Installer's Guide Convertible Air Handlers 2-5 Ton TEM6

SSAAFFEETTYY WWAARRNNIINNGGOnly qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, andair-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or alteredequipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in theliterature and on the tags, stickers, and labels that are attached to the equipment.

March 2018 1188--GGFF7744DD11--11KK--EENN

Convertible Air Handlers2 — 5 TonTEM6A0B24H21SBTEM6A0B30H21SBTEM6A0C36H31SBTEM6A0C42H41SBTEM6A0C48H41SBTEM6A0D48H41SBTEM6A0C60H51SBTEM6A0D60H51SB

The TEM6 series air handler is designed for installation in a closet,utility room, alcove, basement, crawlspace or attic. These versatileunits are applicable to air conditioning and heat pumpapplications. Several models are available to meet the specificrequirements of the outdoor equipment. Field installed electricresistance heaters are available.

Installer’s Guide

©2018 Ingersoll Rand 18-GF74D1-1K-EN

SAFETY SECTIONAIR HANDLERSIImmppoorrttaanntt:: This document contains a wiring diagram,

a parts list, and service information. This iscustomer property and is to remain withthis unit. Please return to serviceinformation pack upon completion of work.

IImmppoorrttaanntt:: These instructions do not cover allvariations in systems nor provide for everypossible contingency to be met inconnection with the installation. Shouldfurther information be desired or shouldparticular problems arise which are notcovered sufficiently for the purchaser’spurposes, the matter should be referred toyour installing dealer or local distributor.

WWAARRNNIINNGGHHAAZZAARRDDOOUUSS VVOOLLTTAAGGEE!!FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinnpprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorrddeeaatthh..DDiissccoonnnneecctt aallll eelleeccttrriicc ppoowweerr,, iinncclluuddiinngg rreemmootteeddiissccoonnnneeccttss bbeeffoorree sseerrvviicciinngg.. FFoollllooww pprrooppeerrlloocckkoouutt//ttaaggoouutt pprroocceedduurreess ttoo eennssuurree tthhee ppoowweerrccaannnnoott bbee iinnaaddvveerrtteennttllyy eenneerrggiizzeedd..

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WWAARRNNIINNGGLLIIVVEE EELLEECCTTRRIICCAALL CCOOMMPPOONNEENNTTSS!!FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinnpprrooppeerrttyy ddaammaaggee,, sseevveerree ppeerrssoonnaall iinnjjuurryy,, oorrddeeaatthh..FFoollllooww aallll eelleeccttrriiccaall ssaaffeettyy pprreeccaauuttiioonnss wwhheenneexxppoosseedd ttoo lliivvee eelleeccttrriiccaall ccoommppoonneennttss.. IItt mmaayy bbeenneecceessssaarryy ttoo wwoorrkk wwiitthh lliivvee eelleeccttrriiccaall ccoommppoonneennttssdduurriinngg iinnssttaallllaattiioonn,, tteessttiinngg,, sseerrvviicciinngg,, aannddttrroouubblleesshhoooottiinngg ooff tthhiiss pprroodduucctt..

WWAARRNNIINNGGPPRREESSSSUURRIIZZEEDD RREEFFRRIIGGEERRAANNTT!!FFaaiilluurree ttoo ffoollllooww tthhiiss WWaarrnniinngg ccoouulldd rreessuulltt iinnppeerrssoonnaall iinnjjuurryySSyysstteemm ccoonnttaaiinnss ooiill aanndd rreeffrriiggeerraanntt uunnddeerr hhiigghhpprreessssuurree.. RReeccoovveerr rreeffrriiggeerraanntt ttoo rreelliieevvee pprreessssuurreebbeeffoorree ooppeenniinngg tthhee ssyysstteemm.. DDoo nnoo uussee nnoonn--aapppprroovveedd rreeffrriiggeerraannttss oorr rreeffrriiggeerraanntt ssuubbssttiittuutteess oorrrreeffrriiggeerraanntt aaddddiittiivveess..

CCAAUUTTIIOONNSSHHAARRPP EEDDGGEE HHAAZZAARRDD!!FFaaiilluurree ttoo ffoollllooww tthhiiss CCaauuttiioonn ccoouulldd rreessuulltt iinnpprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy..BBee ccaarreeffuull ooff sshhaarrpp eeddggeess oonn eeqquuiippmmeenntt oorr aannyyccuuttss mmaaddee oonn sshheeeett mmeettaall wwhhiillee iinnssttaalllliinngg oorrsseerrvviicciinngg..

CCAAUUTTIIOONNHHAAZZAARRDDOOUUSS VVAAPPOORRSS!!FFaaiilluurree ttoo ffoollllooww tthhiiss ccaauuttiioonn ccoouulldd rreessuulltt iinnpprrooppeerrttyy ddaammaaggee oorr ppeerrssoonnaall iinnjjuurryy..EEqquuiippmmeenntt ccoorrrroossiioonn ddaammaaggee.. TToo pprreevveennttsshhoorrtteenniinngg iittss sseerrvviiccee lliiffee,, tthhee aaiirr hhaannddlleerr sshhoouullddnnoott bbee uusseedd dduurriinngg tthhee ffiinniisshhiinngg pphhaasseess ooffccoonnssttrruuccttiioonn oorr rreemmooddeelliinngg.. TThhee llooww rreettuurrnn aaiirrtteemmppeerraattuurreess ccaann lleeaadd ttoo tthhee ffoorrmmaattiioonn ooffccoonnddeennssaattee.. CCoonnddeennssaattee iinn tthhee pprreesseennccee ooffcchhlloorriiddeess aanndd fflluuoorriiddeess ffrroomm ppaaiinntt,, vvaarrnniisshh,, ssttaaiinnss,,aaddhheessiivveess,, cclleeaanniinngg ccoommppoouunnddss,, aanndd cceemmeennttccrreeaatteess aa ccoorrrroossiivvee ccoonnddiittiioonn wwhhiicchh mmaayy ccaauusseerraappiidd ddeetteerriioorraattiioonn ooff tthhee ccaabbiinneett aanndd iinntteerrnnaallccoommppoonneennttss..

CCAAUUTTIIOONNCCOOIILL IISS PPRREESSSSUURRIIZZEEDD!!•• CCooiill iiss pprreessssuurriizzeedd wwiitthh aapppprrooxxiimmaatteellyy 88––1122 ppssiiddrryy aaiirr aanndd ffaaccttoorryy cchheecckkeedd ffoorr lleeaakkss..•• CCaarreeffuullllyy rreelleeaassee tthhee pprreessssuurree bbyy rreemmoovviinngg tthheerruubbbbeerr pplluugg oonn tthhee lliiqquuiidd lliinnee..•• IIff nnoo pprreessssuurree iiss rreelleeaasseedd,, cchheecckk ffoorr lleeaakkss..

18-GF74D1-1K-EN 3

WWAARRNNIINNGGSSAAFFEETTYY HHAAZZAARRDD!!FFiibbeerrggllaassss dduusstt aanndd cceerraammiicc ffiibbeerrss aarree bbeelliieevveedd bbyytthhee ssttaattee ooff CCaalliiffoorrnniiaa ttoo ccaauussee ccaanncceerr tthhrroouugghhiinnhhaallaattiioonn.. GGllaasssswwooooll ffiibbeerrss mmaayy aallssoo ccaauusseerreessppiirraattoorryy,, sskkiinn,, oorr eeyyee iirrrriittaattiioonn..PPRREECCAAUUTTIIOONNAARRYY MMEEAASSUURREESS•• AAvvooiidd bbrreeaatthhiinngg ffiibbeerrggllaassss dduusstt•• UUssee aa NNIIOOSSHH aapppprroovveedd dduusstt//mmiisstt rreessppiirraattoorr•• AAvvooiidd ccoonnttaacctt wwiitthh tthhee sskkiinn oorr eeyyeess.. WWeeaarr lloonngg--sslleeeevveedd,, lloooossee ffiittttiinngg ccllootthhiinngg,, gglloovveess,, aanndd eeyyeepprrootteeccttiioonn•• WWaasshh ccllootthheess sseeppaarraatteellyy ffrroomm ootthheerr ccllootthhiinngg,,rriinnssee wwaasshheerr tthhoorroouugghhllyy•• OOppeerraattiioonnss ssuucchh aass ssaawwiinngg,, bblloowwiinngg,, tteeaarr--oouutt,,aanndd sspprraayyiinngg mmaayy ggeenneerraattee ffiibbeerr ccoonncceennttrraattiioonnssrreeqquuiirriinngg aaddddiittiioonnaall rreessppiirraattoorryy pprrootteeccttiioonn.. UUsseetthhee aapppprroopprriiaattee NNIIOOSSHH aapppprroovveedd rreessppiirraattoorr iinntthheessee ssiittuuaattiioonnssFFIIRRSSTT AAIIDD MMEEAASSUURREESS•• EEYYEE CCOONNTTAACCTT:: FFLLUUSSHH EEYYEESS WWIITTHH WWAATTEERR TTOORREEMMOOVVEE DDUUSSTT.. IIFF SSYYMMPPTTOOMMSS PPEERRSSIISSTT,, SSEEEEKKMMEEDDIICCAALL AATTTTEENNTTIIOONN..•• SSKKIINN CCOONNTTAACCTT:: WWAASSHH AAFFFFEECCTTEEDD AARREEAAGGEENNTTLLYY WWIITTHH SSOOAAPP AANNDD WWAARRMM WWAATTEERR AAFFTTEERRHHAANNDDLLIINNGG..TThhiiss wwaarrnniinngg ccoommpplliieess wwiitthh ssttaattee ooff CCaalliiffoorrnniiaa llaaww,,PPrrooppoossiittiioonn 6655..

WWAARRNNIINNGGSSAAFFEETTYY HHAAZZAARRDD!!TThhiiss aapppplliiaannccee iiss nnoott ttoo bbee uusseedd bbyy ppeerrssoonnss((iinncclluuddiinngg cchhiillddrreenn)) wwiitthh rreedduucceedd pphhyyssiiccaall,,sseennssoorryy,, oorr mmeennttaall ccaappaabbiilliittiieess,, oorr llaacckk ooffeexxppeerriieennccee aanndd kknnoowwlleeddggee,, uunnlleessss tthheeyy hhaavvee bbeeeennggiivveenn ssuuppeerrvviissiioonn oorr iinnssttrruuccttiioonn..

WWAARRNNIINNGGSSAAFFEETTYY HHAAZZAARRDD!!CChhiillddrreenn sshhoouulldd bbee ssuuppeerrvviisseedd ttoo eennssuurree tthhaatt tthheeyyddoo nnoott ppllaayy wwiitthh tthhee aapppplliiaannccee..

IImmppoorrttaanntt:: Installation of this unit shall be made inaccordance with the National Electric Code,NFPA No. 90A and 90B, and any other localcodes or utilities requirements.

IImmppoorrttaanntt:: Air handlers do not require repositioning ofthe coil or drain pan for upflow orhorizontal left applications. See thedownflow and horizontal right installationsections for application instructions.

NNoottee:: Air handlers have been evaluated in accordancewith the Code of Federal Regulations, ChapterXX, Part 3280 or the equivalent. “SUITABLE FORMOBILE HOME USE.”

NNoottee:: Condensation may occur on the surface of the airhandler when installed in an unconditionedspace. When units are installed in unconditionedspaces, verify that all electrical and refrigerantline penetrations on the air handler are sealedcompletely.

NNoottee:: The manufacturer recommends installing ONLYA.H.R.I approved, matched indoor and outdoorsystems. Some of the benefits of installingapproved matched indoor and outdoor splitsystems are maximum efficiency, optimumperformance, and the best overall systemreliability.

SSAAFFEETTYY SSEECCTTIIOONN AAIIRR HHAANNDDLLEERRSS

4 18-GF74D1-1K-EN

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Installation Instructions . . . . . . . . . . . . . . . . . . . 5

Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Performance and Electrical Data . . . . . . . . . . . 12

Minimum Airflow CFM . . . . . . . . . . . . . . . . . . . . 21

Outline Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Heater Pressure Drop Table . . . . . . . . . . . . . . . 24Subcooling Adjustment . . . . . . . . . . . . . . . . . . 24

Subcooling Adjustment forTEM6A0C48H41 & TEM6A0C60H51 . . . . . . . 24

Coil Conversion Instructions. . . . . . . . . . . . . . . 25Coil Conversion . . . . . . . . . . . . . . . . . . . . . . . . . 29

Checkout Procedures . . . . . . . . . . . . . . . . . . . . . . 37

Table of Contents

18-GF74D1-1K-EN 5

FeaturesTable 1. Standard Features

• MULTI-POSITION UPFLOW, DOWNFLOW, HORIZONTAL LEFTAND HORIZONTAL RIGHT

• PAINTED FINISH ON GALVANIZED STEEL EXTERIOR WITHFULLY INSULATED CABINET THAT MEETS R4.2 VALUE

• STURDY POLYCARBONATE DRAIN PANS

– These air handlers have factory installed drain pans andare shipped for upflow and horizontal left applications

• 208/230 VAC OPERATION

• VARIABLE-SPEED DIRECT DRIVE BLOWER.

• FACTORY INSTALLED R-410ATHERMAL EXPANSION VALVE

• ALL ALUMINUM COIL

• BOTTOM RETURN

• MEETS THE MINIMUM LEAKAGE REQUIREMENTS FOR THEFLORIDA AND CALIFORNIA BUILDING CODES

Table 2. Optional Accessories

• 4,5,8,10,15,20, and 25 KW SINGLE PHASE ELECTRICHEATERS

– Circuit breakers available on single phase 4, 5, 8, 10,15, 20, and 25 KW heaters

– Lugs available on single phase 4, 5, 8, and 10 KWheaters

– Lugs available on three phase 10 and 15 KW heaters

• SINGLE POINT POWER ENTRY KIT (for 15 and 20 KWheaters)

• SUPPLY DUCT FLANGE KIT

• DOWNFLOW SUB-BASE KITS -TAYBASE185, TAYBASE235,TAYBASE260

• SLIM FIT FILTER BOX KIT— BAYSF1185AAA,BAYSF1235AAA, BAYSF1265AAA

Installation Instructions1. UUnnppaacckkiinngg

Carefully unpack the unit and inspect the contentsfor damage. If any damage is found at the time ofdelivery, proper notification and claims should bemade with the carrier.

Check the rating plate to assure model number andvoltage, plus any kits match with what you ordered.The manufacturer should be notified within 5 daysof any discrepancy or parts shortage.

2. LLooccaattiioonn

The air handler should be centrally located and maybe installed in a closet, alcove, utility room,basement, crawl space or attic. Minimumclearances must be met.

IImmppoorrttaanntt:: The downflow sub-base may berequired with electric heat applications.See minimum clearance table.

The unit should be installed in a level position toensure proper condensation drainage. Up to an

additional 1/4” rise over the width or depth of theunit is allowed to create additional sloping towardsthe drain. Unit must be positioned between leveland ¼” rise, sloping toward the drain connections.

When the unit is installed in a closet or utility room,the room should be large enough, and have anopening to allow replacement of the unit. Allservicing is done from the front and a clearance of21" is needed for service unless the closet dooraligns with the front of the air handler.

If you are installing the unit in an unconditionedspace such as an attic or crawl space, you mustensure that the area provides sufficient aircirculation to prevent moisture collection on thecabinet during high dew point conditions. A drainpan must be installed under the entire unit when itis installed in or above a finished ceiling or in anunconditioned space.

3. DDuucctt WWoorrkk

The duct work should be installed in accordancewith the NFPA No. 90A "Installation of AirConditioning and Ventilating systems" and No. 90B"Residential Type Warm Air Heating and AirConditioning Installation."

The duct work should be insulated in accordancewith the applicable requirements for the particularinstallation as required by HUD, FHA, VA theapplicable building code, local utility or othergoverning body.

4. CCoonnddeennssaattee DDrraaiinn

The unit is supplied with primary and auxiliarycondensate drains that have 3/4" NPT connections.The primary drain must be trapped outside the unitand piped in accordance with applicable buildingcodes.

The figure shows the operation of a properlydesigned trap under normal operating conditionswhen the blower is running and the condensate isdraining. Note the difference in height of the watercolumn must at least equal the normal negativestatic pressure existing during operation betweenthe cooling coil and blower. It is advisable to havethe difference in water column height somewhatgreater than the normal maximum operating staticto allow for greater static caused by dirty filters orfor the bounce of the water column on start up.

6 18-GF74D1-1K-EN

NegativePressure

BlowerRunning

Drain Pan

“C”“A”

To Drain

Proper operation of condensate trap undernormal operating conditions.

“A” height of water column equalsnegative static pressure existing in system.

“C” dimension should at least equal twotimes the maximum negative static pressurethat can occur in system.

Do not reduce the drain line size less than theconnection size on the drain pan. Condensateshould be piped to an open drain or to the outside.All drains must pitch downward away from the unita minimum of 1/4" per foot of line to ensure properdrainage.

IImmppoorrttaanntt:: If cleanout Tee is used, stand pipe mustbe sealed/capped.

IImmppoorrttaanntt:: If a vent Tee is used, it must bedownstream from the trap.

To Drain

Vent-This vent pipe MUST terminate above the dotted line Cleanout

(with Cap)

Cleanout(Plug)

Insulate the primary drain line to prevent sweatingwhere dew point temperatures may be met.(Insulation is optional depending on climate andapplication needs.)

5. RReeffrriiggeerraanntt PPiippiinngg

Refrigerant piping external to the unit shall be sizedin accordance with the instructions of themanufacturer of the outdoor equipment.

6. MMeetteerriinngg DDeevviiccee

All units are shipped and installed with aninternally-checked, non-bleed TXV designed for airconditioning or heat pump operation. Someoutdoor models may require a start assist kit. Seeoutdoor unit for more information.

7. BBlloowweerr

This unit is supplied with a variable speed motorwith a direct drive blower wheel which can obtainvarious air flows. The unit is shipped with factoryset cooling and heating air flows. Performancetables are available for additional airflow settings.Disconnect all power to the unit before making anyadjustments to the airflow settings. Be sure tocheck the air flow and the temperature drop acrossthe evaporator coil to ensure sufficient air flow.

8. AAiirrffllooww AAddjjuussttmmeenntt

CCAAUUTTIIOONNEEQQUUIIPPMMEENNTT DDAAMMAAGGEE!!FFaaiilluurree ttoo ffoollllooww tthhiiss pprroocceedduurree mmaayy rreessuulltt iinneeqquuiippmmeenntt ddaammaaggee..DDiissccoonnnneecctt ppoowweerr ttoo tthhee aaiirr hhaannddlleerr bbeeffoorreecchhaannggiinngg ddiipp sswwiittcchh ppoossiittiioonnss..

Blower speed changes are made on the ECM FanControl. The ECM Fan Control controls the variablespeed motor.

There is a bank of 8 dip switches. The dip switcheswork in pairs to match the airflow for the outdoorunit size (tons). cooling airflow adjustment, Fan off-delay options, and heating airflow adjustment. Theswitches appear as shown in Figure 2, p. 7

Figure 1. ECM Fan Control

CFM SELECTIONLIGHT

DIP SWITCHES

FFeeaattuurreess

18-GF74D1-1K-EN 7

Figure 2. Dip Switches

DIP SWITCHES (TYPICAL SETTINGS)

COOLING HEATING

AIRFLOW

FAN OFFDELAY

AUXILARYHEAT SPEEDS

If the airflow needs to be increased or decreased,see the Airflow Label on the air handler or BlowerPerformance Table.

Be sure to set the correct airflow for cooling andheating.

Switches 1–4 Cooling Airflow

Switches 5–6 Fan Off Delay Options

Switches 7–8 Auxiliary Heat

IInnddoooorr BBlloowweerr TTiimmiinngg

IImmppoorrttaanntt:: Leave dip switches 5 and 6 in the “as-shipped” positions during system start-up and check out. Afterwards, adjust asdesired.

Table 3. Cooling Off — Delay Options

SWITCH SETTINGS SELECTION NOMINALAIRFLOW

5— OFF 6 — OFF NONE SAME

5 — ON 6— OFF 1.5 MINUTES 100% (a)

5 — OFF 6— ON 3 MINUTES 50%

5—ON 6— ON ENHANCED(b)

50–100%

(a) Default setting(b) This ENHANCED MODE selection provides a ramping up and ramping

down of the blower speed to provide improved comfort, quietness,and potential energy savings. The graph shows the ramping process.

Figure 3. Enhanced Mode

OFF OFF

50%

80%

100% if necessary

50%

DehumidifyWarm Air Heating

Fast Coil CoolingFast Coil Heating Efficiency

7.5minutes

3minutes

1minute

FA

N O

PE

RA

TIO

N (

CF

M)

as required

COMPRESSOR OPERATION ON OFF

9. WWiirriinngg

Consult all schematic and pictorial wiring diagramsof this unit and the outdoor equipment todetermine compatibility of wiring connections andto determine specific requirements.

All field wiring to the air handler should be installedin accordance with the latest edition of the NationalElectric Code NFPA No. 70 and any local codes.Check rating plates on unit for rated volts,minimum circuit ampacity and maximum overcurrent protection. Supply circuit power wiringmust be 75 degree C (167 degree F) minimumcopper conductors only. Copper supply wires shallbe sized to the National Electric Code or local coderequirements, whichever is more stringent.

The unit is shipped wired for 230/240 Volt AC 60 HZ1 Phase Operation. If the unit is to be operated at208 VAC 60HZ, follow the instructions on the indoorunit wiring diagram to change the low voltagetransformer to 208 VAC operation (Ensure unit isproperly grounded).

Class 2 low voltage control wiring should not be runin conduit with power wiring and must beseparated from power wiring unless class 1 wirewith proper voltage rating is used.

Low voltage control wiring should be 18 Awg, colorcoded (105 degree C minimum). For lengths longerthan 100ft., 16 Awg wire should be used. Makecertain that separation of control wiring and powerwiring has been maintained.

10. AAiirr FFiilltteerr

To protect the coil, blower and other internal partsfrom excessive dirt and dust an air filter must beinstalled before air enters the evaporator coil. Aremote filter must be installed. Consult the filtermanufacturer for proper sizing and maximumvelocity requirements.

IImmppoorrttaanntt:: Air filters shall meet the test requirementsin UL 900.

11. TThheerrmmoossttaatt

Select a thermostat that is commonly used with HPor AC single stage heating/cooling with electricheat. The thermostat will energize the fan on ademand for heat or cool.

Install the thermostat on an inside wall, away fromdrafts, lights or other heat sources in a location thathas sufficient air circulation from other rooms beingcontrolled by the thermostat.

12. SSeeqquueennccee ooff OOppeerraattiioonnCCoooolliinngg ((CCoooolliinngg oonnllyy))

When the thermostat calls for cooling, the circuitfrom R to G is completed. The blower motor isenergized directly by the ECM fan control, whichreceives the 24VAC signal from the thermostat.

The circuit from R to Y is also complete energizingthe compressor contactor of the outdoor unit. The

FFeeaattuurreess

8 18-GF74D1-1K-EN

contactor will close and start the compressor andcondenser fan motor.

CCoooolliinngg ((hheeaatt ppuummpp))

When the thermostat calls for cooling, the circuitfrom R to G is completed. The blower motor isenergized directly by the ECM fan control, whichreceives the 24VAC signal from the thermostat.

The circuit from R to Y is also complete energizingthe compressor contactor of the outdoor unit. Thecontactor will close and start the compressor andcondenser fan motor.

Circuit R to O energizes the reversing valve to thecooling position.

HHeeaattiinngg ((hheeaatt ppuummpp))

When the thermostat calls for heating, the circuitfrom R to G is completed and the blower motor isenergized directly by the ECM fan control, whichreceives the 24VAC signal from the thermostat.

The circuit from R to Y is also complete energizingthe compressor contactor of the outdoor unit. Thecontactor will close and start the compressor andcondenser fan motor.

In the heating mode, the reversing valve of theoutdoor unit is not energized.

If the indoor temperature continues to fall, the R toW circuit is completed energizing the electric heatcontactor(s).

HHeeaattiinngg ((eelleeccttrriicc hheeaatt oonnllyy))

NNoottee:: The thermostat must be setup to bring theblower on when the electric heat is energized.

When the thermostat calls for heating, the circuitfrom R to G is completed and the blower motor isenergized directly by the ECM fan control, whichreceives the 24VAC signal from the thermostat. Thecircuit from R to W is completed energizing theheating contactor(s).

DDeeffrroosstt

Supplemental heat during defrost can be providedby connecting the X2 (black) wire from the outdoorunit to W1 or W2 at the indoor unit. This willprevent cold air from being discharged from theindoor unit during defrost.

13. OOppeerraattiioonnaall aanndd CChheecckkoouutt PPrroocceedduurreess

To obtain proper performance, all units must beoperated and charge adjustments made inaccordance with procedures found in the ServiceFacts document of the outdoor unit. Afterinstallation has been completed, it is recommendedthat the entire system be checked against thecheckout list located at the back of this document.See “Checkout Procedures,” p. 37

14. MMaaiinntteennaannccee

The system air filter(s) should be inspected, cleanedor replaced at least monthly. Make certain that theaccess panels are replaced and secured properlybefore placing the unit back in operation. Thisproduct is designed for dependable service;however, periodic maintenance should bescheduled and conducted by trained professionalservice personnel. This service should beconducted at least annually, and should includetesting and inspection of electrical and refrigerantcomponents. The heat transfer surface should becleaned. The blower motor is permanentlylubricated for normal operating conditions.

FFeeaattuurreess

18-GF74D1-1K-EN 9

Field Wiring

Single Stage, Cooling Only

Thermostat Air Handler OutdoorUnit

R

G

B

W1

W2

B

Y

R

G

B

Y

W1

Blue

24 VAC HOT

FAN

24 VAC Common

SOV

COOL/HEAT1st STAGE

HEATING2nd STAGE

EMERGENCYHEAT

White

White

W2

O

Y1

1. * Units with pigtails require wirenuts for connections.2. Cap all unused wires.3. For BK enabled comfort control, do not connect Y1 or Y2 at the air handler

Y2

BKWH/BLK

4. For BK enabled comfort control, cut the jumper wire between R and BK on the control board. See wiring schematic for details.5. In AC systems for multiple stages of electric heat, jumper W1 and W2 together if comfort control has only one stage of heat.

Single Stage, HP


R

G

B

W1

W2

R

B

O

Y

X2

R

G

B

O

Y

W1

Blue

24 VAC HOT

FAN

24 VAC Common

SOV

COOL/HEAT1st STAGE

HEATING2nd STAGE

EMERGENCYHEAT

White

BlackWhite

W2

O

Y1

Y2

BK

Optional

WH/BLK

1. * Units with pigtails require wirenuts for connections.2. Cap all unused wires.3. For BK enabled comfort control, do not connect Y1 or Y2 at the air handler4. For BK enabled comfort control, cut the jumper wire between R and BK on the control board. See wiring schematic for details.5. In systems for multiple stages of electric heat, jumper W1 and W2 together if comfort control has only one stage of heat.

10 18-GF74D1-1K-EN

2 Stage, 2 Step, Cooling Only


R

G

B

W1

W2

B

Y1

R

G

B

Y1

W1

Blue

24 VAC HOT

FAN

24 VAC Common

COOL/HEAT1st STAGE

HEATING2nd STAGE

EMERGENCYHEAT

White

White

W2

O

Y1

Y2

BK

Y2 Y2

WH/BLK

1. * Units with pigtails require wirenuts for connections.2. Cap all unused wires.3. For BK enabled comfort control, do not connect Y1 or Y2 at the air handler4. For BK enabled comfort control, cut the jumper wire between R and BK on the control board. See wiring schematic for details.5. In AC systems for multiple stages of electric heat, jumper W1 and W2 together if comfort control has only one stage of heat.

2 Stage, 2 Step, HP


R

G

B

W1

W2

R

B

O

Y1

X2

R

G

B

O

Y1

W1

Blue

24 VAC HOT

FAN

24 VAC Common

SOV

COOL/HEAT1st STAGE

HEATING2nd STAGE

EMERGENCYHEAT

White

BlackWhite

W2

O

Y1

Y2

BKOptional

Y2Y2

WH/BLK

1. * Units with pigtails require wirenuts for connections.2. Cap all unused wires.3. For BK enabled comfort control, do not connect Y1 or Y2 at the air handler4. For BK enabled comfort control, cut the jumper wire between R and BK on the control board. See wiring schematic for details.5. In systems for multiple stages of electric heat, jumper W1 and W2 together if comfort control has only one stage of heat.

FFiieelldd WWiirriinngg

18-GF74D1-1K-EN 11

Electrical Data

12 18-GF74D1-1K-EN

Performance and Electrical Data

Table 4. Air Flow Performance

TEM6A0B24H21SB COOLING AIRFLOWPERFORMANCE, WET COIL, NO FILTER, NO HEATEROUTDOORUNIT SIZE(TONS)

SPEEDSETTING

AIRFLOWSETTING

DIP SWITCH SETTING AIRFLOWPOWER

EXTERNAL STATIC PRESSURE

SW1 SW2 SW3 SW4 0.1 0.3 0.5 0.7 0.9

1.5

LOW 353 CFM/ton ON ON OFF ON CFM

Watts53352

49778

461104

425130

390157

NORMAL 401 CFM/ton ON ON OFF OFF CFM

Watts61165

58095

548125

517155

486185

HIGH 451 CFM/ton ON ON ON OFF CFM

Watts68481

668115

644148

611182

570215

2

LOW 343 CFM/ton OFF ON OFF ON CFM

Watts68782

672115

648149

614182

571215

NORMAL 390 CFM/ton OFF ON OFF OFF CFM

Watts789104

798145

780183

735216

663246

HIGH 439 CFM/ton OFF ON ON OFF CFM

Watts884135

887177

882230

845274

751290

2.5

LOW 300 CFM/ton ON OFF OFF ON CFM

Watts75292

749123

729167

691211

636241

NORMAL(a)

340 CFM/ton OFF OFF OFF OFF CFM

Watts859128

861172

863211

830242

727268

HIGH 383 CFM/ton ON OFF ON OFF CFM

Watts963172

973223

995263

967291

844308

(a) Factory Default Setting


TEM6A0B24H21SB HEATING AIRFLOW PERFORMANCE, NO FILTER, NO HEATEROUTDOORUNIT SIZE(TONS)

SPEEDSETTING

AIRFLOWSETTING



SW1 SW2 SW3 SW4 0.1 0.3 0.5 0.7 0.9

1.5


Watts59958

57188

539117

502146

462175


Watts68072

665109

641145

610178

572209


Watts74889

746118

682163

545208

326240

2


Watts78597

790128

773175

735223

674253


Watts904131

902179

912219

894253

809281


Watts980167

972216

990268

974308

863324

2.5


Watts866125

870162

866215

833263

750286

NORMAL(a)

398 CFM/ton ON OFF OFF OFF CFM

Watts995171

988222

1005271

986309

872325


Watts1099220

1086274

1098328

1065362

918353


18-GF74D1-1K-EN 13


TEM6A0B30H21SB COOLING AIRFLOWPERFORMANCE, WET COIL, NO FILTER, NO HEATEROUTDOORUNIT SIZE(TONS)

SPEEDSETTING

AIRFLOWSETTING



SW1 SW2 SW3 SW4 0.1 0.3 0.5 0.7 0.9

1.5


Watts53352

49778

461104

425130

390157


Watts61165

58095

548125

517155

486185


Watts68481

668115

644148

611182

570215

2


Watts68782

672115

648149

614182

571215


Watts789104

798145

780183

735216

663246


Watts884135

887177

882230

845274

751290

2.5


Watts75292

749123

729167

691211

636241

NORMAL 340 CFM/ton ON OFF OFF OFF CFM

Watts859128

861172

863211

830242

727268


Watts963172

973223

995263

967291

844308

3LOW 310 CFM/

ton OFF OFF OFF ON CFMWatts

913119

947172

962233

938297

883364

NORMAL(a)


Watts967138

1004194

1022258

1000326

947397



TEM6A0B30H21SB HEATING AIRFLOW PERFORMANCE, NO FILTER, NO HEATEROUTDOORUNIT SIZE(TONS)

SPEEDSETTING

AIRFLOWSETTING



SW1 SW2 SW3 SW4 0.1 0.3 0.5 0.7 0.9

1.5


Watts59958

57188

539117

502146

462175


Watts68072

665109

641145

610178

572209


Watts74889

746118

682163

545208

326240

2


Watts78597

790128

773175

735223

674253


Watts904131

902179

912219

894253

809281


Watts980167

972216

990268

974308

863324

2.5


Watts866125

870162

866215

833263

750286


Watts995171

988222

1005271

986309

872325


Watts1099220

1086274

1098328

1065362

918353

3LOW 325 CFM/

ton OFF OFF OFF ON CFMWatts

953133

990188

1007251

985318

931389

NORMAL(a)


Watts1010154

1049212

1066279

1047350

1000426


PPeerrffoorrmmaannccee aanndd EElleeccttrriiccaall DDaattaa

14 18-GF74D1-1K-EN


TEM6A0C36H31SB, TEM6A0C42H41SB COOLING AIRFLOW PERFORMANCE,WET COIL, NO FILTER, NO HEATEROUTDOORUNIT SIZE(TONS)

SPEEDSETTING

AIRFLOWSETTING



SW1 SW2 SW3 SW4 0.1 0.3 0.5 0.7 0.9

2.5


Watts76163

75598

719131

654163

560193


Watts86282

861120

834158

781196

700235


Watts962106

963147

948190

915234

863279

3


Watts961106

962147

947189

914233

862279


Watts1092146

1093192

1082240

1060288

1026337


Watts1231196

1231249

1221301

1203353

1175404

3.5


Watts1104150

1105197

1094245

1072293

1039343


Watts1258209

1258263

1248317

1229369

1201421


Watts1418286

1415347

1401406

1379462

1348516

4

LOW 308 CFM/ton OFF OFF OFF ON CFM

Watts1238199

1238253

1229306

1210357

1182408

NORMAL(a)


Watts1412282

1410344

1398404

1378462

1349517

HIGH 394 CFM/ton OFF OFF ON OFF CFM

Watts1570393

1528436

1473466

1406483

1326488



TEM6A0C36H31SB, TEM6A0C42H41SB HEATING AIRFLOW PERFORMANCE, NO FILTER, NO HEATEROUTDOORUNIT SIZE(TONS)

SPEEDSETTING

AIRFLOWSETTING



SW1 SW2 SW3 SW4 0.1 0.3 0.5 0.7 0.9

2.5


Watts86077

863115

838154

788193

707232


Watts94998

953138

937180

906224

852269


Watts1042122

1046166

1036212

1015259

980308

3


Watts1147154

1149203

1141253

1123303

1094353


Watts1277204

1279259

1272314

1255368

1228421


Watts1409260

1409323

1401383

1384442

1357500

3.5


Watts1222180

1224232

1216285

1200336

1174388


Watts1361240

1362300

1354358

1337415

1310471


Watts1497316

1478372

1449420

1408461

1356494

4


Watts1360239

1361299

1353358

1336415

1309470

NORMAL(a)


Watts1511325

1489380

1456426

1412464

1355493


Watts1659420

1605463

1535488

1450494

1349483



18-GF74D1-1K-EN 15


TEM6A0C48H41SB, TEM6A0C60H51SB COOLING AIRFLOW PERFORMANCE,WET COIL, NO FILTER, NO HEATEROUTDOORUNIT SIZE(TONS)

SPEEDSETTING

AIRFLOWSETTING



SW1 SW2 SW3 SW4 0.1 0.3 0.5 0.7 0.9

3


Watts99189

985133

974186

984237

994303


Watts1120118

1119167

1110224

1116279

1122333


Watts1282162

1286219

1281280

1280343

1282402

3.5


Watts1116117

1114165

1105222

1111277

1117331


Watts1263156

1266212

1261273

1261334

1263392


Watts1449218

1458287

1456352

1449421

1447496

4


Watts1207140

1208193

1201252

1203311

1207366


Watts1368190

1374252

1370315

1367381

1367448


Watts1564264

1577343

1577411

1567484

1561570

5


Watts1534251

1545328

1545394

1536467

1531550

NORMAL(a)


Watts1740344

1758444

1762518

1745594

1734684

HIGH (b) 399 CFM/ton OFF OFF ON OFF CFM

Watts1995484

2022629

2030717

2005783

1987828

(a) Factory Default Setting(b) Airflow must not exceed 1800 cfm in horizontal right, horizontal left, and downflow applications due to condensate blowoff. The 5 ton high tap shall not be

used in these applications.


TEM6A0C48H41SB, TEM6A0C60H51SB HEATING AIRFLOW PERFORMANCE, NO FILTER, NO HEATEROUTDOORUNIT SIZE(TONS)

SPEEDSETTING

AIRFLOWSETTING



SW1 SW2 SW3 SW4 0.1 0.3 0.5 0.7 0.9

3


Watts1097112

1094160

1086216

1092271

1099326


Watts1215142

1216196

1210255

1211314

1215369


Watts1333178

1338238

1333300

1331365

1332428

3.5


Watts1232147

1234202

1228261

1229322

1233377


Watts1366189

1373252

1369314

1366381

1365447


Watts1500238

1511311

1510377

1502449

1498529

4


Watts1364188

1370251

1366313

1363379

1363446


Watts1509241

1520315

1519382

1511453

1506535


Watts1659305

1674395

1676466

1662541

1654632

5


Watts1637295

1652383

1653453

1641528

1632618

NORMAL(a)


Watts1814381

1834493

1839570

1820645

1807730


Watts1990481

2017625

2025713

2000779

1982826



16 18-GF74D1-1K-EN


TEM6A0D48H41SB, TEM6A0D60H51SB COOLING AIRFLOW PERFORMANCE,WET COIL, NO FILTER, NO HEATEROUTDOORUNIT SIZE(TONS)

SPEEDSETTING

AIRFLOWSETTING



SW1 SW2 SW3 SW4 0.1 0.3 0.5 0.7 0.9

3


Watts97987

978126

959170

922217

867269


Watts1111124

1113168

1101215

1075265

1036317


Watts1252165

1259214

1254264

1239314

1212364

3.5


Watts1111124

1113168

1101215

1075265

1036317


Watts1259167

1266217

1261267

1246317

1220368


Watts1419223

1428279

1425334

1411389

1386444

4


Watts1241161

1248210

1243259

1227309

1201359


Watts1407218

1416273

1413328

1399383

1373437


Watts1583296

1593359

1594422

1586485

1570547

5


Watts1478249

1487307

1486365

1474423

1452481

NORMAL(a)


Watts1671344

1681412

1684479

1678545

1635565


Watts1880476

1892556

1900635

1902714

1760650



TEM6A0D48H41SB, TEM6A0D60H51SB HEATING AIRFLOW PERFORMANCE, NO FILTER, NO HEATEROUTDOORUNIT SIZE(TONS)

SPEEDSETTING

AIRFLOWSETTING



SW1 SW2 SW3 SW4 0.1 0.3 0.5 0.7 0.9

3


Watts1087111

1091153

1081199

1055249

1015301


Watts1205139

1213186

1211234

1198283

1173333


Watts1322175

1333227

1332279

1321332

1297384

3.5


Watts1219143

1228191

1226240

1213289

1189339


Watts1351184

1363237

1363290

1351344

1328397


Watts1482232

1495291

1497349

1489408

1471466

4


Watts1405201

1417256

1418311

1408367

1385422


Watts1555262

1568323

1572385

1567447

1553509


Watts1703334

1717403

1723472

1722540

1665560

5


Watts1625294

1639359

1644424

1641489

1630554

NORMAL(a)


Watts1797384

1812459

1820533

1822606

1750615


Watts1970495

1986581

1999667

2010740

1910680



18-GF74D1-1K-EN 17

Table 14. Electrical Data

TEM6A0B24H21SB HEATER DATA

Heater Model No.No. ofCircuits/Phases

240 Volt 208 VoltCapacity Heater

Amps perCircuit

MinimumCircuitAmpacity

MaximumOverloadProtection

Capacity HeaterAmps perCircuit


MaximumOverloadProtectionkW BTUH kW BTUH

No Heater 2.5 * 3 15 2.5 * 3 15BAYHTR1504BRKBAYHTR1504LUG 1/1 3.84 13100 16.0 23 25 2.88 9800 13.8 20 20

BAYHTR1505BRKBAYHTR1505LUG 1/1 4.80 16400 20.0 28 30 3.60 12300 17.3 25 25



BAYHTR1517BRKCircuit 1 (a)

2/19.60 32800 40.0 53 60 7.20 24600 34.6 46 50

BAYHTR1517BRKCircuit 2 4.80 16400 20.0 25 25 3.60 12300 17.3 22 25

BAYHTR3510LUG 1/3 9.60 32800 23.1 32 35 7.20 24600 20.0 28 30

BAYHTR3517LUG 1/3 14.40 49100 34.6 46 50 10.80 36900 30.0 40 45

* = Motor Amps(a) MCA and MOP for circuit 1 contains the motor amps


TEM6A0B30H21SB HEATER DATA



Amps perCircuit











2/19.60 32800 40.0 55 60 7.20 24600 34.6 49 50


BAYHTR3510LUG 1/3 9.60 32800 23.1 34 35 7.20 24600 20.0 30 30

BAYHTR3517LUG 1/3 14.40 49100 34.6 48 50 10.80 36900 30.0 42 45



18 18-GF74D1-1K-EN


TEM6A0C36H31SB, TEM6A0C42H41SB HEATER DATA



Amps perCircuit











2/19.60 32800 40.0 55 60 7.20 24600 34.6 49 50



2/19.60 32800 40.0 55 60 7.20 24600 34.6 49 50


BAYHTR3510LUG 1/3 9.60 32800 23.1 34 35 7.20 24600 20.0 30 30

BAYHTR3517LUG 1/3 14.40 49100 34.6 48 50 10.80 36900 30.0 42 45



18-GF74D1-1K-EN 19


TEM6A0C48H41SB, TEM6A0C60H51SB HEATER DATA



Amps perCircuit











2/19.60 32800 40.0 59 60 7.20 24600 34.6 52 60



2/19.60 32800 40.0 59 60 7.20 24600 34.6 52 60



4/1

6.00 20500 25.0 40 40 4.50 15400 21.6 36 40




BAYHTR3510LUG 1/3 9.60 32800 23.1 36 40 7.20 24600 20.0 33 35

BAYHTR3517LUG 1/3 14.40 49100 34.6 51 60 10.80 36900 30.0 45 45



20 18-GF74D1-1K-EN


TEM6A0D48H41SB, TEM6A0D60H51SB HEATER DATA



Amps perCircuit











2/19.60 32800 40.0 59 60 7.20 24600 34.6 52 60



2/19.60 32800 40.0 59 60 7.20 24600 34.6 52 60



4/1

6.00 20500 25.0 40 40 4.50 15400 21.6 36 40




BAYHTR3510LUG 1/3 9.60 32800 23.1 36 40 7.20 24600 20.0 33 35

BAYHTR3517LUG 1/3 14.40 49100 34.6 51 60 10.80 36900 30.0 45 45



18-GF74D1-1K-EN 21

Minimum Airflow CFMTEM6A0B24H21SB, TEM6A0B30H21SB

Heater MinimumHeater Airflow CFMWith Heat Pump Without Heat Pump

BAYHTR1504BRK, BAYHTR1504LUGBAYHTR1505BRK, BAYHTR1505LUG 660 600

BAYHTR1508BRK, BAYHTR1508LUG 780 600


BAYHTR1517BRK 1050 850BAYHTR3510LUG 780 600BAYHTR3517LUG 900 850

TEM6A0C36H31SB, TEM6A0C42H41SB





BAYHTR1517BRK 1000 820BAYHTR3510LUG 875 820BAYHTR3517LUG 1000 950BAYHTR1523BRK 1300 1140

TEM6A0C48H41SB, TEM6A0C60H51SB





BAYHTR1517BRK 1365 975BAYHTR3510LUG 1300 975BAYHTR3517LUG 1365 1120BAYHTR1523BRK 1365 1300BAYHTR1525BRK 1810 1505

TEM6A0D48H41SB, TEM6A0D60H51SB





BAYHTR1517BRK 1300 1125BAYHTR3510LUG 1150 975BAYHTR3517LUG 1300 1125BAYHTR1523BRK 1380 1125BAYHTR1525BRK 1550 1345

22 18-GF74D1-1K-EN

TEM6A0B24H21SB, TEM6A0B30H21SB Airflow Performancewith Auxiliary Heat

Airflow SettingsDip Switch Settings

Nominal AirflowSee following tables forheater application:- Pressure Drop forElectrical Heaters- Minimum HeatingAirflow Matrix (on unit

nameplates)

Switch 7 Switch 8

Low ON ON 601

Med-Lo OFF ON 661

Med-Hi ON OFF 781

High OFF OFF 973

TEM6A0C36H31SB, TEM6A0C42H41SB Airflow Performancewith Auxiliary Heat



nameplates)

Switch 7 Switch 8

Low ON ON 696

Med-Lo OFF ON 825

Med-Hi ON OFF 1150

High OFF OFF 1298

TEM6A0C48H41SB, TEM6A0C60H51SB Airflow Performancewith Auxiliary Heat



nameplates)

Switch 7 Switch 8

Low ON ON 1000

Med-Lo OFF ON 1130

Med-Hi ON OFF 1354

High OFF OFF 1596

TEM6A0D48H41SB, TEM6A0D60H51SB Airflow Performancewith Auxiliary Heat



nameplates)

Switch 7 Switch 8

Low ON ON 997

Med-Lo OFF ON 1129

Med-Hi ON OFF 1350

High OFF OFF 1597

MMiinniimmuumm AAiirrffllooww CCFFMM

18-GF74D1-1K-EN 23

Outline Drawing

NOTE: THIS UNIT IS APPROVED FOR INSTALLATION CLEARANCES TO COMBUSTIBLE MATERIAL AS STATED ON THE UNIT RATING NAMEPLATE

PRODUCT DIMENSIONS

Air Handler Model A B C D E F H FlowControl

Gas LineBraze

TEM6A0B24, 30 46.77 18.50 16.50 16.75 4.68 7.33 20.09 TXV 3/4

TEM6A0C36, 42 51.27 23.50 21.50 21.75 7.01 9.66 24.59 TXV 7/8

TEM6A0C48, 60 55.87 23.50 21.50 21.75 4.68 9.66 27.19 TXV 7/8

TEM6A0D48, 60 53.87 26.50 24.50 24.75 7.01 9.66 27.19 TXV 7/8

All dimensions are in inches

24 18-GF74D1-1K-EN

Heater Pressure Drop Table

AirflowCFM

Number of Racks Heater Racks

1 2 3 4 Heater Model No. of Racks

Air Pressure Drop — Inches W.G. BAYHTR1504 1

1800 0.02 0.04 0.06 0.14 BAYHTR1505 1

1700 0.02 0.04 0.06 0.14 BAYHTR1508 2

1600 0.02 0.04 0.06 0.13 BAYHTR1510 2

1500 0.02 0.04 0.06 0.12 BAYHTR1516 3

1400 0.02 0.04 0.06 0.12 BAYHTR1517 3

1300 0.02 0.04 0.05 0.11 BAYHTR3510 3

1200 0.01 0.04 0.05 0.10 BAYHTR3517 3

1100 0.01 0.03 0.05 0.09 BAYHTR3515 3

1000 0.01 0.03 0.04 0.09 BAYHTR1522 4

900 0.01 0.03 0.04 0.08 BAYHTR1523 4

800 0.01 0.03 BAYHTR1525 4

700 0.01 0.02

600 0.01 0.02

Subcooling AdjustmentSystemMatched with: Indoor Unit Model No. Outdoor Model No. Subcooling

16 SEER HP — 2 ton TEM6A0C36H31 4TWR6024H1000A4TWX6024H1000A4A6H6024H1000A

13 Degrees

15 SEER HP — 2 ton TEM6A0B24H21TEM6A0B30H21

4TWR5024G1000A4A6H5024G1000A

14 Degrees

15 SEER HP — 3 ton TEM6A0B30H21TEM6A0C36H31TEM6A0C42H41

4TWR5036G1000A4A6H5036G1000A

14 Degrees

All other matches must be charged per the nameplate charging instructions

Subcooling Adjustment for TEM6A0C48H41 & TEM6A0C60H51Sub-Cooling Charge Specification For AHRI Rated Performance

OD Equipment Up Flow / Horizontal Down Flow

AC UNIT OD Name Plate OD Name Plate

HP UNIT ≤ 3.5 Tons OD Name Plate OD Name Plate+ 4 Degrees

HP UNIT = 4 and 5 Tons OD Name Plate OD Name Plate

18-GF74D1-1K-EN 25

Coil Conversion InstructionsTable 19. Downflow

Follow the conversion steps when installing the air handler indownflow configuration.

1. Remove the front panels from the air handler. The coil and line setpanel do not need to be separated.

2. Remove the fasteners on both sides of the coil.

Note: The TEM6A0C48 and TEM6A0C60 will have a coil retainingbracket and a shipping bracket. All other coils will havetwo coil retaining brackets.

3. Remove the two screws holding the center horizontal bracket androtate out of place. Retain parts.

Figure 4. TEM8A0C48 and TEM8A0C60 Only

Figure 5. All other models

4. For the TEM6A0C48 and TEM6A0C60, remove the drain pansupport bracket at the top of the drain pan and discard.

Note: The drain pan support bracket should be removed to avoidtearing the cabinet insulation.

26 18-GF74D1-1K-EN

Table 19. Downflow (continued)

5. Slide the coil assembly out. Remove and discard the horizontaldrain pan.



6. On both sides of the cabinet, remove the two screws that hold thecoil support brackets and retain for later use. Seal the holes toprevent air leakage.

7. Rotate and lift the two coil support brackets to remove from frontslots in cabinet.

Figure 8. All models

8. Bend the two tabs on each of the coil support brackets. Tabsshould be bent inward so they are parallel to the bottom flange.


Left

Right

CCooiill CCoonnvveerrssiioonn IInnssttrruuccttiioonnss

18-GF74D1-1K-EN 27


9. Rotate the unit into the downflow orientation.

10. Pre-drill four clearance holes in the cabinet at dimples locatedbelow the location the screws were removed for the coil supportbrackets. There are two holes per side. See location of holes

11. Replace the center horizontal bracket removed in Step 3. Use thescrews retained from Step 3 to attach.

12. Place coil support brackets into the lower set of slots and rotateinto place. Push downward to lock into place.

13. Secure each bracket with 2 screws that were previously removed.


14. For the TEM6A0C48 and TEM6A0C60models, remove the twoshipping brackets from the coil and discard.


Shipping Brackets

Rear Viewof Coil


28 18-GF74D1-1K-EN


Note: It is recommended to remove the shipping brackets from theTEM6A0C48 and TEM6A0C60.

15. Slide the coil assembly back into the air handler cabinet as shown.

16. Remove the appropriate knock out for the condensate piping.

Figure 12. TEM8A0C48 and TEM8A0C60 Only Figure 13. All other models

17. Replace all panels




18-GF74D1-1K-EN 29

Coil ConversionTable 20. Horizontal Right

Follow the conversion steps when installing the air handler inhorizontal right configuration.

1. Remove the front panels from the air handler. The coil and line setpanel do not need to be separated.

2. Remove the fasteners on both sides of the coil. Retain the coilretaining brackets and screws.

Note: The TEM6A0C48 and TEM6A0C60 will have a coil retainingbracket and a shipping bracket. All other coils will havetwo coil retaining brackets.

3. Remove the two screws holding the center horizontal bracket androtate out of place. Retain parts.

Figure 16. TEM8A0C48 and TEM8A0C60 Only Figure 17. All other models

4. Make note of the horizontal drain pan orientation (up/down).

5. For the TEM6A0C48 and TEMA0C60, remove the drain pansupport bracket at the top of the drain pan and retain for lateruse.

Note: The drain pan support bracket should be removed to avoidtearing the cabinet insulation.Figure 18. TEM6A0C48 and TEM6A0C60 Only


30 18-GF74D1-1K-EN

Table 20. Horizontal Right (continued)

6. Slide the coil assembly out.

7. Change location of the front and rear water diverter brackets byremoving the screws on the water diverter brackets that arelocated on the left side of the coil. Attach the water diverters tothe right hand side of the coil using the same screws.

Important: The coil slabs are different and the mount hole locationswill vary. See the illustrations on the following pages thatcorrespond to the unit tonnage to see the correctmounting position of the water diverter bracket.

Important: The water diverter brackets are not symmetrical and willvary by tonnage.

Important: There is no change required for the TEM6A0C48 andTEM6A0C60 water diverters.




18-GF74D1-1K-EN 31


Figure 21.

Remove 2 screwsand water diverterbracket

TEM6A0B24 and TEM6A0B30 - Front view

Figure 22.

Screw is located insecond hole ontube sheet

TEM6A0B24 and TEM6A0B30 - Front view

Replace 2 screwsand water diverterbracket

Figure 23.

TEM6A0B24 and TEM6A0B30 - Rear view


Figure 24.


Replace waterdiverter bracket

TEM6A0B24 and TEM6A0B30 - Rear view


32 18-GF74D1-1K-EN


Figure 25.


TEM6A0C36 and TEM6A0C42 models -Front view

Figure 26.



TEM6A0C36 and TEM6A0C42 models-Front view

Figure 27.


TEM6A0C36 and TEM6A0C42 models -Rear view

Figure 28.

Screw is located inuppermost hole ontube sheet


TEM6A0C36 and TEM6A0C42 models -Rear view


18-GF74D1-1K-EN 33


Figure 29.

TEM6A0D48 and TEM6A0D60 models- Front view


Figure 30.


TEM6A0D48 and TEM6A0D60 models - Front view


Figure 31.

TEM6A0D48 and TEM6A0D60 models - Rear view


Figure 32.

TEM6A0D48 and TEM6A0D60 models- Rear view



Important: There is no change required for the TEM6A0C48 andTEM6A0C60 water diverters.


34 18-GF74D1-1K-EN


8. For the TEM6A0C48 and TEM6A0C60models, remove the twoshipping brackets from the coil and discard.


Shipping Brackets

Rear Viewof Coil

9. Relocate the horizontal drain pan from the left side of the coil tothe right side.

10. Remove the two drain plugs and the drain pan support bracketfrom the front of the drain pan and insert them in the drains at therear of the drain pan.

Note: For the TEM6A0C48 and TEM6A0C60, the drain pansupport bracket should have been removed earlier.


Important:When reinstalling coil in Step 12, it is important that thecoil corner locks in place under the tab in the side bracketto support the coil weight horizontally.



18-GF74D1-1K-EN 35


11. Reinstall the drain pan support bracket. The bracket should belocated between the two drain plugs as shown.

Note: For the TEM6A0C48 and TEM6A0C60 models only, to avoidtearing the interior insulation, the drain pan support bracketshould be installed after the coil has been put into the unit inStep 12.


12. Slide the coil assembly back into the air handler cabinet.

Important:Make sure that the coil corner locks in place underthe tab in the side left bracket to support the coilweight in the horizontal right position.

13. For the TEM6A0C48 and TEMA0C60 only, install the drain pansupport bracket on the top of the drain pan opposite the drainports and as close to the end as possible



36 18-GF74D1-1K-EN


14. Replace the center horizontal bracket using screws removedearlier in Step 3.

15. Replace the two coil retaining brackets removed in a previousstep.

Note: The TEM6A0C48 and TEM6A0C60 will have only one coilretaining bracket.

16. Replace all panels.




18-GF74D1-1K-EN 37

Checkout Procedures

The final phase of the installation is the system Checkout Procedures. The following list represents the most common items covered in aCheckout Procedure. Confirm all requirements in this document have been met.

All wiring connections are tight and properly secured.

Voltage and running current are within limits.

All refrigerant lines (internal and external to equipment) areisolated, secure, and not in direct contact with each other orstructure.

All braze connections have been checked for leaks. A vacuum of350 microns provides confirmation that the refrigeration systemis leak free and dry.

Final unit inspection to confirm factory tubing has not shiftedduring shipment. Adjust tubing if necessary so tubes do not rubagainst each other or any component when unit runs.

Ductwork is sealed and insulated.

All drain lines are clear with joints properly sealed. Pour waterinto drain pan to confirm proper drainage. Provide enough waterto ensure drain trap is primed.

Supply registers and return grilles are open, unobstructed, andair filter is installed.

Indoor blower and outdoor fan are operating smoothly andwithout obstruction.

Indoor blower motor set on correct speed setting to deliverrequired CFM. “Blower and fan set screws are tight.”

Cover panels are in place and properly tightened.

For gas heating systems, manifold pressure has been checkedand all gas line connections are tight and leak free.

For gas heating systems, flue gas is properly vented.

System functions safely and properly in all modes.

Owner has been instructed on use of system and given manual.

38 18-GF74D1-1K-EN

NNootteess

18-GF74D1-1K-EN 39

NNootteess

Ingersoll Rand (NYSE: IR) advances the quality of life by creating comfortable, sustainable and efficientenvironments. Our people and our family of brands — including Club Car®, Ingersoll Rand®, Thermo King® andTrane® —work together to enhance the quality and comfort of air in homes and buildings; transport and protectfood and perishables; and increase industrial productivity and efficiency. We are a global business committed to aworld of sustainable progress and enduring results.

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Ingersoll Rand has a policy of continuous product and product data improvements and reserves the right to change design and specificationswithout notice.We are committed to using environmentally conscious print practices.

18-GF74D1-1K-EN 08 Mar 2018

Supersedes 18-GF74D1-1J-EN (January 2018) ©2018 Ingersoll Rand

Installer's Guide Convertible Air Handlers 2-5 Ton TEM6

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Transcript of Installer's Guide Convertible Air Handlers 2-5 Ton TEM6