Accessory Power Cord

S Accessory Power Cord or Hardwire Kit(required) -- Select correct power cord orhardwire kit to match voltage and amperage ofelectrical circuit.

S Polymer, Metal or Extended Wall Sleeve --Designed for rugged duty, acoustic absorption,and attractive appearance for years to come.

S Rotary Compressors -- Provide quiet, reliableoperation.

S Copper Tube Aluminum Fin Coils -- Enhancedcoils provide durability, high performance, andease of operation.

S Fresh Air Control Arm -- Allows outdoor air intoroom through vent filter for improved air quality.

S Control Door -- Provides protection for controlsand enhances appearance.

S Condensate Removal -- Minimizes condensatewater on outside of building.

S Two--Piece FilterDesign -- Provides improved airfiltration and can be removed easily for cleaning.

S Louvered Front Panel -- Made of high impactpolystyrene. Provides improved performance andquiet operation.

S Bi--Molded Condenser Shroud -- The two--piececondenser shroud allows easy access for serviceand maintenance to the outdoor coil and othercomponents.

S Digital Control Pad with Electronic Display --Easy to select: mode, fan speed and set point withan easy to read electronic display. In _F or _C.

S Configuration Dipswitches -- Setup the systemperfect for the exact application.

S Wall Thermostat Interface -- A terminal blockfor wiring up a wall thermostat that is easy to wireto and is easy to remove.

S EM (Energy Management) Interface -- A plugfor tying to an Energy Management system orFront Desk Control. Easy to wire to and easy toremove.

52M

8

PRODUCT FEATURES AND BENEFITS (52M)

S Improved sound for quiet operationS Exceeds ARI (Air Conditioning and Refrigeration

Institute) minimum efficiency requirements withexceptional energy efficiency ratios (EERs)

S Easy to operate digital keypadS Easy to see electronic displayS Wall thermostat interface standardS Energy Management interface standardS Easy configuration for most applicationsS Enhanced temperature and humidity controlS Self check/Self Correct featuresS Condensate removal systemS Attractive, durable cabinet featuring new designS Chassis that easily retrofits to most major competitors’

sleeves without use of retrofit kitS Low operating costsS No bulky duct systemS No seasonal changeover

QUIET OPERATIONOccupants and neighbors are protected against noiseintrusion. Indoor sound reduction is achievedthrough the units’ two--fan motor and tangential fandesign that provides a smooth, uniform air discharge.Outdoors, the rotary compressor provides quiet,reliable operation.

MOST EFFICIENT PERFORMANCEHighEERsprovide excellent operating economy.Thesystem operates without bulky ductwork, separateequipment room, and complex match--up of differentcomponents. Heating and Cooling modes areavailable without seasonal changeover.

EFFICIENT FAN MOTORAn efficient, totally enclosed PSC (permanent splitcapacitor) indoor fanmotor provides a choice of high,medium or low speeds for heating and cooling. Afan--only setting provides air circulation. The fanmotors, both indoor and outdoor, require nomaintenance and no lubrication.

FULL LINE OF CARRIER ACCESSORIESS Weather Lastt Polymer, metal or extended Wall SleevesS Exterior GrillesS Electrical Connection KitsS SubbasesS Condensate Drain KitS Remote Control ThermostatsS Power Vent Kit

COMFORTOUCH DIGITAL CONTROLS Temperature Display and Touch Pad on Unit

— Precise and easy--to--useS Continuous Temperature Sensing

— Ideal Comfort for your guestsS Cooling, Heating and Fan Modes

— One unit for all seasonsS Electronic Temperature Limiting

— Reduces operating costsS Auto Restart and Random Restart Delay

— Automatically restarts after a power failureS Freeze Protection

— Protects unoccupied rooms from freezingtemperatures

S Emergency Heat (Heat pump models)— Bypasses compressor operation and activates

electric heater for guest comfortS Remote Control Options

— The ultimate in installation flexibility; Wired,Wireless or Energy Management

SILENCER SYSTEMtS Three Speed Indoor Fan

— More comfort options for guests to choose fromS Dual Motor Technology

— Separate Indoor and Outdoor Motors allows oneof the quietest and most efficient units in theindustry

S Aero--Quiett Indoor Blower Wheel— Provides quiet and consistent airflow for

maximum guest comfortS Compressor Sound Blanket

— Quiet operation and low sound transmissionindoors

S Insulated Bulkhead between Indoors and Outdoors— Quiet operation and low sound transmission

indoors

SMARTFAN COMFORT CONTROLS Programmable Constant Fan Operation

— Carrier Customized Comfort in heating orcooling modes

S Quiet fan start--up and stops— Smooth ramp--up and ramp--down of fan speed

for quiet comfort

EZSERV -- EASE OF INSTALLATION,SERVICE AND MAINTENANCES Easy troubleshooting with LED onscreen displaysS 9 point diagnostics, self--check / self--correctS Front--access, cleanable lifetime air filtersS Easy access to condenser coil for cleaningS Blue Fin Coating Technology for easy rinsing of coilsS Universal Electric HeaterS Comprehensive 5--year limited warranty

52M

9

NO--RUST WEATHER LASTtWALL SLEEVE AND FRONT PANELThe indoor front panel and polymer wall sleeve usenonmetallic compounds that never rust or corrode, donot support combustion, and do not give off toxicfumes. The weather-resistant feature exceedsrequirements of Underwriters Laboratories and resistsdamage caused by impact and scratching. TheWeather Last feature also insulates and has up to 10times the acoustic absorption of metal cabinets.Insulated polymer wall sleeves combine all of theabove features with factory-installed insulation. Theinsulation helps to reduce heat loss, save energy,provide better sound absorption, and reduce the riskof sleeve sweating.Carrier’s metal wall sleeves are available in a varietyof sizes for most standard and deep wall applications.All metal wall sleeves come with factory-installedinsulation, designed to minimize heat loss and reduceoutdoor noise transmissions into the room.

A07633

42”(1067 mm)

16”(406 mm)

14-7/8”(378 mm)

Standard Wall Sleeve (Polymer)

A07381

42 in(1067)

16 in(406)

Available in:14-3/4 in. (375),18 in. (457),24 in. (610),26 in. (660),28 in. (711)Amounts in ( ) = mm

Standard and Deep Wall Sleeve (Metal)

REMOVABLE FRONT PANELThe louvered front panel fits firmly onto the chassisand features easy removal for service. It providesfront air intake to enhance performance and quietoperation.

A07381

Front Panel

TWO--PIECE LIFETIME INDOORFILTERTwo--piece removable filters easily slide in and outfrom the front of the PTAC unit and areinterchangeable. The front panel does not need to beremoved to access or change the filters. The filters arewashable and permanent.

2 Air filters

A07381

Two--Piece Indoor Filter

52M

10

OUTDOOR AIR VENTILATIONThe unique vent system is activated by atwo--position control. Fresh outside air is redirectedby the vent door to an inside low--pressure area. Amolded plastic filter prevents dirt and debris fromentering the room side of the unit. The ventmechanism is made from non corrosive materialensuring reliable operation. Amagnet on the door andhigh--pressure airflow create a tight, draft free sealwhen the vent door is closed.

The vent will provide up to 65 cfm of fresh air.

NOTE: If more fresh air cfm is required, aPower--Vent Kit is available (see accessories).

A07550

Outdoor Air Ventilation

BI--DIRECTIONAL DISCHARGEGRILLEThe discharge grille is constructed of durablepolycarbonate and is reversible. Air flows upward at a40 degree angle to the floor but can easily be adjustedto an 80 degree angle to the floor.

Air discharge upward

Air discharge outward (Default)

A07550

Reversible Polycarbonate Discharge Grille

DIGITAL KEYPAD ANDELECTRONIC DISPLAYThe digital keypad provides a simple to operatecontrol. The large, easy to press, “On/Off”, “FanSpeed”, “Mode”, “SetpointUp”and “SetpointDown“buttons make the control easy to operate. LEDs areused to show the operating conditions selected.Large numbers are used to display the Setpoint, and ifconfigured, room air temperature.

A07632

Electronic Display

SYSTEM CONFIGURATIONThere are many different configuration possibilities,through both dipswitches and the digital keypad, thatallow you to configure the unit for your exactapplication. See Owner’s Manual for more detailedinformation.

Electric heat only (for Heat Pumps)

Wall Thermostat enable

Fan CON/CYC for heating

Fan CON/CYC for cooling

Setpoint Limit 1

Setpoint Limit 2

Freeze guard

Dipswitch

UP

Down

A07072

Dipswitches

52M

11

WALL THERMOSTAT INTERFACEThe standard wall thermostat interface provides asimple to install thermostat connection. The unit hasa removable terminal connector to make field wiringeasy. See more info on wall thermostat connectionsin the Dimensional Drawings and Installation DataSection.

Notes:— Thermostat wire is field supplied and

recommended wire size is 18 to 20 gagesolid thermostat wire.

— Wire should never be routed through thewall sleeve.

— It is recommended to include extra wiresin case a wire breaks or is cut duringinstallation.

— The thermostat is ordered separately anda Carrier PTAC approved thermostat isrecommended, see the accessory chart inthe back.

EM (ENERGY MANAGEMENT)INTERFACETheEM interface is standard and provides a simple toinstall, EnergyManagement connection. The unit hasa removable terminal connector to make field wiringeasy. When 24VAC is supplied to the input (the EMconnection), the unit will turn off. Once the 24VAC isremoved (becomes 0 volts), the unit will turn backon.

Note: For more info, see the section in the back,Typical Wiring Schematic For EnergyManagement Interface.

R W Y O Gh Gl C

A07073

Terminal Connector Removal and Replacement

Wall Thermostat

Terminal Connections

Energy Management


A07634

Wall Thermostat and Energy ManagementInterface

POWER CORD FOR 265V UNITSThe 265v power cord extends 15--in. (381 mm) frombottom of front panel and, per UL and NationalElectric Codes (NEC), must plug into an electricalsubbase.

Note: Accessory power cord and electricalsubbase sold separately. (See Accessory sectionin back of this document.)

20

19

18

17

16

15

14

13

12

11

10

98

76

54

32

1

A07635

265V Power Cord

52M

12

POWER CORD PROTECTION FOR230/208V UNITSThe power cord for the 208/230--v unit providespower cord protection by automaticallydisconnecting power during an unsafe condition.Power can be restored by pressing the RESET button.

A07551

Power cord Plug Head

BI--MOLDED CONDENSER SHROUDThe bi--molded condenser shroud provides easyaccess for service and maintenance of the condensercoil and related components.

BI-MOLDEDCONDENSERSHROUD

A07677

Bi --Molded Condenser Shroud

EASY ACCESS TO CHASSISAccess to the chassis simply requires removing frontpanel, then four easy to access screws and thensliding the chassis out of the sleeve for service ormaintenance.

A07057

Easy to Access Chassis

52M

13

ENHANCED COPPER TUBINGEnhanced copper tubing is more efficient and durableand can be repaired in the field, if required. Becausecopper is a very stable metal, it is durable and resistscorrosion. Enhanced copper tubing increases:

S heat transfer capabilityS the efficiency of the cooling and heating

processesS thermal conductivity (by creating additional

tube surface and turbulent refrigerant gasflow)

Every Carrier PTAC coil undergoes thorough leaktesting and pressure testing.

SEAMLESS BASEPANSeamless drawn basepanwalls add protection againstwater accumulation resulting from storm--driven rainwith heavy wind.Carrier’s deep basepan holds up to 1--3/4 gallons (6.6liters) of water without spilling. Closed cell foaminsulators are located between the basepan and coils,keeping coils from direct contact with the basepanandprovidingadditionalprotectionagainstcorrosion.

A07552

CONDENSATE DRAIN VALVEThe temperature--activated drain valve opens whenthe outdoor temperature drops below 55_F (12.8_C)to prevent water from freezing in the basepan.

A07550

Condensate Drain Valve Prevents Waterfrom Freezing in Basepan

CONDENSATE REMOVALCarrier’s 52M Series unit has a new condensate(water) disposal system. In addition to slinger ringtechnology, Carrier has developed and patented aCondensate Suction Port. The suction port, alongwith the slinger ring, draws in water which is sprayedup onto the outdoor coil. The water then evaporates,thus providing better disposal of excess condensateand improving unit efficiency.NOTE: If it is necessary to control 100% of thecondensate, the Carrier Drain Kit (Part No.:DRAIN--KIT--4PK) is recommended.

SLINGERRING

CONDENSER SECTION

CONDENSATIONSUCTION PORT

A07678

Condensate Removal System

52M

14

HEAT PUMPS PAY THEIROWNWAYHeat pump models are available at a nominaladditional cost. In many locales, the payback isrealized in just a few months. Cost and paybackdetails are provided on the next page.

SPECIAL FEATURESTwo-Stage Thermostat:The indoor thermostat senses the indoor temperatureand automatically turns on the electric heat to warmthe room quickly. After the desired temperatureconditions have been satisfied, the thermostatautomatically switches to heat pump mode. Ifcompressor failureoccurs, thethermostatwillprovidebackup electric heat automatically.

Outdoor Thermostat:During the heating cycle, the outdoor thermostatsenses outdoor coil temperature. It switches the unitto electric heat mode when the outdoor coiltemperature is 28_F (--2.2_C) or below for oneminute. The thermostat switches the unit back to heatpump mode when the outdoor coil temperature risesabove 40_F (4.4_C) for ten minutes, which is enoughto provide heat to meet demand. The entire operationis completely automatic.

Reversing Valve:The reversing valve provides quiet refrigerant flowwhen energized in heating mode. The valve controlsthe direction of refrigerant flow for both heating andcooling functions and remains energized as long asthe controls are in the heat position. When thecooling controls are activated, the valve automaticallyreverses to the cooling position.

Manual Compressor Override Configuration:This configuration dip switch completely locks outthe compressor. Note that the compressor and heaterdo not operate at the same time, thus conservingenergy.

HOW THE HEAT PUMPWORKS

A07553

In Hot Weather:Carrier’s PTAC units provide indoor comfort in thesame manner as conventional air conditioners,removing heat and humidity from indoor air. The heatand humidity is released to the outdoors. Carrier’shigh efficiency design saves energy and reducescooling costs.

A07553

In Cool Weather:When the outdoor coil temperature is above 28_F(--2.2_C), the heat pump draws heat from outdoor airand uses it to heat indoor air. Since heat is transferredand not produced, Carrier’s heat pump uses lesselectricity and reduces energy costs significantly.

A07554

In Sub-Freezing Weather:When the outdoor coil temperature falls below 28_F(--2.2_C) for one minute, the unit automaticallyswitches on a built--in electric heater. The compressorstops and the indoor fan circulates warm air producedby the heater.When the outdoor coil temperature risesabove 40_F (4.4_C) for ten minutes, heat pumpoperation resumes automatically.

52M

15

HEAT PUMP ENERGYSAVINGSHeat pumps save more on operating costs during theheating cycle than heat/cool models. The table belowshows that the higher initial cost of purchasing a heatpump is quickly made up in lower operating costs.Use the map to identify the climate zone’s designatednumber. Reading down the left--hand column of thetable, select the cost/kWh rate in this zone that mostclosely approximates your local rate. Theapproximated savings and payback period is found atthe intersection of your zone/rate line and the desiredBtuh Cooling Capacity column. Exact savings aredetermined by lifestyle, local electrical rates, andclimatic conditions.Formore precise energy savings in your geographicallocation, go to www.lodgingAC.com to use Carrier’senergy calculator.

ZONE V

ZONE IV

ZONE III II

ZONE I

VZONEVI

ZONE II

A07555

CARRIER HEAT PUMP INITIAL COST VERSUS SAVINGS OVER HEAT/COOL MODELS

ZONE ELECTRICCOST/kWH

7,000 BTUH(2,051 WH)1COOLINGCAPACITY

$60PREMIUM


$75PREMIUM


$90PREMIUM


$110PREMIUM

AnnualSavings*

Payback inMonths

AnnualSavings*

Payback inMonths

AnnualSavings*

Payback inMonths

AnnualSavings*

Payback inMonths

I$.06$.08$.10

$ 34.26$ 45.68$ 57.10

211613

$ 43.08$ 57.44$ 71.80

211613

$ 58.20$ 77.60$ 97.00

191411

$ 68.34$ 91.12$113.90

191412

II$.06$.08$.10

$ 57.12$ 76.16$ 95.20

1398

$ 71.76$ 95.68$119.60

1398

$ 96.96$129.28$161.60

1187

$113.64$151.52$189.40

1297

III$.06$.08$.10

$ 58.02$ 77.36$ 96.70

1297

$ 72.84$ 97.12$121.40

1297

$ 98.40$131.20$164.00

1187

$115.38$153.84$192.30

1197

IV

$.06$.08$.10$.12$.14$.16

$ 82.02$109.36$136.70$164.04$191.38$218.72

975443

$103.02$137.36$171.70$206.04$240.38$274.72

975443

$139.14$185.52$231.90$278.28$324.66$371.04

865433

$163.14$217.52$271.90$326.28$380.66$435.04

865433

V

$.06$.08$.10$.12$.14

$ 57.36$ 76.48$ 95.60$114.72$133.84

139865

$ 71.94$ 95.92$119.90$143.88$167.86

139865

$ 97.26$129.68$162.10$194.52$272.33

118764

$113.94$151.92$189.90$227.88$265.86

129765

VI

$.06$.08$.10$.12

$ 93.72$124.96$156.20$187.44

8654

$117.66$156.88$196.10$235.32

8654

$159.00$212.00$265.00$318.00

7543

$186.48$248.64$310.80$372.96

7544

LEGENDkWH --- Kilowatt Hour* Computer projections based on full cooling load at 95_F (35_C). Savings projected for 230 v ratings.1 Heating load is 5,000 Btuh (1465 WH) at winter design point temperature.2 Heating load is 10,000 Btuh (2931 WH) at winter design point temperature.3 Heating load is 15,000 Btuh (4396 WH) at winter design point temperature.

For more precise energy savings in your geographical location, go to www.lodgingAC.com to useCarrier’s energy calculator.

52M

16

FIELD--INSTALLED ACCESSORIESWALL SLEEVESWeather LasttWall SleeveFor the best performance and longest life, Carrierrecommends genuine Carrier wall sleeves for allinstallations.All Carrier wall sleeves are built with a pitch of 1/4in. per foot (20.3 mm/m); for self--pitching of theunit, the wall sleeve must be installed level (any errorshould be pitched to the outside). Overflow slots onthe outside of the sleeve are in place to divert excesswater during severe weather.

Important Sleeve Installation Considerations:S All Carrier sleeves are self pitching and mustbe mounted level in all directions. (Do not userails to level sleeve.)

S The sleeve should be caulked on all sides,including both inside and outside thebuilding.

S If more than 4 in. (101.6 mm) of wall sleeveprojects into the room, an accessory subbasemust be used for support.

S For all applications with an accessorysubbase, wall sleeve must extend 3--1/4 in.(82.6 mm) minimum into room and must be3--1/4 in. (82.6 mm) minimum to 5--1/2 in.(139.7 mm) maximum above floor (includingcarpeting) to allow for proper fit of subbase.

S For applications where the wall sleeve ismounted flush to the exterior of thebuilding(or recessed in), Carrier recommendsa field--supplied drip edge be installed toprevent water infiltration into the building.

S Insulated wall sleeves should be consideredfor superior sound absorption, to reduce heatloss and to prevent sleeve sweating, acondition that can occur when the outsidetemperature is cold and the indoor conditionsare warm and humid.

Polymer Wall SleevesChoose a polymer wall sleeve for maximumprotection and appearance.All Carrier’s polymer wall sleeves are made from amolded polymer that is designed for strength anddurability. This material has excellent corrosionresistance and a flammability rating of UL94--5V.The sleeve surface is textured to prevent shine andhide scratches. The rib configuration on the sleevebottom allows easy chassis removal and aids indrainage. The locating holes in the side and toppanels allow for easy fastening of the sleeve to wall

openings. Refer to dimension drawings for typicalwall installation and dimensions.The sleeve’s alpine mist color (a shade of beige)closely matches the front panel and blends in wellwith any inside or outside decor.The polymer wall sleeve comes in both insulated(factory installed) or non--insulated, to meet therequirements of every application.

Insulated Polymer Wall SleevePart No.: SLEEVE--INSUL--1PKCarrier’s accessory insulated polymer wall sleeve,with factory--installed insulation, provides superiorsound absorption, reduces heat loss and preventssleeve sweating, a condition that can occur when theoutside temperature is cold and the indoor conditionsare warm and humid.

IMPORTANT: Insulated Polymer Wall sleeveprovides superior sound absorption, reducesheat loss and prevents sleeve sweating.

A07633

42”(1067 mm)

16”(406 mm)

14-7/8”(378 mm)

Corrosion--Protected Polymer Sleeve

Non--Insulated Polymer Wall SleevePart No.: WALL--SLEEVE--1PKCarrier’s accessory non--insulated polymer wallsleeve provides a superior appearance and protectionfor many applications.

For applications where weather conditionscould influence sleeve sweating, a conditionthat can occur when the outside temperature iscold and the indoor conditions are warm andhumid, the Insulated Polymer Wall sleeveshould be considered.

52M

17

FIELD--INSTALLED ACCESSORIES (CONT.)Insulated Metal Wall SleevesPart No.: SLEEVE--STEEL--1PKPart No.: SLEEVE--EXT18--1PKPart No.: SLEEVE--EXT24--1PKPart No.: SLEEVE--EXT26--1PKPart No.: SLEEVE--EXT28--1PKCarrier’s metal wall sleeves are available in a varietyof sizes for most applications and difficultinstallations. Choose from 14--3/4 in., 18 in., 24 in.,26 in., or 28 in. (375 mm, 457mm, 610 mm, 660 mm,and 711 mm) standard depth sizes . All metal wallsleeves come with factory--installed insulation,designed to minimize heat loss, reduce outdoor noisetransmissions into the room and prevent sleevesweating. In addition, the metal wall sleeve providesa flammability rating higher than UL94--5V.

A07381

42 in(1067)

16 in(406)


Standard and Extended Metal Wall Sleeve

Wall Sleeve Molding KitPart No.: SLEEVE--MOLDINGFor a superior look and to hide any constructionimperfections, use Carrier’s wall sleeve molding kitto trim the wall sleeve to the wall. The molding kit isa perfect solution and can be used with any Carrierwall sleeve (matches Carrier wall sleeve color).

1/2 IN.(12.7 mm)

1 IN.(25.4 mm)

A08395

Wall Sleeve Molding Kit

Friedrich (and ZoneAire) Retrofit Wall SleeveAdapterPart No.: FR--SLEEVE--EXTThe Friedrich (and ZoneAire) wall sleeve adapter isconstructed of sheet metal and is designed to increasethe depth of an existing Friedrich T--series orZoneAire wall sleeve to accommodate Carrier’sindustry standard PTAC units.

42 IN.(1067 mm)

16 IN.(406.4 mm)

3 IN.(76.2 mm)

A08396

Friedrich Wall Sleeve Adapter Kit

52M

18

FIELD--INSTALLED ACCESSORIES (CONT.)OUTDOOR GRILLESCarrier recommends only the use of Carrier--suppliedgrilles for use on the 52M series units. However, thearchitectural designs of a buildingmay dictate the useof special or oversized grilles and/or louvers. Speciallouvers or any special architectural treatment of thebuilding facade that may restrict free circulation ofcondenser airflow should be referred to CarrierCorporation for evaluation and approval.This premium line of decorative outdoor grilles willenhance the appearance of any building. The grillesare made of strong, durable, extruded, anodizedaluminum and are designed to be mounted easilyfrom inside the room. These elegant grilles, availablein many standard colors, have baked enamel finishescontaining 50% Kynarr resin, for a superior finishthat will withstand the most extreme conditions.

Aluminum ArchitecturalOutdoor Grilles (Louvered)Part No.: GRILLE--ALU--CLEAR (anodized aluminum)

Part No.: GRILLE--ALU--WHITEPart No.: GRILLE--ALU--BEIGEPart No.: GRILLE--ALU--ALPIN (color matches Carrier

wall sleeve)

Part No.: GRILLE--ALU--BRONZPart No.: GRILLE--ALU--MBRNZPart No.: GRILLE--ALU--BROWNPart No.: GRILLE--ALU--LGREYPart No.: GRILLE--ALU--SGREYPart No.: GRILLE--ALU--PEACHPart No.: GRILLE--ALU--MELONPart No.: GRILLE--ALU--RDBRKPart No.: GRILLE--ALU--BLUEPart No.: GRILLE--ALU--GREEN

Polymeric Architectural Outdoor Grilles(Louvered)Part No.: GRILLE--PLA--BROWNPart No.: GRILLE--PLA--BEIGEPart No.: GRILLE--PLA--ALPIN

(color matches Carrier wall sleeve)This value line of polymeric architectural outdoorgrilles will blend attractively with most buildingexteriors. Mounted easily from inside the room, theone--piece, molded grille is designed for protection,enhanced appearance, and superiorweather--resistance. The grille is made of durablepolymer and has a colorfast, lightly textured finishthat blends well with most exterior finishes.

Architectural Grille inAluminum or Polymeric

Standard Outdoor Aluminum GrillePart No.: GRILLE--ALU--STAMPThis cost--effective, one--piece standard grille ismadefrom durable anodized aluminum. The grille islightweight, has a clear finish, and is easy to installfrom inside the room.

NOTE: Color samples can be ordered in packs of 10through your Carrier Sales Representative.(Distributors: order part number 02--CLRGR001--10through Literature Distribution).

For more information on custom colors and sizes,contact Reliable Products at 1--800--239--4621

Standard Grille

52M

19

FIELD--INSTALLED ACCESSORIES (CONT.)

OUTDOOR GRILLE SELECTIONIMPORTANT: If you wish to use a grille not madeby Carrier for your Carrier unit(s), contactCarrier Application Engineering.The following guidelines must be followed in theinitial selection of any alternate exterior grille orlouver:1. The louver must have a minimum of 65% freearea. Free area is the minimum area of theopening in an air inlet or outlet in which air canpass. Free Area (%) = X/Y.

2. The louver should be attached to the wall sleevein a manner that will prevent recirculation ofcondenser discharge air into the inlet. In mostapplications, baffles, splitters, and/or gasketwill be required between the chassis tube endsheets and the louver to prevent airrecirculation.

The above criteria must be followed, since a louverthat is restrictive or allows re--circulation will resultin a reduction of the unit’s capacity and efficiencyand will ultimately shorten the compressor life.

X

Y

X

Y X

YX

Y

Louver Dimensional Reference

Sample Calculations

Free Area (%) =x

x 100y

x = 1

y = 1.5

F.A. (%) =1

x 100 = 66.7%1.5

Hardwire KitPart No.: 52M--HDWR--KIT--15A

52M--HDWR--KIT--20A52M--HDWR--KIT--30A

This accessory hardwire kit provides a permanentconnection to the unit. Electrical hard wiring isrequired when NEC (National Electrical Code) orlocal codes restrict the use of power cord and plugconnections. The hardwire kit easily mounts on thefront right side of the unit and comes with 36 inches(914.4 mm) of flexible steel conduit.

A07381

Hardwire Kit

Conduit Interface KitPart No.: 52M--CONINT--15A

52M--CONINT--20A52M--CONINT--30A

The conduit interface accessory kit provides an easywire connection to the unit to interface to existingfield--supplied conduit.

A07810

Conduit Interface Kit

52M

20

FIELD--INSTALLED ACCESSORIES (CONT.)

SUBBASEPart No.: SUBBASE--230V--15APart No.: SUBBASE--230V--20APart No.: SUBBASE--230V--30APart No.: SUBBASE--265V--15APart No.: SUBBASE--265V--20APart No.: SUBBASE--265V--30APart No.: SUBBASE--NON--ELECPart No.: LEVELING--LEGS

This decorative subbase supports the unit and isavailable in three basic models: non--electrical,electrical, and hardwired.A subbase (or leveling legs) is required forinstallations where the wall sleeve extends 4 or moreinches into the room or the wall is less than 2 in.(50.8 mm) thick. The minimum clearance betweenthe bottom of the sleeve and the floor is 3--1/4 in.(82.6 mm), and the maximum clearance is 5--1/2(139.7 mm) inches.

IMPORTANT: All standard cord--connected265--v PTAC units will require afield--installed electrical subbase accessoryper UL and NEC electrical codes.

All subbase models are pre--assembled, mount to thewall sleeve, and come with adjustable legs and sideskirting to provide a finished appearance.

Non-Electrical SubbaseThe easy to install, non--electrical subbase providesmechanical support and requires no wiring.

Non--Electrical Subbase Assembly

Electrical SubbaseThe electrical subbase has a factory--installedelectrical junction box containing a receptacle forcorded packaged terminal air conditioner (PTAC)units. The electrical subbase series offers modelsfrom 230--v, 15 amp up to 265--v, 30 amp. Knockoutsare provided for power source connections. Electrical Subbase Assembly

52M

21

FIELD--INSTALLED ACCESSORIES (CONT.)Leveling LegsPart No.: LEVELING--LEGSLeveling legs attach easily to Carrier’s wall sleeveand offer accurate leveling and support for unitswithout a subbase. Leveling legs are adjustable from3--1/4 to 5--1/2 inches (82.6 to 139.7 mm).

Leveling Legs

Subbase Fuse KitPart No.: SUBBASE--FUSE--15APart No.: SUBBASE--FUSE--20APart No.: SUBBASE--FUSE--30AThe fuse kit provides in--line over--current protectionat the unit when required by NEC (National ElectricCode) or local codes.

IMPORTANT: The Fuse Kit can only beused with the electrical or hardwiredsubbase.

Subbase Fuse Kit

Subbase Power Disconnect SwitchPart No.: SUBBASE--SWITCHThe subbase power disconnect 2--pole switchprovides a recessed power disconnect for the PTACunit when required by NEC or local codes.

IMPORTANT: This accessory can only beused with the electrical or hardwiredsubbase.

ON

Power Disconnect Switch Assembly

52M

22

FIELD--INSTALLED ACCESSORIES (CONT.)THERMOSTATSCarrier’s full line of wall thermostats are designed to enhance every PTAC application. The Carrier ComforttSeries of thermostats consists of programmable and non--programmable air conditioner and heat pump controls .These units feature non--mercury, non--lead based electronic controls built into a subtle, 1.2 inch (30.5 mm) slimplastic enclosure. Wall thermostats are simple and easy to use. Wall thermostats provide better temperature andhumidity control as they can be placed in an optimal position in the room.

NOTE: See wiring diagram of multiple PTAC units controlled by one thermostat on page 40.

Non--Programmable ThermostatPart No.: PTACSTAT--NP--HC--A (heat/coolmodels)Part No.: PTACSTAT--NP--HP--A (heat pumps)This low--voltage, easy--to--use non--programmablethermostat provides maximum guest comfort.

S Configurable continuous display back--lighting

S Heating/Cooling setpoint range is from 50_F(10_C) to 90F (32_C).

S 24VAC compatible

S Auto changeover available

S Non--volatile memory to retain settings duringa power outage.

S Optional battery operation

S English/Metric units selection

S Keypad lockout

S Configurable setpoint limits

A07135

Non--Programmable Thermostat

Digital Programmable ThermostatPart No.: TC--PAC01 (heat/cool models)Part No.: TC--PHP01 (heat pumps)This micro computer controlled, 7--dayprogrammablewall thermostat has enhanced featuresthat provide automatic control for both heat pumpsand heating/cooling units.The programmable model includes thenon--programmable features plus the following:

S Touch--N--Go programmability

S 5--2 or All Days programmable

S 4 or 2 periods per day selectable

A07136

Programmable ThermostatRemote Room Sensor

Thermostat Locking CoverPart No.: TSTAT--COVER--6X7Part No.: TSTAT--COVER--7X10The thermostat locking cover prevents unauthorizedaccess to the thermostat.

A07745

Thermostat Locking Cover

52M

23

FIELD--INSTALLED ACCESSORIES (CONT.)Condensate Drain KitPart No.: DRAIN--KIT--4PKThis universal drain kit may be used internally orexternally to route condensate to a drainage system. Itcan be field--installed on any Carrier wall sleeve.Although Carrier units are designed to dissipate allthe condensate generated during normal cooling,there may be times when abnormal conditions causemore condensate than the unit can dissipate. Ifcondensate that drips from the wall sleeve isobjectionable, this internal/external drain kit shouldbe installed.The drain kit may be attached to the exterior right orleft side of the wall sleeve for external draining ormounted to the room side of the wall sleeve forinternal draining.A 6 in. (152.4 mm) straight tube and 90_ curved tubeare supplied to simplify any application (1/2 in. /12.7 mm OD copper).

IMPORTANT: For internal drains installedin the plastic wall sleeve, the drain must beinstalled on the flat area of the sleeve. Itcannot be installed in the wafer area.

A07748

Drain Kit

Replacement FiltersPart No.: 52M--AIRFILT--10PKThe Carrier 52M model replacement air filters comein packages of 10. The filters save energy bypreventing the evaporator coils from being pluggedwith dirt and lint. These economical and sturdy filtersare interchangeable and may be washed, vacuumed,and reused.

A07749

Replacement FIlters

Baffle KitPart No.: BAFFLE--KIT--1PKthe accessory baffle kit ensures a good seal betweenthe unit and the exterior grille to prevent airrecirculation, which can cause system failure. Theaccessory baffle kit is required for applications whereaCarrier wall sleeve is usedwithout a Carrier exteriorgrille.

A07275

Baffle Kit52M

24

DIMENSIONAL DRAWINGS AND INSTALLATION DATA -- NEWCONSTRUCTIONProper building practices must be used whenconstructing a wall opening to support a PTAC wallsleeve and chassis.

If practices are unknown, consult your local architector building contractor. Installed wall sleeve must belevel from side to side and front to back.

COOLING & ELECTRIC HEAT

Model No. Power Cord OptionsVoltageRange

Approx. Ship Weightlb (kg)

Approx. OperatingWeight lb (kg)

52ME---U07--- --- ---3 15 or 20 Amp cordonly*

187 --- 253

125 (56.7) 105 (47.6)52ME---U09--- --- ---3 125 (56.7) 105 (47.6)52ME---U12--- --- ---3 15, 20 or 30 Amp cord

only*140 (63.5) 120 (54.4)

52ME---U15--- --- ---3 150 (68.0) 130 (59.0)52ME---U07--- --- ---4 15 or 20 Amp cord

only*239---292

125 (56.7) 105 (47.6)52ME---U09--- --- ---4 125 (56.7) 105 (47.6)52ME---U12--- --- ---4

15, 20 or 30 Amp cord.*140 (63.5) 120 (54.4)

52ME---U15--- --- ---4 150 (68.0) 130 (59.0)

HEAT PUMPS

Model No.Power Cord Options

Voltage RangeApprox. Ship Weight

lb (kg)Approx. Operating Weight

lb (kg)52MQ---U07--- --- ---3

15 or 20 Amp cord only*187---253

125 (56.7) 105 (47.6)52MQ---U09--- --- ---3 125 (56.7) 105 (47.6)52MQ---U12--- --- ---3 15, 20 or 30 Amp cord only* 140 (63.5) 120 (54.4)52MQ---U07--- --- ---4

15 or 20 Amp cord only*239---292

125 (56.7) 105 (47.6)52MQ---U09--- --- ---4 125 (56.7) 105 (47.6)52MQ---U12--- --- ---4 15, 20 or 30 Amp cord.* 140 (63.5) 120 (54.4)

* See Power Cord Selection chart for heating capacity rating. Using 30 AMP cords on U07 and U09 models could result in damage to unit.

A08357 A08386

52M

25

DIMENSIONAL DRAWINGS AND INSTALLATION DATACONTINUED

VOLTAGE CURRENT DIMENSIONS --- Inches (mm) PLUG TYPE

VOLTS AMPS XY Z

NEMA PLUG NEMARECEPTACLE

SUPPLIER 1 SUPPLIER 2 SUPPLIER 1 SUPPLIER 2

208/230 15 58 (1473) 2.36 (60) 2.44 (62) 3.35 (85) 4 (101) 6---15P 6---15R

208/230 20 58 (1473) 2.36 (60) 2.44 (62) 3.35 (85) 4 (101) 6---20P 6---20R

208/230 30 58 (1473) 2.55 (65) 4 (101) 2.63 (67) 3.8 (96) 6---30P 6---30R

265 15 15 (381) 1.5 (38.2) 1.46 (37.3) 7---15P 7---15R

265 20 15 (381) 2 (50)2.48 (63.2)

7---20P 7---20R

265 30 15 (381) 2.41 (61.3) 7---30P 7---30R

42"(1067)

`ACCESSORYWALL SLEEVE

HINGED CONTROLACCESS DOOR

DISCHARGEGRILLE

REMOVABLEFRONT PANEL

Y

Z

X

208/230VAccessory Service Cord

A08388

Front View

A07379A

Side View

52M

26

DIMENSIONAL DRAWINGS AND INSTALLATION DATA --NEW CONSTRUCTION (CONT.)WALL SLEEVE MOUNTING DIMENSIONS FOR STANDARD AND ACCESSORY GRILLES

42”(1067 mm)

16”(406 mm)

14-7/8”(378 mm)

A07633

Standard Polymer Non--Insulated Wall SleeveStandard Polymer Insulated Wall Sleeve

42 in(1067)

16 in(406)


A07381

Standard and Extended Metal Insulated WallSleeve

MAIN STUD

JACK STUD

CRIPPLE

FLOOR

SUB-FLOOR

42 1/8”

16 1/4”

JACK STUDS

HEADER - 4” X 4” (101.6 X 101.6) OR

(2) 2” X 4” (50.8 X 101.6)

(412.8)

(1070.0)

MEASUREMENTS IN ( ) = mm

A07382

Framing and Minimum Wall Sleeve Opening

SIDE

5/8" MIN.(15.9)

1/2" (12.7) MINIMUM

STAMPED OUTDOOR GRILLE

SIDE

5/8" MIN.(15.9)

1/2" (12.7) MINIMUMARCHITECTURAL GRILLE

STANDARD MOUNTALUMINUM OR PLASTICStamped grille thickness 0.75" (9.4)

Architectural grille thickness 1.25" (32)NOTE: Dimensions in ( ) are in millimeters

A07383A

Wall Sleeve Mounting (All Models)

52M

27

TYPICAL WALL INSTALLATION

5/8”

(15.9 mm)

A07384

Typical Wall Sleeve Installation

NOTES:1. Sleeve may be flush mounted to floor, but frontpanel may have to be notched to accommodateservice cord.

2. If more than 4 in. (101.6 mm) of sleeve projectsinto room, an accessory subbase must be usedfor support.

3. For walls 2 in. (50.8 mm) thick or less, anaccessory subbase must be used for support.

4. Caulk around sleeve on both indoor and outdoorsides.

MINIMUM 3-1/4” (82.6 mm)

ABOVE FLOOR COVERING

IF SUBBASE IS USED

A07385

Typical Curtain Wall Installation (All Models)

52M

A0738652M Indoor and Outdoor Discharge AirCirculation

36" (914.4 mm) MINIMUM DISTANCE FROMSLEEVE TO BUILDING WALLS,

SHRUBS, etc.

15” (381.0 mm) MINIMUM DISTANCE FROMFRONT PANEL TO OBJECTS IN ROOM

28

DIMENSIONAL DRAWINGS AND INSTALLATION --NEW CONSTRUCTION (CONT.)

MINIMUM CLEARANCE FOR INDOOR AND OUTDOOR DISCHARGE AIR

EQUIPMENT OPERATION HAZARD

Failure to follow this caution may result in equipmentdamage or improper operation.Blocking indoor or outdoor discharge air could causepremature failure of unit.

CAUTION!

2 3/8”(60.3)

GRILLEMOUNTINGHOLES

WALL SLEEVE-(2)DRAIN LOCATIONS CONDENSATE

OVERFLOWHOLES

2 3/8”(60.3)

OUTDOOR VIEW

(OUTSIDE)

WALL SLEEVE

GRILLEMOUNTINGHOLES

A07387

Back of Polymer Wall Sleeve

52M

29

DIMENSIONAL DRAWINGS AND INSTALLATION DATA --NEW CONSTRUCTION (CONT.)

52M WITH SUBBASE

0’-0 7/8”(22)

SUBBASE ACCESS COVERS

0’-3 1/4” MIN. (83)0’-5 1/2” MAX. (140)

OUTSIDEWALL

SIDE

SUBBASE LEVELING BOLTS

ACCESSORY DRAIN(EXTERNAL OR INTERNAL)

SEENOTES

(3) 1 1/8” (28.6) DIA.KNOCKOUTS

19 1/2”(495.3)

17”(431.8)

1 9/16”(39.7)

(3) 7/8” (22.2)DIA. KNOCKOUTS

REAR VIEWACCESSORY SUBBASE

ELECTRICAL CONNECTIONS

NOTES:1. Accessory subbase is required for applications where:

- Wall sleeve extends 4 inches (101.6 mm) or more into the room.- Wall thickness is less than 2 inches (50.8 mm).- All 265-v cord-connected applications.

2. For all applications with an accessory subbase:-- Refer to wall sleeve installation instructions.

Wall sleeve must extend 4 in. (101.6 mm) into the room and 3-1/4 in. (82.6 mm)minimum above the floorSubbase height is adjustable from 3-1/4 in. (82.6 mm) to 5-1/2 in. (139.7 mm) maximum above floor (including carpeting).

A07389

52M

30

WALL THERMOSTAT CONNECTIONS

R

Y

GH

GL

C

W

O

Common

Energy

Management

(24VAC in)

TYPICAL WALL THERMOSTAT

TERMINAL BLOCK

See Note 1

See Note 2

NOTES:

1. Use terminal "O" for heat pump connection only.

2. Terminal "C" (common) is typically only required for digital thermostats.

A07059

Control Box Wire Terminal forWall Thermostat Models

R W Y O Gh Gl C

A07073

Terminal Connector Removal and Replacement

Wall Thermostat


Energy Management


A07634


THERMOSTAT WIRE ROUTING

(UNDER SLEEVE, BEHIND FRONT PANEL)

A07074

Terminal Wire Routing

NOTE: Thermostat wire is field supplied. Recommended wire gage is 18to 20 gage solid thermostat wire. Thermostat wire should always be routedaround or under, NEVER through, the wall sleeve. The wire should thenbe routed behind the front panel to the easily accessible terminalconnector.

52M

31

PERFORMANCE AND ELECTRICAL DATA

MODEL 52MQ (208/230--1--60)

MODELNUMBER52MQ

CAPACITY*

EER COP}VOLTAGERANGE

COOLING

CoolingBtuh (WH)

HeatingAMPS WATTSRev. Cyc.

BtuH (WH) Electric†

U07--- --- ---3 7,000 / 7,000(2,051 / 2,051)

6,500 / 6,600(1,910 / 1,934) 15 or 20 Amp

cord only

12.2 / 12.3 3.5 / 3.4

187 --- 253

3.0 / 2.8 574 / 569

U09--- --- ---3 8,800 / 9,000(2,579 / 2,638)

8,300 / 8,350(2,433 / 2,447) 10.5 / 10.5 3.4 / 3.3 4.1 / 3.9 840 / 860

U12--- --- ---3 12,000 / 12,000(3,517 / 3,517)

10,700 / 10,900(3,136 / 3,195)

15, 20 or 30Amp cord 11.1 / 11 .1 3.4 / 3.3 5.1 / 4.8 1,080 / 1,090

MODELNUMBER52MQ

POWERFACTOR(%)

FAN MOTORR---22CHARGEOZ. (g)

MAXDEHUM.Pint/Hr(L/Hr)

SENSIBLEHEATFACTOR

APPROX.CHASSISSHIP WT.lb (kg)

IndoorMotor HP (W)

Indoor MotorFull Load Amps

Outdoor MotorHP (W)

OutdoorMotorFull LoadAmps

U07--- --- ---3 100 0.024 (17.9) 0.1 0.054 (40.3) 0.4 21.9(620)

2.0(0.95) 0.73 125

(56.7)

U09--- --- ---3 100 0.029 (21.6) 0.2 0.088 (65.6) 0.6 28.9(820)

2.1(1.00) 0.76 125

(56.7)

U12--- --- ---3 100 0.029 (21.6) 0.2 0.088 (65.6) 0.6 36.7(1040)

3.7(1.75) 0.68 140

(63.5)

LEGENDEER — Energy Efficiency Ratio* Rated in accordance with ARI Standard 380-93.† See power cord selection guide below for electric heating capacity rating. Using 30 Amp cords on U07 and U09 models could result in damage to unit.} Coefficient of Performance (COP) at 47_F (8.3_C) outdoor ambient temperature.

POWER CORD SELECTION GUIDE52M PTACs are not individually equipped with a power cord, so one must be ordered separatelybased on the voltage and amperage of your electrical circuit. If the unit is to be plugged into areceptacle, then a line cord connection kit needs to be selected. If it will be permanently connected, ahardwire connection must be used.

Model No. Voltage ReceptacleType

Heating(BTUH)

Heater(Kw)

Input Power(WH)

Current(Amps)

Branch CircuitFull Amps


208/230V

15 amp /250 5630 / 6950 1.6 / 2.0 1650 / 2036 8.0 / 8.9 15

PWRCORD---230V---20A 20 amp /250 8550 / 10390 2.5 / 3.0 2507/ 3045 12.2 / 13.2 20

PWRCORD---230V---30A 30 amp /250 13780 / 16990 4.0 / 5.0 4037 / 4978 20.5 / 21.5 30

RECEPTACLE AND FUSE TYPESUNIT NAMEPLATE VOLTAGE 230/208

OUTLET RATED VOLTS/AMPS 250/15 250/20 250/30

OUTLET BLADE CONFIGURATION

RECEPTACLE TYPE A B C

NEMA CONFIGURATION 6---15R 6---20R 6---30R

TIME DELAY FUSE OR CIRCUIT BREAKER (AMPS) 15 20* 30

NOMINAL HEATER SIZE 1.6 / 2.0 KW 2.5 / 3.0 KW 4.0 / 5.0 KW

LEGENDNEMA --- National Electrical Manufacturers Association* May be used for 15---amp applications if fused for 15 amps.

52M

32

PERFORMANCE AND ELECTRICAL DATA (CONT.)

MODEL 52MQ (265--1--60)

MODELNUMBER52MQ

CAPACITY*

EER COP}VOLTAGERANGE

COOLING

CoolingBtuh (WH)

HeatingAMPS WATTSRev. Cyc.

Btuh (WH) Electric†

U07--- --- ---4 7,000 (2,051) 6,400 (1,876) 15 or 20 Ampcord only

12.4 3.4

239 --- 292

2.4 565

U09--- --- ---4 9,000 (2,638) 8,400 (2,462) 10.9 3.5 3.2 825

U12--- --- ---4 11,400 (3,341) 10,600 (3,107) 15, 20 or 30Amp cord 10.8 3.0 4.2 1,050

MODELNUMBER52MQ

POWERFACTOR(%)

FAN MOTORR---22CHARGEOZ (g)

DEHUM.Pint/Hr(L/Hr)

SENSIBLEHEATFACTOR


IndoorMotor HP(W)

Indoor FanMotor FullLoad Amps

OutdoorMotor HP(W)

OutdoorMotor FullLoad Amps

U07--- --- ---4 100 0.024 (17.9) 0.2 0.05 (37.3) 0.3 23.3 (660) 1.9 (0.40) 0.76 125 (56.7)

U09--- --- ---4 97 0.029 (21.6) 0.2 0.06 (44.7) 0.4 29.6 (840) 2.7 (1.28) 0.7 125 (56.7)

U12--- --- ---4 98 0.029 (21.6) 0.2 0.06 (44.7) 0.4 37.4 (1,060) 4.3 (2.04) 0.66 140 (63.5)

LEGENDEER — Energy Efficiency Ratio* Rated in accordance with ARI Standard 380-93.† See power cord selection guide below for electric heating capacity rating. Using 30 Amp cords on U07 and U09 models could result in damage to unit.} Coefficient of Performance (COP) at 47_F (8.3_C) outdoor ambient temperature.


Model No. Voltage Receptacle Type Heating (BTUH) Heater(Kw)

InputPower(WH)

Current(Amps)

BranchCircuitFull Amps


265V

15 amp / 277 6820 2.0 2000 8.9 15

PWRCORD---265V---20A 20 amp / 277 10470 3.0 3068 13.2 20

PWRCORD---265V---30A 30 amp / 277 17110 5.0 5015 21.5 30NOTE: In compliance with UL, and the National Electrical Code, 265V units installed with a power cord require the use use of a 265V electrical subbase.

RECEPTACLE AND FUSE TYPESUNIT NAMEPLATE VOLTAGE 265





TIME DELAY FUSE OR CIRCUIT BREAKER (AMPS) 15 20 30

NOMINAL HEATER SIZE 2.0 KW 3.0 KW 5.0 KW

LEGENDNEMA --- National Electrical Manufacturers Association

52M

33


MODEL 52ME (208/230--1--60)

MODELNUMBER52ME

CAPACITY*

EER COP VOLTAGERANGE

COOLING

CoolingBtuh (WH)

HeatingAMPS WATTS

Rev. Cyc. Electric†

U07--- --- ---3 7,000 / 7,000(2,051 / 2,051) ---

15 or 20 Ampcord only

12.5 / 12.4 ---

187 --- 253

3.0 / 2.8 560 / 565

U09--- --- ---3 8,800 / 9,000(2,579 / 2,638) --- 11.4 / 11.4 --- 3.9 / 3.7 770 / 790

U12--- --- ---3 12,000 / 12,100(3,517 / 3,546) ---

15, 20 or 30Amp cord

11.4 / 11.5 --- 5.0 / 4.7 1,050 / 1,050

U15--- --- ---3 14,600 / 14,800(4,279 / 4,338) --- 9.7 / 9.8 --- 7.6 / 6.6 1,505 / 1,510

MODELNUMBER52ME

POWERFACTOR(%)


MAXDEHUM.Pint/Hr(L/Hr)

SENSIBLEHEATFACTOR


IndoorMotor HP}(W)

Indoor Mo-tor Full

Load Amps

OutdoorMotor HP(W)


U07--- --- ---3 96 0.024 (17.9) 0.1 0.054 (40.3) 0.4 21.9 (620) 1.7 (0.80) 0.79 125 (56.7)

U09--- --- ---3 98 0.029 (21.6) 0.2 0.088 (65.6) 0.6 28.9 (820) 2.9 (1.37) 0.73 125 (56.7)

U12--- --- ---3 100 0.029 (21.6) 0.2 0.088 (65.6) 0.6 36.0 (1,020) 3.9 (1.85) 0.71 140 (63.5)

U15--- --- ---3 99 0.031 (23.1) 0.2 0.088 (65.6) 0.6 34.6 (980) 5.4 (2.56) 0.63 150 (68.0)

LEGENDEER — Energy Efficiency Ratio* Rated in accordance with ARI Standard 380-93.† See power cord selection guide below for electric heating capacity rating. Using 30 Amp cords on U07 and U09 models could result in damage to unit.} Fan motor indoor CFM (LO/HI) shown for 230-1-60 units.


Model No. Voltage ReceptacleType

Heating(BTUH) Heater (Kw) Input Power

(WH)Current(Amps)

BranchCircuit FullAmps


208/230V

15 amp /250 5,630 / 6,950 1.6 / 2.0 1,650 / 2,036 8.0 / 8.9 15

PWRCORD---230V---20A 20 amp /250 8,550 / 10,390 2.5 / 3.0 2,507/ 3,045 12.2 / 13.2 20

PWRCORD---230V---30A 30 amp /250 13,780 / 16,990 4.0 / 5.0 4,037 / 4,978 20.5 / 21.5 30

RECEPTACLE AND FUSE TYPESUNIT NAMEPLATE VOLTAGE 208/230





TIME DELAY FUSE OR CIRCUIT BREAKER (AMPS) 15 20* 30

NOMINAL HEATER SIZE 1.6 / 2.0 KW 2.5 / 3.0 KW 4.0 / 5.0 KW

LEGENDNEMA --- National Electrical Manufacturers Association* May be used for 15---amp applications if fused for 15 amps.

52M

34


MODEL 52ME (265--1--60)

MODELNUMBER52ME

CAPACITY*

EER COP VOLTAGERANGE

COOLING

CoolingBtuh (WH)

HeatingAMPS WATTS

Rev. Cyc. Electric†

U07--- --- ---4 7,000 (2,051) --- 15 or 20 AMP cordonly

12.4 ---

239 --- 292

2.4 565

U09--- --- ---4 9,100 (2,667) --- 11.7 --- 3.3 790

U12--- --- ---4 12,100 (3,546) ---15, 20, or 30 AMPcord

11.5 --- 4.35 1,050

U15--- --- ---4 15,000 (4,936) --- 10.0 --- 239 --- 292 5.9 1,500

MODELNUMBER52ME

POWERFACTOR(%)


DEHUM.Pint/Hr(L/Hr)

SENSIBLEHEATFACTOR


IndoorMotor HP}(W)

Indoor FanMotor FullLoad Amps

OutdoorMotor HP(W)


U07--- --- ---4 100 0.024 (17.9) 0.2 0.054 (40.3) 0.3 23.3 (660) 1.6 (0.76) 0.80 125 (56.7)

U09--- --- ---4 98 0.029 (21.6) 0.2 0.06 (44.7) 0.4 28.9 (820) 2.7 (1.28) 0.72 125 (56.7)

U12--- --- ---4 100 0.029 (21.6) 0.2 0.06 (44.7) 0.4 36.7 (1040) 4.3 (2.03) 0.69 140 (63.5)

U15--- --- ---4 97 0.031 (23.1) 0.2 0.06 (44.7) 0.35 34.6 (980) 5.0 (2.37) 0.66 150 (68.0)

LEGENDEER — Energy Efficiency Ratio* Rated in accordance with ARI Standard 380-93.† See power cord selection guide below for electric heating capacity rating. Using 30 Amp cords on U07 and U09 models could result in damage to unit.} Fan motor indoor CFM (LO/HI) shown for 230-1-60 units.


Model No. Voltage Receptacle Type Heating(BTUH) Heater (Kw) Input Power

(WH)Current(Amps)

BranchCircuit FullAmps


265V

15 amp / 277 6,820 2.0 2,000 8.9 15

PWRCORD---265V---20A 20 amp / 277 10,470 3.0 3,068 13.2 20

PWRCORD---265V---30A 30 amp / 277 17,110 5.0 5,015 21.5 30

NOTE: In compliance with UL, and the National Electrical Code, 265V units installed with a power cord require the use use of a 265V electrical subbase.

RECEPTACLE AND FUSE TYPESUNIT NAMEPLATE VOLTAGE 265





TIME DELAY FUSE OR CIRCUIT BREAKER (AMPS) 15 20 30

NOMINAL HEATER SIZE 2.0 KW 3.0 KW 5.0 KW

LEGENDNEMA --- National Electrical Manufacturers Association

52M

35

CFM CHART52M CFM CHART

Model VoltageDry CFM* Wet CFM*

Low Medium High Low Medium High

52ME/Q---U073208 265 290 315 235 260 290

230 295 320 345 275 290 300

52ME/Q---U074 265 295 320 345 275 290 300

52ME/Q---U093208 270 305 345 240 280 305

230 300 330 360 270 300 320

52ME/Q---U094 265 300 330 360 270 300 320

52ME/Q---U123208 280 310 350 250 280 310

230 310 330 360 280 300 320

52ME/Q---U124 265 310 330 360 280 300 320

52ME/Q---U153208 290 330 375 275 305 315

230 320 360 385 300 315 320

52ME/Q---U154 265 320 360 385 300 315 320

* Dry = Heat Mode or Fan Only Mode --- Indoor Standard CFMWet = Cool Mode --- Indoor Standard CFM

52M

36

52MINDOORSO

UNDPOWERDATA

IndoorSoundEstimatingTable(dBAandBELS)

Operat-

ing

Mode

Volts

NOMINALSIZES(dBA)

NOMINALSIZES(BELS)

52MQ

52ME

52MQ

52ME

7000

9000

12000

15000

7000

9000

12000

15000

7000

9000

12000

15000

7000

9000

12000

15000

Low

Cool

208

55.2

NA

NA

NA

55.6

NA

NA

61.0

5.5

NA

NA

NA

5.6

NA

NA

6.1

230

56.5

60.2

60.7

NA

57.1

60.9

61.8

62.0

5.7

6.0

6.1

NA

5.7

6.1

6.2

6.2

265

60.7

57.9

59.9

NA

57.6

61.6

61.7

61.2

6.1

5.8

6.0

NA

5.8

6.2

6.2

6.1

Medium

Cool

208

55.4

NA

NA

NA

55.9

NA

NA

61.8

5.5

NA

NA

NA

5.6

NA

NA

6.2

230

56.8

60.6

60.8

NA

57.3

60.7

61.8

62.3

5.7

6.1

6.1

NA

5.7

6.1

6.2

6.2

265

60.9

58.7

60.3

NA

57.9

62.0

62.4

61.9

6.1

5.9

6.0

NA

5.8

6.2

6.2

6.2

High

Cool

208

55.9

NA

NA

NA

55.9

NA

NA

62.3

5.6

NA

NA

NA

5.6

NA

NA

6.2

230

57.6

61.1

61.2

NA

57.8

61.2

61.9

62.7

5.8

6.1

6.1

NA

5.8

6.1

6.2

6.3

265

61.1

59.5

61.2

NA

58.3

62.3

62.8

62.9

6.1

5.9

6.1

NA

5.8

6.2

6.3

6.3

LowFan

208

46.9

NA

NA

NA

47.4

NA

NA

54.7

4.7

NA

NA

NA

4.7

NA

NA

5.5

230

49.9

53.3

55.4

NA

49.0

53.4

54.5

57.7

5.0

5.3

5.5

NA

4.9

5.3

5.5

5.8

265

51.1

51.4

53.6

NA

51.9

51.9

53.5

56.6

5.1

5.1

5.4

NA

5.2

5.2

5.4

5.7

Medium

Fan

208

49.3

NA

NA

NA

50.2

NA

NA

57.4

4.9

NA

NA

NA

5.0

NA

NA

5.7

230

52.1

54.3

56.0

NA

51.2

54.6

55.8

59.1

5.2

5.4

5.6

NA

5.1

5.5

5.6

5.9

265

52.7

53.9

55.6

NA

53.5

55.1

55.6

58.0

5.3

5.4

5.6

NA

5.4

5.5

5.6

5.8

HighFan

208

51.3

NA

NA

NA

51.9

NA

NA

59.4

5.1

NA

NA

NA

5.2

NA

NA

5.9

230

53.6

55.7

57.3

NA

53.2

55.9

56.7

60.4

5.4

5.6

5.7

NA

5.3

5.6

5.7

6.0

265

54.1

55.6

57.1

NA

54.4

56.3

57.4

60.2

5.4

5.6

5.7

NA

5.4

5.6

5.7

6.0

Low

Heat

208

55.3

NA

NA

NA

51.9

NA

NA

56.2

5.5

NA

NA

NA

5.2

NA

NA

5.6

230

56.6

61.4

61.1

NA

55.5

54.6

56.0

58.8

5.7

6.1

6.1

NA

5.6

5.5

5.6

5.9

265

59.0

62.2

60.7

NA

52.6

53.2

53.5

57.0

5.9

6.2

6.1

NA

5.3

5.3

5.4

5.7

Medium

Heat

208

55.2

NA

NA

NA

54.2

NA

NA

57.9

5.5

NA

NA

NA

5.4

NA

NA

5.8

230

56.7

61.2

61.1

NA

55.6

55.9

57.1

59.7

5.7

6.1

6.1

NA

5.6

5.6

5.7

6.0

265

59.8

62.5

60.9

NA

53.6

55.8

55.6

58.4

6.0

6.3

6.1

NA

5.4

5.6

5.6

5.8

High

Heat

208

55.8

NA

NA

NA

54.6

NA

NA

59.7

5.6

NA

NA

NA

5.5

NA

NA

6.0

230

57.5

61.8

61.5

NA

55.8

56.6

57.4

60.8

5.8

6.2

6.2

NA

5.6

5.7

5.7

6.1

265

60.2

62.7

61.5

NA

55.0

57.2

57.9

60.4

6.0

6.3

6.2

NA

5.5

5.7

5.8

6.0

Seenotesonpage36

52M

37

52MOUTDOORSO

UNDPOWERDATA

OutdoorSoundEstimatingTable(dBAandBELS)

Operating

Mode

Volts

NOMINALSIZES(dBA)

NOMINALSIZES(BELS)

52MQ

52ME

52MQ

52ME

7000

9000

12000

15000

7000

9000

12000

15000

7000

9000

12000

15000

7000

9000

12000

15000

LowCool

208

67.4

NA

NA

NA

68.0

NA

NA

72.0

6.7

NA

NA

NA

6.8

NA

NA

7.2

230

69.3

71.3

72.0

NA

69.6

71.3

72.4

73.1

6.9

7.1

7.2

NA

7.0

7.1

7.2

7.3

265

69.9

70.7

72.9

NA

69.4

72.2

72.5

73.3

7.0

7.1

7.3

NA

6.9

7.2

7.3

7.3

Medium

Cool

208

67.4

NA

NA

NA

68.0

NA

NA

72.0

6.7

NA

NA

NA

6.8

NA

NA

7.2

230

69.3

71.3

72.0

NA

69.6

71.3

72.4

73.1

6.9

7.1

7.2

NA

7.0

7.1

7.2

7.3

265

69.9

70.7

72.9

NA

69.4

72.2

72.5

73.3

7.0

7.1

7.3

NA

6.9

7.2

7.3

7.3

HighCool

208

67.4

NA

NA

NA

68.0

NA

NA

72.0

6.7

NA

NA

NA

6.8

NA

NA

7.2

230

69.3

71.3

72.0

NA

69.6

71.3

72.4

73.1

6.9

7.1

7.2

NA

7.0

7.1

7.2

7.3

265

69.9

70.7

72.9

NA

69.4

72.2

72.5

73.3

7.0

7.1

7.3

NA

6.9

7.2

7.3

7.3

LowHeat

208

67.8

NA

NA

NA

------------

------------

------------

------------

6.8

NA

NA

NA

------------

------------

------------

------------

230

70.2

72.4

72.7

NA

------------

------------

------------

------------

7.0

7.2

7.3

NA

------------

------------

------------

------------

265

70.6

71.7

73.2

NA

------------

------------

------------

------------

7.1

7.2

7.3

NA

------------

------------

------------

------------

Medium

Heat

208

67.8

NA

NA

NA

------------

------------

------------

------------

6.8

NA

NA

NA

------------

------------

------------

------------

230

70.2

72.4

72.7

NA

------------

------------

------------

------------

7.0

7.2

7.3

NA

------------

------------

------------

------------

265

70.6

71.7

73.2

NA

------------

------------

------------

------------

7.1

7.2

7.3

NA

------------

------------

------------

------------

HighHeat

208

67.8

NA

NA

NA

------------

------------

------------

------------

6.8

NA

NA

NA

------------

------------

------------

------------

230

70.2

72.4

72.7

NA

------------

------------

------------

------------

7.0

7.2

7.3

NA

------------

------------

------------

------------

265

70.6

71.7

73.2

NA

------------

------------

------------

------------

7.1

7.2

7.3

NA

------------

------------

------------

------------

SoundTransmissionCoefficient(STC)=23

NOTES:

1.Thetablesaboveindicatetheapproximateindoorandoutdoorsoundlevelsofa52Munit.

TestswereconductedintheCarrierSoundTestingLaboratoryaccordingtoAHRI(AirConditioning,HeatingandRefrigerationInstitute)NoiseRatingStandard300fornon---ductedindoorairconditioningequipment.

2.NA=NotAvailable

52M

38

52MWIRINGSC

HEMATIC

A08389

52M

39

TYPICAL WIRING SCHEMATIC FOR ENERGYMANAGEMENT INTERFACE

FRONT DESK SWITCH PANEL

24-VTRANSFORMER

(SEE NOTE 1)

PTAC #1 PTAC #2 PTAC #N

ROOM 100 ROOM 101 ROOM N

B W B W B W

FIELD-SUPPLIED

LEGEND

NOTES:1. To size transformer, use the following equation:

Quantity of PTAC units x 12 va = Transformer Size (va)Example: 110 PTAC Units x 12 va = 1320 va Transformer

2. Following are recommended wire sizes:AWG WIRE SIZE NO. MAXIMUM LENGTH ft (m)

24 400 (121.9)22 600 (182.9)20 900 (274.3)18 1500 (457.2)16 2000 (609.6)

AWG --- American Wire GageB --- BlackPTAC --- Packaged Terminal Air ConditionerW --- White

A07390

52M

40

TYPICAL WIRING SCHEMATIC FORMULTIPLE PTAC UNITSCONNECTED TO A SINGLE WALL THERMOSTAT

R

Y

W

G

O

C

R

Y

W

G

O

C

R

Y

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T’STATMASTERPTAC

UNIT 1

UNIT 2

UNIT 3

1. Do not daisy chain R (24 VAC).2. Maximum of 4 PTAC units can be connected to one single wall

thermostat.3. Wall thermostat wire is field-supplied and should be 18 to

20 gage solid thermostat wire.A07391

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PACKAGED TERMINAL COOLING UNITWITH HEAT PUMP OR ELECTRIC HEATINGHVAC Guide SpecificationsSize Range:Cooling: 7,000to 15,000 Btuh (2051 to 4396 WH)Electrical Heating:5,600 to 17,700 Btuh (1641 to5187 WH)Heat Pump: 6,400 to 13,500 Btuh (1876 to 3956WH)

Carrier Model Numbers:52ME Performance Series, Cooling with ElectricHeat52MQ Performance Series, Heat Pump with ElectricHeat

Part 1 — System DescriptionPackaged Terminal Air Conditioners shall be of thesizes and capacities as shown on the contract drawingschedule and in the specifications.System shall be tested to insure no water infiltrationinto the room, when tested at eight inches of rain perhour with 40 mph (64.4 KPh) wind.The complete system shall consist of the following:A. Packaged Terminal Heat Pump or Heat/CoolChassis : See section 2 -- Chassis Description

B. Power Cord OR Hardwire Kit shall provide thepower connection to the unit.

C. Insulated Polymer Wall Sleeve shall provideexcellent thermal insulation, be textured to hidescratches and prevent shine, will have superioroutdoor noise absorption and shall be corrosionfree for the life of the product. The Wall Sleevemust have dimensions of 42” (1067 mm) width x16“ (406 mm) height x 14--7/8” (377.8 mm) depthand be shipped with a rear weather barrierinstalled.

D.Wall Sleeve Molding shall trim the wall sleeve tothe existing wall, to hide wall imperfections andirregularities due to the sleeve opening.

E. Outdoor Polymer Louvered Grille shall resistcorrosion, breakage and match the color specifiedon drawing schedule and specifications.

F. Subbase will support the wall sleeve when itextends into the room more than 4“ (101.6 mm).Subbase must come from the factorypre--assembled, with a built in receptacle (size asspecified on drawing schedule andspecifications).

Part 2 — Chassis Description2.1 General:The chassis shall be a factory--assembled,single--piece heating and/or cooling unit, that issimple to install and operate. Just slide the chassisinto a wall sleeve, plug it into an outlet, and operateafter installation. The chassis dimensions shall notexceed 42” (1067 mm) wide and 16“ (406 mm) highwith room cabinet in place. The chassis shall consistof the following functional sections and components:A.Certifications:System shall be approved and certified by UL &UL, Canada. Chassis capacity and efficiencyperformance shall be certified in accordance withARI standard 310/380. Chassis shall meetASHRAE Standard 90.1 for minimum energyefficiency.

B. Operating Characteristics:Chassis shall be capable of starting and running at115_F (46.1_C) ambient outdoor temperature permaximum load criteria of ARI Standard 310/380.

C. Electrical:The accessory power cord or hardwire kit for theunit will be ordered separately. The power cordaccessory will be 58“ (1473 mm) for 208/230vmodels or 15“ (381 mm) for 265v models. TheHardwire kit accessory will provide 36” (914 mm)of flexible conduit. The chassis current draw shallbe specified on the chassis nameplate and matchelectrical requirements specified on the Contractdrawing schedule and specifications.The power cord plug configuration shall conformto NEMA standards and the rating shall supportthe current draw of the electric resistance heater.For 265v installations, UL codes require the use ofan electrical equipped subbase for power cordusage or hardwire conduit for non--cordedinstallations.

D. Safeties:Compressor shall have automatic reset, overtemperature and over current protection. The fanmotors shall have an inherent, automatic resetover temperature protection. The electric heatershall have two over temperature protectors.

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E. Air Flow System:For superior sound and comfort, the airflowsystem shall consist of two, direct--drivepermanently lubricated fan motors. The outdoorfan motor will be single speed, with a dynamicallybalanced, corrosion resistant, aluminummulti--blade axial flow design, with integratedslinger ring. The indoor fan motor will be threespeeds, with a dynamically balanced, aluminum,tangential blower wheel, to assure uniform airdistribution and optimal sound. Both Fan Motorsshall be of an enclosed design to reduce the effectsof moisture and corrosion.

F. Compressor & Refrigerant:The rotary--type Compressor shall be fullyhermetic with internal and external vibrationisolation. The refrigeration system will be sealedand contain a full refrigerant charge (R--22).

G.Coils:Condenser and evaporator coils to be constructedof high--efficiency copper tubing, necessary toachieve EER and COP rating, as specified on thechassis name plate.

H. Factory--Installed Electric Heater:The factory--installed, open coil type, electricheater is standard in heat/cool and heat pumpchassis. The electric heater shall contain both anautomatic reset and a one--shot over temperatureprotection device. The heating capacity of theelectric heater shall be as identified on theContract drawing schedule and in thespecifications.

I. Controls:All standard models shall be equipped withelectronics, for added features and improvedreliability of the unit.

The chassis shall have an easy to operate, userfriendly, electronic display with simple to push,large digital buttons. All will be easily accessibleand covered by a hinged door.

The mode selection control shall consist of OFF,FAN ONLY, HEAT or COOL operations. Therewill be 3 optional Fan Speed Options, LOW,MED or HIGH. The temperature selection will becontrolled by color coded, simple to operatewarmer and cooler buttons. The upper and lowersetpoint temperature limits, can be easilyconfigured.

All models shall have a configuration dipswitch,easily accessible for the maintenance person,optimal comfort settings, CONTINUOUS orCYCLE fan mode in HEATING, CONTINUOUSor CYCLE fan mode in COOLING, FREEZE

GUARD enabled or disabled, WALLTHERMOSTAT enabled or disabled,EMERGENCY HEAT (for heatpumps), and 4optional SETPOINT LIMIT selections.

Fan cycle configuration switches, will allowcontinuous fan operation for maximum comfort orcycle operation for maximum energy savings.Settings can be different for both heating andcooling operations, for maximum comfort andefficiency.

All standard models shall have TemperatureLimiting control, with four easy to configuresettings. Temperature limiting allows a roomtemperature range to be set, to avoid extremetemperature settings, to maximize energy savings.

Emergency Heat Switch (Heat Pump ModelsOnly) shall disable the compressor in heatingmode and only allow the use of electric heatduring heating cycles. The Emergency Heat switchis active at all outdoor ambient temperatures.

All units shall be capable of interfacing to a wallthermostat; have a blank out label to cover thecontrol panel for wall thermostat applications;and have a removable wall thermostat terminalblock, to simplify field wiring. No additionalfield--installed kits shall be required.

Wall thermostat interface shall provide two fanspeed selections to maximize comfort.

Compatible with 2 wire central desk controlsystems.

Freeze Guard to automatically activate the electricheater and indoor fan to warm the room, toprevent damage from freezing temperatures.Freeze guard will be active as long as there ispower supplied to the unit. Unit shall have theability to disable Freeze guard, if needed.

Unit shall have the option to display temperaturein _F or _C.

Unit will have memory; in case power is lost, unitwill return to all previous settings.

Unit will have a random compressor restart after apower outage, to prevent power surges due tomany units turning on at the same time.

Room temperature sensing shall use a Solid statethermostat control.

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J. Front Panel (supplied with chassis): Frontpanel shall be constructed of a polymer material toresist breakage and corrosion. It shall have a frontlouvered surface with integrated control door andair filters. The air filters shall be easily accessiblewithout removing the front panel from the chassis.

K.Air Filters: The chassis shall contain air filters,with a minimum of 40% arrestance per ASHRAEStandard 52.1. Two easily accessible front accesssupply air filters, shall be interchangeable,washable and permanent type. The vent filter shallbe a one--piece, removable and washable typefilter.

L. Bi--Directional Discharge Grille: Bi--directionalpolymer discharge grille shall resist corrosion andbreakage. It shall be easily set to direct air at 40degrees from horizontal or 80 degrees fromhorizontal. This non--metallic discharge grilleshall be cool to the touch during the heating cycle.

M.Ventilation: The chassis shall have a manualadjustable fresh air vent with a concealed manualcontrol. The vent control shall allow a maximumof up to 65 CFM of fresh air to be drawn into theroom when the indoor fan is operating and thedoor is open.

N.High Efficiency Condensate Removal System:The chassis shall have a condensate removalsystem consisting of a condensate suction port, todraw and atomize condensate, and a slinger ringintegrated in the outdoor fan, to dispersecondensate onto the condenser coil to beevaporated.

O. 2--piece Condenser Coil Shroud: The condensercoil shroud shall be two pieces, to allow easyaccess to service and maintain components in thecondenser section.

P. Accessories:1. Power Cord (PN: PWRCORD--xxxV--xxA)accessory, is required for all cordedapplications.

2. Hardwire kit (PN: 52M--HDWR--KIT--xxA)shall be required if an accessory power cord isnot used. The hardwire kit provides a permanentconnection to the unit and shall have 36” (914mm) of flexible steel conduit and a plug--inconnector for easy connect/disconnect.

3. Insulated Polymer Wall Sleeve (PN:SLEEVE--INSUL--1PK) shall be made from amolded polymer, with factory installedStyrofoam insulation and a minimumflammability rating of UL94--5V. The sleevesurface shall be textured to prevent shine andhide scratches.

4. Deep Wall Metal Wall Sleeve (up to 28” /711.2 mm.) (PN: SLEEVE--EXTxx--1PK) shall

be a one-- piece, extended wall sleeve, withfactory installed insulation and deep wallbaffles integrated.

5. Sleeve Molding (PN: SLEEVE--MOLDING)shall trim the wall sleeve to the existing wall tohide wall joints and irregularities due to thesleeve opening.

6. Architectural Grille (PN:GRILLE--PLA--xxxxx orGRILLE--ALU--xxxxx) shall be polymeric for longdurable life or painted aluminum for a superiorcolor match to the building.

7. Subbase (PN: SUBBASE--xxxV--xxA) shall bepre--assembled from the factory and UL listed.Subbase options include:— Non-electrical subbase: The

non--electrical subbase shall bepre--assembled and providesmechanical support and requires nowiring.

— Electrical subbase: The electricalsubbase shall be pre--assembled withfactory--installed electrical junctionbox containing a receptacle for cordedunits.

8. Drain kit (PN: DRAIN--KIT--4PK): Thisuniversal drain kit shall be used internally orexternally to route excess condensate to adrainage system. It can be field--installed on anyCarrier wall sleeve. The drain kit shall beattached to the exterior right or left side of thewall sleeve for external draining or may bemounted to the bottom of the wall sleeve forinternal draining. The drain kit shall includeboth a straight tube and a 90_ bend tube.

9. Wall Thermostats (PN: PTACSTAT--NP--HC--A &

PTACSTAT--NP--HP--A) The digital wallthermostat shall have a large LCD display withbacklighting, operate with 24VAC, benon--programmable, easy to use and providemaximum guest comfort.

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3.0 DELIVERY, STORAGE, ANDHANDLINGThe packaging of the chassis shall be sufficient toprotect the chassis from damage during shipment viaan enclosed truck. Chassis must also be able towithstand an impact force of 8 g’s and a randomcontinuous force of 1g, during shipping.Chassis, wall sleeves, and grilles shall be shipped inseparate cartons. Universal handling instructionsshall be defined and visible on the carton, from front,back and sides.Chassis shall be capable of withstandingtemperatures from --40_F to 155_F (--40_C to68.3_C), at 5 to 95 percent RH, non--condensing,during shipment and storage, without componentfailure.

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ACCESSORIESACCESSORY FORM

NUMBER PART NUMBER DESCRIPTION

Wall Sleeves

52S---48SI WALL---SLEEVE---1PKSLEEVE---INSUL---1PK

Non---Insulated Polymer Wall Sleeve, 1 per packInsulated Polymer Wall Sleeve, 1 per pack

52S---50SI SLEEVE---STEEL---1PK Insulated Metal Wall Sleeve, 1 per pack

52S---49SI

SLEEVE---EXT18---1PKSLEEVE---EXT24---1PKSLEEVE---EXT26---1PKSLEEVE---EXT28---1PK

Extended Metal Wall Sleeve for Deep Wall Applications (18 in./ 457 mm deep), 1 perpackExtended Metal Wall Sleeve for Deep Wall Applications (24 in./ 610 mm deep), 1 perpackExtended Metal Wall Sleeve for Deep Wall Applications (26 in./ 660 mm deep), 1 perpackExtended Metal Wall Sleeve for Deep Wall Applications (28 in./ 711 mm deep), 1 perpack

N/A SLEEVE---MOLDING Molding kit to trim the wall sleeve to the wall

52C,P---26SI FR---SLEEVE---EXT Friedrich wall sleeve extension to retrofit Carrier PTAC unit into Friedrich 11---1/2”(292.1 mm) deep (T Series) wall sleeve. 1 per pack

Exterior Grilles*

52S---59SI GRILLE---ALU---STAMP Stamped Aluminum Exterior Grille, Clear Finish

52S---65SIGRILLE---PLA---BROWNGRILLE---PLA---BEIGEGRILLE---PLA---ALPIN

Brown Polymer Architectural Rear Grille,Beige Polymer Architectural Rear Grille,Alpine (matches Carrier Wall Sleeve)

52S---60SI

GRILLE---ALU---CLEAR Aluminum Architectural Exterior Grille, Clear FinishGRILLE---ALU---WHITE Aluminum Architectural Exterior Grille, WhiteGRILLE---ALU---BRONZ Aluminum Architectural Exterior Grille, Light BronzeGRILLE---ALU---MBRNZ Aluminum Architectural Exterior Grille, Medium BronzeGRILLE---ALU---BROWN Aluminum Architectural Exterior Grille, Brown (Dark Bronze)GRILLE---ALU---BEIGE Aluminum Architectural Exterior Grille, BeigeGRILLE---ALU---ALPIN Aluminum Architectural Exterior Grille, Alpine (matches Carrier Wall Sleeve)GRILLE---ALU---PEACH Aluminum Architectural Exterior Grille, PeachGRILLE---ALU---MELON Aluminum Architectural Exterior Grille, MelonGRILLE---ALU---LGREY Aluminum Architectural Exterior Grille, Light GreyGRILLE---ALU---SGREY Aluminum Architectural Exterior Grille, Slate GrayGRILLE---ALU---RDBRK Aluminum Architectural Exterior Grille, Red BrickGRILLE---ALU---BLUE Aluminum Architectural Exterior Grille, BlueGRILLE---ALU---GREEN Aluminum Architectural Exterior Grille, Green

52C,P---31SI BAFFLE---KIT ---1PK Ensures good air seal and prevents air recirculation when Carrier sleeve is used witha non---Carrier grille.

Subbase

52C,P---1SI SUBBASE---NON---ELEC Non---electrical Subbase

52C,P---2SISUBBASE---230V---15ASUBBASE---230V---20ASUBBASE---230V---30A

Electrical subbase with factory---installed 208/230V, 15 amp receptacleElectrical subbase with factory---installed 208/230V, 20 amp receptacleElectrical subbase with factory---installed 208/230V, 30 amp receptacle

52C,P---17SISUBBASE---265V---15ASUBBASE---265V---20ASUBBASE---265V---30A

Electrical subbase with factory---installed 265V, 15 amp receptacleElectrical subbase with factory---installed 265V, 20 amp receptacleElectrical subbase with factory---installed 265V, 30 amp receptacle

Subbase Field---Installed Kits

52C,P---4SI SUBBASE---SWITCH Field---Installed Switch kit for an electrical subbase

52C,P---5SISUBBASE---FUSE---15ASUBBASE---FUSE---20ASUBBASE---FUSE---30A

Field---Installed Fuse Kit (15 amp) for electrical subbaseField---Installed Fuse Kit (20 amp) for electrical subbaseField---Installed Fuse Kit (30 amp) for electrical subbase

Sleeve Support 52C,P---29SI LEVELING---LEGS Attaches to wall sleeve for accurate and adjustable leveling and support for unitswithout a subbase

ElectricalConnections

52M---HDWR---KIT ---01

52M---HDWR---KIT ---15A52M---HDWR---KIT ---20A52M---HDWR---KIT ---30A

Permanent power connection to the unit (includes 36” (914.4 mm) of flexible conduitand unit ---mounted connector, 230/208V and 265V) 1 per pack

IIK ---PWRCORD---01

PWRCORD---230V---15APWRCORD---230V---20APWRCORD---230V---30APWRCORD---265V---15APWRCORD---265V---20APWRCORD---265V---30A

Required accessory power cord.Order cord based on voltage and amperage of electrical circuit being used to powerPTAC.

IIK ---52M---CONDUIT---01

52M---CONINT---15A52M---CONINT---20A52M---CONINT---30A

Provides a wired interface between existing hardwire conduit and the 52M unit. Kitincludes unit power connector with pigtails , conduit fasteners, and metal shield.

CondensateDrain Kit 52S---53SI DRAIN---KIT ---4PK Attaches to wall sleeve for controlled internal or external disposal of condensate---4

per packRemote RoomTemperatureSensor

N/A ZONECC0RRS01 Remote room temperature sensor

Wall Thermostats N/A

PTACSTAT---NP---HC---APTACSTAT---NP---HP---ATC---PAC01TC---PHP01

Comfort Series Non---Programmable Thermostat (heat/cool)Comfort Series Non---Programmable Thermostat (HP)Comfort Series Programmable Thermostat (AC)Comfort Series Programmable Thermostat (HP)

Wall ThermostatLocking Covers

N/A TSTAT---COVER---6X7

Clear plastic locking thermostat cover prevents unauthorized access to thermostat.Cover for use with non---programmable and electro---mechanical thermostats.Outside dimensions: 6---1/2” X 7---1/2” X 2---15/16” (165.1 mm X 190.5 mm X 74.6mm). 1 per pack

N/A TSTAT---COVER---7X10

Clear plastic locking thermostat cover prevents unauthorized access to thermostat.Cover for use with programmable thermostats.Outside dimensions: 7---1/4” X 9---3/4” X 3---3/8” (184.2 mm X 247.7 mm X 85.7 mm).1 per pack

ReplacementFilters N/A 52M---AIRFILT---10PK Replacement air filters in package of 10

* Custom colors are also available.

52M

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52M

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RR

AN

TY

.

CA

RR

IER

WIL

L N

OT

BE

RE

SP

ON

SIB

LE

FO

R:

1.

CL

EA

NIN

G R

EQ

UIR

ED

PR

IOR

TO

WA

RR

AN

TY

RE

PA

IR.

2.

Sta

nd

ard

m

ain

ten

an

ce

, cle

an

ing

o

r d

am

ag

e re

su

ltin

g fr

om

fa

ilure

to

p

erf

orm

n

orm

al m

ain

ten

an

ce

as o

utlin

ed

in

th

e o

wn

er’

s m

an

ua

l.

3.

Instr

uctio

n o

n m

eth

od

s o

f co

ntr

ol

an

d u

se

o

f a

ir co

nd

itio

nin

g u

nit a

fte

r in

itia

l in

sta

llatio

n.

4.

Da

ma

ge

or

rep

air

s n

ee

de

d a

s c

on

se

qu

en

ce

of

fau

lty i

nsta

llatio

n o

r a

pp

lica

tio

n.

Th

is is t

he

re

sp

on

sib

ility

of

the

in

sta

ller.

5

. F

ailu

re t

o s

tart

du

e t

o v

olta

ge

co

nd

itio

ns,

blo

wn

fu

se

s,

op

en

cir

cu

it b

rea

ke

rs o

r a

ny o

the

r d

am

ag

es d

ue

to

th

e in

ad

eq

ua

cy o

r in

terr

up

tio

n o

f e

lectr

ica

l se

rvic

es.

6

. D

am

ag

e

or

rep

air

s

ne

ed

ed

a

s

co

nse

qu

en

ce

o

f a

ny

mis

ap

plic

atio

n,

ab

use

, u

na

uth

orize

d a

lte

ratio

n,

imp

rop

er

se

rvic

ing

or

op

era

tio

n.

7

. D

am

ag

e

as

a

resu

lt

of

flo

od

s,

win

ds,

fire

s,

ligh

tnin

g,

accid

en

ts,

co

rro

siv

e

en

vir

on

me

nt,

or

oth

er

co

nd

itio

ns b

eyo

nd

th

e c

on

tro

l o

f C

AR

RIE

R.

EX

CE

PT

ION

T

O

CO

RR

OS

IVE

E

NV

IRO

NM

EN

T

EX

CL

US

ION

IN

A

BO

VE

P

AR

AG

RA

PH

– P

acke

d t

erm

ina

l u

nits (

52

Se

rie

s)

bu

ilt w

ith

co

rro

sio

n p

rote

ctio

n

are

e

xe

mp

t fr

om

th

e

exclu

sio

n

–

“Co

rro

siv

e

En

vir

on

me

nt.

” T

he

u

nit

mo

de

l n

um

be

r is

id

en

tifie

d o

n t

he

na

me

pla

te w

ith

CP

su

ffix

. 8

. R

eim

bu

rse

me

nt

for

rep

lace

me

nt

pa

rts o

r re

pa

ir s

erv

ice

s w

hic

h a

re n

ot

su

pp

lied

o

r d

esig

na

ted

b

y

CA

RR

IER

a

nd

w

hic

h

are

sp

ecific

ally

co

ve

red

u

nd

er

this

w

arr

anty

. 9

. C

AR

RIE

R p

rod

ucts

insta

lled

ou

tsid

e t

he

co

ntin

en

tal

U.S

.A.,

Ala

ska

, H

aw

aii,

an

d

Ca

na

da

. 1

0.

Sh

ipp

ing

d

am

ag

e o

r d

am

ag

e a

s a

re

su

lt o

f tr

an

sp

ort

ing

th

e u

nit.

Th

is is

th

e

resp

on

sib

ility

of

the

se

llin

g d

ea

ler

or

the

au

tho

rize

d R

oo

m A

ir C

on

ditio

ne

r se

rvic

e

sta

tio

n.

11

. A

NY

S

PE

CIA

L,

IND

IRE

CT

O

R

CO

NS

EQ

UE

NT

IAL

P

RO

PE

RT

Y

OR

C

OM

ME

RC

IAL

DA

MA

GE

OF

AN

Y N

AT

UR

E W

HA

TS

OE

VE

R.

So

me

sta

tes d

o

no

t a

llow

th

e e

xclu

sio

n o

r lim

ita

tio

n o

f in

cid

en

tal

or

co

nse

qu

en

tia

l d

am

ag

es,

so

th

e a

bo

ve

lim

ita

tio

n o

r e

xclu

sio

n m

ay n

ot

ap

ply

to

yo

u.

12

. W

arr

an

ty c

ove

rag

e o

f a

cce

sso

ry ite

ms (

wa

ll th

erm

osta

ts,

wa

ll sle

eve

s,

etc

.)

NO

TE

: S

erv

ice

an

d M

ain

ten

an

ce

ite

ms e

xclu

de

d i

n t

his

wa

rra

nty

ma

y b

e c

ove

red

by a

se

pa

rate

se

rvic

e a

gre

em

en

t th

rou

gh

th

e s

elle

r a

t tim

e o

f p

urc

ha

se

.

*Au

tho

rize

d in

de

pe

nd

en

t d

ea

lers

or

se

rvic

e s

tatio

ns a

re r

eg

iste

red

with

Ca

rrie

r th

rou

gh

its

dis

trib

uto

r o

rga

niz

atio

n.

Th

is w

arr

an

ty g

ive

s y

ou

sp

ec

ific

leg

al ri

gh

ts,

an

d y

ou

ma

y a

lso

ha

ve

oth

er

rig

hts

wh

ich

va

ry f

rom

sta

te t

o s

tate

.

52M

48

Ca

talo

g N

um

be

r: 4

900

4D

P58

Ed

itio

n D

ate

: 0

8/0

7

Ca

rrie

r C

orp

ora

tio

n

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

__

IF Y

OU

R A

IR C

ON

DIT

ION

ER

DO

ES

NO

T W

OR

K,

FO

LL

OW

TH

ES

E S

TE

PS

IN

OR

DE

R:

1

. C

HE

CK

TH

E T

HIN

GS

YO

U C

AN

DO

YO

UR

SE

LF

. T

he

se

in

clu

de

be

ing

su

re t

he

a

ir c

on

ditio

ne

r is

plu

gg

ed

in

fir

mly

in

an

ap

pro

pri

ate

re

ce

pta

cle

, ch

eckin

g t

he

fu

se

o

r cir

cu

it b

rea

ke

r a

nd

en

su

rin

g its

re

pla

ce

me

nt

or

rese

ttin

g,

if n

ece

ssa

ry,

an

d

rere

ad

ing

th

e in

str

uctio

n b

oo

k t

o e

nsu

re t

ha

t a

ll co

ntr

ols

are

se

t p

rope

rly.

By

do

ing

th

is y

ou

ca

n s

ave

mo

ne

y.

Ma

ny u

nn

ece

ssa

ry s

erv

ice

ca

lls r

esu

lt in

th

e

se

rvic

em

an

do

ing

wh

at

the

ow

ne

r ca

n d

o f

or

him

or

he

rse

lf.

2.

CO

NT

AC

T Y

OU

R D

EA

LE

R O

R T

HE

CA

RR

IER

AU

TH

OR

IZE

D S

ER

VIC

E

CE

NT

ER

HE

RE

CO

MM

EN

DS

. T

he

y h

ave

be

en

se

t u

p t

o h

an

dle

th

e g

rea

t m

ajo

rity

of

all

po

ssib

le s

erv

ice

pro

ble

ms.

Th

e q

uic

ke

st,

su

rest

an

d b

est

wa

y t

o

ge

t yo

ur

air

co

nd

itio

ne

r b

ack in

se

rvic

e is t

o u

se

th

is s

tep

be

fore

pro

ce

ed

ing

fu

rth

er.

3

. C

ON

TA

CT

TH

E C

AR

RIE

R D

IST

RIB

UT

OR

SE

RV

ING

YO

UR

AR

EA

. Y

our

deale

r ca

n g

ive

yo

u h

is n

am

e o

r yo

u c

an

co

nsu

lt y

ou

r ye

llow

pa

ge

s.

4

. C

ON

TA

CT

CA

RR

IER

IF

A S

AT

ISF

AC

TO

RY

SO

LU

TIO

N I

S N

OT

RE

AC

HE

D I

N

ST

EP

S 2

AN

D 3

.

Carr

ier

Corp

ora

tion

Co

nsu

me

r R

ela

tio

ns D

ep

art

me

nt

Carr

ier

Pa

rkw

ay,

P.O

. B

ox 4

808

Syra

cu

se

, N

ew

Yo

rk 1

32

21

T

ele

ph

on

e:

1-8

00

-89

4-6

44

9

52M

49

NOTES:________________________________________________________________________________________

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________________________________________________________________________________________

52M

50

Copyright 2008 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Catalog No. 52M---2PD

Replaces: 52M---1PD

Printed in U.S.A. Edition Date: 07/08

52M

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