WallMountedS30-36AHP-ServiceManual

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    LG RoomAir Conditioner

    SERVICE MANUAL

    LG

    MODELS: AS-C306M Series

    AS-H306M Series AS-C366N Series AS-H366N Series

    CAUTION

    website http://www.lgservice.com

    BEFORE SERVICING THE UNIT, READ THE SAFETYPRECAUTIONS IN THIS MANUAL.

    ONLY FOR AUTHORIZED SERVICE PERSONNEL.

    Service Manual S30AHP (AS-H306MLM0) A20347D.pdf

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    Service Manual 3

    LG Model Name2004

    1 2 - 3 4 5 6 7 8 9 10

    Code Type Code of Model Meaning

    1 Producing Center, A~Z L: Chang-won R22 N: IndiaRefrigerant A: Chang-won R410A Z: Brazil

    C: Chang-won R407C D: IndonesiaT: China M: MexicoK: Turkey R22 V: VietnamE: Turkey R410A S: Out SourcingH: Thailand

    2 Product Type A~Z S: Split Type Air Conditioner

    3 Cooling/Heating/Inverter A~Z C: Cooling onlyH: Heat pumpX: C/O + E/HeaterZ: H/P + E/Heater

    V: AC Inverter C/ON: AC Inverter H/PQ: DC Inverter C/OW: DC Inverter H/P

    4, 5 Capacity 0~9 Cooling/Heating CapacityEx. "09" 9,000 Btu/h

    6 Electric Range 1~9 1: 115V/60Hz, A: 220V, 50Hz, 3PhaseA~Z 2: 220V/60Hz B: 208~230V, 60Hz, 3Phase

    3: 208-230V/60Hz C: 575V, 50Hz, 3Phase5: 200-220V/50Hz D: 440~460, 60Hz, 3Phase6: 220-240V/50Hz E: 265V, 60Hz7: 110V, 50/60Hz F: 200V, 50/60Hz8: 380-415V/50Hz9: 380-415V/60Hz

    7 Chassis A~Z Name of Chassis of UnitEx. LSP SP Chassis

    8 Look A~Z Look,Color (Artcool Model)

    9 Function A~Z

    10 Serial No. 1~9 LG Model De

    * ARTCOOL COLOR

    velopment Serial No.

    Basic ABasic+4Way BPlasma Filter CPlasma Filter+4 Way DTele+LCD ETele+LCD+Nano plasma+4Way FNano Plasma F+(A/changeove)+A/clean+Low A GNano Plasma F+(A/changeove)+A/clean+4way+Low A HTele+LED+4way IInternet JPlasma F+4Way+Oxy generator KNano Plasma F+(A/changeove)+A/clean LNano Plasma F+(A/changeove)+A/clean+4way MNano Plasma F+(A/changeove)+A/clean+PTC NNano Plasma F+(A/changeove)+Autoclean+4way+PTC PNano Plasma F+(A/changeove)+A/clean+4way+Low A+PTC QNegative ION+A/Clean R(Nano)Plasma+Negative ION+A/Clean S4way+(Nano)Plasma F+Negative ION+Healthy dehumidification+A/Clean TNano Plasma F+4Way+(A/changeove)+A/clean+ U

    R MirrorW WhiteB BlueD WoodM MetalC Cherry

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    4 Room Air Conditioner

    Safety Precautions

    Safety PrecautionsTo prevent injury to the user or other people and property damage, the following instructions mustbe followed.I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is

    classified by the following indications.

    I Meanings of symbols used in this manual are as shown below.

    This symbol indicates the possibility of death or serious injury.

    This symbol indicates the possibility of injury or damage to properties only.

    Be sure not to do.

    Be sure to follow the instruction.

    Do not use damaged power cords, plugs, or aloose socket.

    Always use the power plug and socket with theground terminal.

    There is risk of fire of electric shock. There is risk of electric shock.

    Install the panel and the cover of control boxsecurely.

    .Do not modify or extend the power cord.

    There is risk of fire of electric shock. No grounding may cause electric shock.

    I Installation

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    Service Manual 5

    Safety Precautions

    Do not install the product on a defective instal-lation stand.

    Be sure the installation area does notdeteriorate with age.

    It may cause injury, accident, or damage to theproduct.

    If the base collapses, the air conditioner could fallwith it, causing property damage, product failure,and personal injury.

    Sharp edges could cause injury. Be especially care-ful of the case edges and the fins on the condenserand evaporator.

    There is risk of fire, electric shock, explosion, or injury.

    Be cautious when unpacking and installing the

    product.

    For installation, always contact the dealer or

    an Authorized service center

    For re-installation of the installed product,always contact a dealer or an authorized ser-vice center.

    Do not install, remove, or re-install the unit byyourself.

    There is risk of fire, electric shock, explosion, orinjury.

    There is risk of fire, electric shock, explosion, orinjury.

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    6 Room Air Conditioner

    Safety Precautions

    I Operation

    Do not turn the air-conditioner ON or OFF byplugging or unplugging the power plug.

    Use a dedicated outlet for this appliance.

    There is risk of fire or electrical shock. There is risk of fire or electrical shock.

    Grasp the plug to remove the cord from the

    outlet. Do not touch it with wet hands.

    Do not place a heater or other appliances near

    the power cable.

    There is risk of fire or electrical shock. There is risk of fire and electric shock.

    Do not allow water to run into electrical parts. Do not store or use flammable gas or com-bustibles near the air conditioner.

    There is risk of fire, failure of the product, or electricshock.

    There is risk of fire or failure of product.

    W a x T h in n er

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    Service Manual 7

    Safety Precautions

    Always check for gas (refrigerant) leakage afterinstallation or repair of product.

    Install the drain hose to ensure that water isdrained away properly.

    Low refrigerant levels may cause failure of product. A bad connection may cause water leakage.

    Keep level even when installing the product. Use two or more people to lift and transportthe air conditioner.

    To avoid vibration or water leakage. Avoid personal injury.

    I Installation

    90

    Unplug the unit if strange sounds, odors, orsmoke comes from it.

    Be cautious that water could not enter theproduct.

    There is risk of electric shock or fire. There is risk of fire, electric shock, or product dam-age.

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    8 Room Air Conditioner

    Use a soft cloth to clean. Do not use harshdetergents, solvents, etc.

    Do not touch the metal parts of the productwhen removing the air filter. They are verysharp!

    There is risk of fire, electric shock, or damage to theplastic parts of the product.

    There is risk of personal injury.

    Do not step on or put anyting on the product.(outdoor units)

    Do not insert hands or other objects throughthe air inlet or outlet while the air conditioneris plugged in.

    There is risk of personal injury and failure of product. There are sharp and moving parts that could causepersonal injury.

    I Operation

    W a x

    Safety Precautions

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    Service Manual 9

    Dimensions

    Tubing hole cover

    Tubing hole cover

    Installation plate

    DW

    H

    W

    H

    Tubing hole cover

    Tubing hole cover

    Installation plate

    D

    W

    H

    Tubing hole cover

    Tubing hole cover Installation plate

    D

    Indoor Unit

    This symbol alerts you to the risk of electric shock.This symbol alerts you to hazards that could cause harm to theair conditioner.

    This symbol indicates special notes.NOTICE

    Symbols Used in this Manual

    W mm 1,259 1,499

    H mm 349 349

    D mm 205 205

    Model

    DimensionSM CHASSIS SN CHASSIS

    Dimensions

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    10 Room Air Conditioner

    Outdoor Unit

    Dimensions

    MODELDIM

    W

    L7 L6 L8 L9

    D L 1

    L 2

    L 3

    L 1 0

    L 1 1

    L 4

    L 5

    HGas side3-way valveLiquid side3-way valve

    W mm 870H mm 800D mm 320L1 mm 370L2 mm 340L3 mm 25L4 mm 775

    L5 mm 25L6 mm 546L7 mm 162L8 mm 162L9 mm 54

    L10 mm 79L11 mm 76.4

    30k SERIES

    30k

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    Service Manual 11

    Dimensions

    L6L7 L8L9

    L 4

    H

    L 5

    W

    D L 1

    L 3

    L 2

    L 1 0

    L 1 1

    Gas side3-way valve

    Liquid side3-way valve

    36k SERIESMODEL

    DIM

    W mm 870

    H mm 1038

    D mm 320

    L1 mm 360

    L2 mm 340

    L3 mm 25

    L4 mm 1035L5 mm 25

    L6 mm 546

    L7 mm 160

    L8 mm 160

    L9 mm 44

    L10 mm 75

    L11 mm 80

    36k

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    12 Room Air Conditioner

    Product Specifications

    Product Specifications

    Cooling Capacity BTU/h(kcal/h)W

    Heating Capacity BTU/h(kcal/h)W

    Moisture Removal l /hPower Source , V, Hz

    Air Circulation m3 /min

    Noise Level dB(A)3

    Input W

    Runnig Current A

    Starting Current A

    E.E.R. BTU/h-WC.O.P W/W

    Motor Output W

    Dimensions mm(W x H x D)

    Net. Weight kg

    Refrigerant(R410A) gAirflow Direction Control (Up & Down)Airflow Direction Control (Right & Left)Negative lonAir Purifying FilterDeicerHot StartChaos Wind

    Micom DryTimerSelf DiagnosisRemocon type

    Service valve

    Sleeping OperationDrain HoseConnecting CablePower Cord

    28,000(7,051) 28,000(7,051) 34,000(8,568) 34,000(8,568)8,211 8,211 9,964 9,964

    - 29,000(7,313) - 35,500(8,945)

    - 8,504 - 10,404

    3.4 3.4 3.85 3.85

    1, 220~240V, 50Hz 1, 220~240V, 50Hz 1, 220~240V, 50Hz 1, 220~240V, 50Hz

    19.8 19.8 26 26

    58 58 58 58

    46 46 47 47

    58 58 58 58

    3,100 3,100 3,700 3,700

    - 3,200 - 3,70013.5 13.5 17 17

    - 14.0 - 17

    80 80 92 92

    - 80 - 92

    9.03 9.03 9.19 9.19

    - 2.66 - 2.77

    47 47 65 65

    80 80 50 50

    1,259 x 349 x 205 1,259 x 349 x 205 1,499 x 349 x 205 1,499 x 349 x 205

    870 x 800 x 320 870 x 800 x 320 870 x 1038 x 320 870 x 1038 x 320

    20 20 25 25

    72 72 77 77

    2350 2350 2750 2750

    YES YES YES YES

    OPTION OPTION OPTION OPTION

    NO NO NO NO

    YES YES YES YES

    NO YES NO YES

    NO YES NO YES

    YES YES YES YES

    YES YES YES YES24hr, ON/OFF 24hr, ON/OFF 24hr, ON/OFF 24hr, ON/OFF

    YES YES YES YES

    L.C.D Wireless L.C.D Wireless L.C.D Wireless L.C.D Wireless

    3/8"(9.52) 3/8"(9.52) 3/8"(9.52) 3/8"(9.52)

    5/8"(15.88) 5/8"(15.88) 3/4"(19.05) 3/4"(19.05)

    YES YES YES YES

    YES YES YES YES

    0.75mm 2 0.75mm 2 0.75mm 2 0.75mm 2

    2.5mm2 2.5mm2 5.5mm2 5.5mm2

    Model Name

    Unit

    IndoorOutdoorIndoorOutdoorCooling

    HeatingCoolingHeatingCoolingHeatingCoolingHeatingIndoorOutdoorIndoorOutdoorIndoorOutdoor

    LiquidGas

    ItemAS-C306M SERIES AS-H306M SERIES AS-C366N SERIES AS-H366N SERIES

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    Service Manual 13

    Installation

    Installation

    Installation of Indoor, Outdoor unit 1) Select the best location

    1. Indoor unitI Do not have any heat or steam near the unit.I Select a place where there are no obstacles in

    front of the unit.I Make sure that condensation drainage can be

    conveniently routed away.I Do not install near a doorway.I Ensure that the space around the left and right of

    the unit is more than 30cm. The unit should beinstalled as high on the wall as possible, allowinga minimum of 12cm from ceiling.

    I Use a stud finder to locate studs to prevent

    unnecessary damage to the wall.

    2. Outdoor unitI If an awning is built over the unit to prevent direct sun-

    light or rain exposure, make sure that heat radiationfrom the condenser is not restricted.

    I Ensure that the space around the back and sides ismore than 10cm. The front of the unit should havemore than 70cm of space.

    I Do not place animals and plants in the path of thewarm air.

    I Take the air conditioner weight into account and selecta place where noise and vibration are minimum.

    I Select a place so that the warm air and noise from theair conditioner do not disturb neighbors.

    I Rooftop Installations:

    If the outdoor unit is installed on a roof structure, besure to level the unit. Ensure the roof structure andanchoring method are adequate for the unit location.Consult local codes regarding rooftop mounting.If the outdoor unit is installed on root structures or walls,this may result in excessive noise and vibration, andmaybe also classed as non serviceable installation.

    2) Piping length and elevation

    More than 12cmMore than

    30cm

    More than30cm

    More than 2.3m

    More than 10cm More than 10cm

    Morethan 60cm

    More than 60cm

    More than 70cm

    More than 10cm More than 10cm

    Morethan 60cm

    More than 60cm

    More than 70cm

    In case more than 5m

    Capacity is based on standard length and maximumallowance length is on the basis of reliability.

    Oil trap should be installed every 5~7 meters.

    Outdoor unit

    Indoor unit

    A

    B Outdoor unit

    Indoor unit

    A

    B

    CAUTION

    Install the indoor unit on the wall where the heightfrom the floors more than 2.3 meters.A minimum pipe run of 7.5 meters is required to min-imise vibration & excessive noise.

    CAUTION

    30k 5/8" 3/8" 7.5 15 30 3036k 3/4" 3/8" 7.5 20 30 50

    Pipe SizeCapacity(Btu/h) GAS LIQUID

    Max.lengthA (m)

    AdditionalRefrigerant

    (g/m)

    Max.Elevation

    B (m)

    StandardLength

    (m)

    36k

    30k

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    14 Room Air Conditioner

    Installation

    3) How to fix installation plateThe wall you select should be strong and solid enough to preventvibration

    1. Mount the installation plate on the wall with fourtype A screws. If mounting the unit on a concrete

    wall, use anchor bolts.

    Mount the installation plate horizontally byaligning the centerline using a level.

    2. Measure the wall and mark the centerline. It is alsoimportant to use caution concerning the locationof the installation plate-routing of the wiring topower outlets is through the walls typically.Drilling the hole through the wall for piping con-nections must be done safely.

    5 - 7 m m

    ( 0 . 2

    ~ 0

    . 3 " )

    IndoorWALL

    Outdoor

    Installation Plate

    Type "A" screw

    Right rear pipingLeft rear piping

    70mm195mm

    1 1 5 m m

    1 1 5 m m

    180mm

    Right rear piping

    30k

    36k

    Left rear piping

    50mm 70mm180mm

    1 1 5 m m

    4) Drill a hole in the wallI Drill the piping hole with a 70mm hole core drill.

    Drill the piping hole at either the right or the leftwith the hole slightly slanted to the outdoor side.

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    Service Manual 15

    Installation

    Flaring Work and Connection of Piping

    1) Flaring work Main cause for gas leakage is due to defect in flar-ing work. Carry out correct flaring work in the follow-ing procedure.

    1. Cut the pipes and the cable.I Use the piping kit accessory or the pipes

    purchased locally.I Measure the distance between the indoor and the

    outdoor unit.I Cut the pipes a little longer than measured

    distance.I Cut the cable 1.5m longer than the pipe length.

    2. Burrs removalI Completely remove all burrs from the cut cross

    section of pipe/tube.I Put the end of the copper tube/pipe in a down-

    ward direction as you remove burrs in order toavoid dropping burrs into the tubing.

    3. Putting nut onI Remove flare nuts attached to indoor and outdoor

    unit, then put them on pipe/tube having complet-ed burr removal.(not possible to put them on after flaring work)

    Copperpipe 90 Slanted Uneven Rough

    Bar

    Copper pipe

    Clamp handleRed arrow mark

    Cone

    Yoke

    Handle

    Bar " A "

    Pipe

    Reamer

    Point down

    4. Flaring work I Carry out flaring work using flaring tool as shown

    below.

    Firmly hold copper pipe in a die in the dimensionshown in the table above.

    5. Check I Compare the flared work with figure below.I If flare is noted to be defective, cut off the flared

    section and do flaring work again.

    mm inch mm6.35 1/4 0 ~ 0.59.52 3/8 0 ~ 0.512.7 1/2 0 ~ 0.5

    15.88 5/8 0 ~ 1.019.05 3/4 1.0 ~ 1.3

    Outside diameter A

    Flare nut

    Copper tube Inclined

    Inside is shiny without scratchesSmooth all round

    Even lengthall round

    Surfacedamaged

    Cracked Uneventhickness

    = Improper flaring =

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    16 Room Air Conditioner

    Installation

    2) Connection of piping-Indoor1. Remove the 2 screws of right side panel.

    2. Remove the front right side panel by the arrow.I The connector can be disconnected by pulling it

    while pressing the connector's hook.

    I Remove the 1 screw for fixing lower panel.

    3. Remove the lower panel by the arrow.I Take care not to scratch the wall and mat to

    drop.

    1. Route the indoor tubing and the drain hose in thedirection of rear left.

    2. Insert the connecting cable into the indoor unitfrom the outdoor unit through the piping hole.I Do not connect the cable to the indoor unit.

    I Make a small loop with the cable for easyconnection later.

    Right side panel

    Drain hoseMain PCB

    Lower panel

    Lower panel

    For left rear piping

    CAUTIONWhen install, make sure that theremaining parts must beremoved clearly so as not todamage the piping and drainhose, especially power cord andconnecting cable.

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    Service Manual 17

    Installation

    3. Tape the tubing, drain hose and the connectingcable. Be sure that the drain hose is located at thelowest side of the bundle. Locating at the upper sidecan cause drain pan to overflow inside the unit.

    3. Tape the tubing, drain hose and the connectingcable. Be sure that the drain hose is located at thelowest side of the bundle. Locating at the upper sidecan cause drain pan to overflow inside the unit.

    NOTE: If the drain hose is routed inside the room,insulate the hose with an insulation material*so that dripping from "sweating"(condensa-tion) will not damage furniture or floors.*Foamed polyethylene or equivalent is rec-ommended.

    4. Indoor unit installationI Hook the indoor unit onto the upper portion of the

    installation plate.(Engage the three hooks of therear top and rear lower of the indoor unit with theupper edge and lower edge of the installationplate.) Ensure that the hooks are properly seatedon the installation plate by moving it left and right.

    5. Connecting the pipings to the indoor unit and drainhose to drain pipe.I Align the center of the pipings and sufficiently

    tighten the flare nut by hand.

    I Tighten the flare nut with a wrench.

    I When extending the drain hose at the indoor unit,install the drain pipe.

    Connectingcable

    Loop

    Gas sidepiping

    Liquid side

    pipingDrain hose

    Installationplate

    Three upperhooks

    Installation plate

    Indoor unit

    Three lowerhooks

    Setting line

    Indoor unit tubing Flare nut Pipings

    Connection pipe

    Flare nut

    Indoor unit tubing

    Torque wrench

    Spanner (fixed)

    Vinyl tape(narrow)Adhesive

    Drain pipe

    Indoor unit drain hose

    Pipe Size[Torque]Capacity(Btu/h) GAS LIQUID

    30k 5/8"[6.6kg.m] 3/8"[4.2kg.m]

    36k 3/4"[6.6kg.m] 3/8"[4.2kg.m]

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    18 Room Air Conditioner

    Installation

    6. Wrap the insulation material around the connectingportion.I Overlap the connection pipe insulation material and

    the indoor unit pipe insulation material. Bind themtogether with vinyl tape so that there is no gap.

    I Wrap the area which accommodates the rear pip-ing housing section with vinyl tape.

    I Bundle the piping and drain hose together bywrapping them with vinyl tape over the range with-in which they fit into the rear piping housing sec-tion.

    1. Route the indoor tubing and the drain hose to therequired piping hole position.

    2. Insert the piping, drain hose and the connectingcable into the piping hole.

    3. Insert the connecting cable into the indoor unit.I Don't connect the cable to the indoor unit.

    I Make a small loop with the cable for easyconnection later.

    4. Tape the drain hose and the connecting cable.

    Connecting cable

    Plastic bandsInsulation material

    Drain hose

    Drain pipe

    Connecting cable

    Vinyl tape(narrow)

    Connectionpipe

    Connecting cable

    Vinyl tape(wide)

    Wrap with vinyl tape

    Indoorunit pipe

    Pipe

    Wrap with vinyl tape

    Drain hose

    Pipe

    Vinyl tape(wide)

    For right rear piping

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    Service Manual 19

    Installation

    5. Indoor unit installationI Hook the indoor unit onto the upper portion of the

    installation plate.(Engage the three hooks of therear top and rear lower of the indoor unit with theupper edge and lower edge of the installationplate.) Ensure that the hooks are properly seated

    on the installation plate by moving it left and right.

    6. Connecting the pipings to the indoor unit and thedrain hose to drain pipe.I Align the center of the pipings and sufficiently

    tighten the flare nut by hand.

    I Tighten the flare nut with a wrench.

    I When extending the drain hose at the indoor unit,install the drain pipe.

    7. Wrap the insulation material around the connectingportion.I Overlap the connection pipe heat insulation and the

    indoor unit pipe heat insulation material. Bind themtogether with vinyl tape so that there is no gap.

    I Wrap the area which accommodates the rearpiping housing section with vinyl tape.

    Installationplate

    Three upperhooks

    Installation plate

    Indoor unit

    Three lowerhooks

    Setting line

    Vinyl tapeAdhesive

    Drain hose

    Indoor unit drain hose

    (narrow)

    Plastic bands Insulation material

    Vinyl tape(narrow)

    Connectionpipe

    Connecting cable

    Indoorunit piping

    Pipe

    Vinyl tape(wide)

    Wrap with vinyl tape

    Indoor unit tubing Flare nut Pipings

    Torque wrench

    Indoor unit tubing

    Spanner (fixed)

    Connection pipe

    Flare nut

    30k 5/8"[6.6kg.m] 3/8"[4.2kg.m]

    36k 3/4"[6.6kg.m] 3/8"[4.2kg.m]

    Pipe Size[Torque]Capacity(Btu/h) GAS LIQUID

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    Service Manual 21

    Installation

    3) Connection of the drain hoseI The drain hose can be connected at two different

    positions. Use the most convenient position and, ifnecessary, exchange the position of the drainpan, rubber cap and the drain hose.

    Drain pan

    Rubber cap

    Drain hose

    Exchange if necessary

    I Remove the drain hose.

    I Securely insert both the rubber plug and drainhose into the drain outlets.Be sure the rubber the cap is securely fastenedso that there is no leakage.

    4) Connection of piping-Outdoor

    1. Align the center of the pipings and sufficientlytighten the flare nut by hand.

    2. Finally, tighten the flare nut with torque wrenchuntil the wrench clicks.

    I When tightening the flare nut with torque wrench,ensure the direction for tightening follows thearrow on the wrench.

    1

    2

    3

    4

    Outdoor unitGas side piping(Bigger diameter)

    Liquid sidepiping(Smallerdiameter)

    Torque wrench

    Gas side piping(Bigger diameter)

    Liquid side piping(Smaller diameter)

    Torque wrench

    30k 5/8"[6.6kg.m] 3/8"[4.2kg.m]

    36k 3/4"[6.6kg.m] 3/8"[4.2kg.m]

    Pipe Size[Torque]Capacity(Btu/h) GAS LIQUID

    30k

    36k

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    22 Room Air Conditioner

    Installation

    Connecting the cable between indoor unit and outdoor unit

    1) Connect the cable to the Indoor unit.I Connect the cable to the indoor unit by connect-

    ing the wires to the terminals on the controlboard individually according to the outdoor unitconnection. (Ensure that the color of the wires of theoutdoor unit and the terminal No. are the same asthose of the indoor unit.)

    REDBLUEBROWN

    4(N)Terminals on the indoor unit 3(L) 5

    4(N)Terminals on the outdoor unitColor of Wires

    POWER INPUT

    Color of Wires

    3(L)2(N)1(L) 5

    G/Y

    REDBLUEBROWNG/Y

    The power cord connected to the outdoor unitshould be complied with the followingspecifications (Rubber insulation, type H05RN-Fapproved by HAR or SAA).

    The connecting cable connected to the indoorand outdoor unit should be complied with thefollowing specifications (Rubber insulation, typeH07RN-F approved by HAR or SAA).

    CAUTION

    8 . 5 m m

    2 0 m m

    G N / Y L

    NORMALCROSS-SECTIONALAREA 2.5mm 2

    8 . 5 m m

    2 0 m m

    G N / Y L

    NORMALCROSS-SECTIONALAREA 5.5mm 2

    2 0 m m

    G N / Y L

    NORMALCROSS-SECTIONALAREA 0.75mm 2

    7 . 5 m m

    30k

    36k

    If a power plug is not to be used,provide a circuit breaker betweenpower source and the unit as

    shown below.

    CAUTION

    AirConditioner

    Main power source

    Circuit BreakerUse a circuit breakeror time delay fuse.

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    24 Room Air Conditioner

    Installation

    1) Checking the drainage1. Remove the right side panel.

    2. Remove the lower panel by the arrow.

    3. Remove the left side panel.(Remove the two screws.)

    4. To check the drainage.I Pour a glass of water on the drain pan.

    I Ensure the water flows through the drain hose ofthe indoor unit without any leakage and goes outthe drain exit.

    5. Drain pipingI The drain hose should point downward for easy

    drain flow.

    I Do not make drain piping.

    Right side panel

    Downward slope

    Do not raise Accumulateddrain water

    Tip of drain hosedipped in water

    Air

    WavingWaterleakage

    Waterleakage Ditch

    Less than50mm gap

    Waterleakage

    Lower panel

    Left side panel

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    Service Manual 25

    Installation

    2) Form the piping1. Form the piping by wrapping the connecting por-

    tion of the indoor unit with insulation material andsecure it with two kinds of vinyl tapes.I If you want to connect an additional drain hose,

    the end of the drain outlet should be routed above

    the ground. Secure the drain hose appropriately.

    2. In cases where the outdoor unit is installed belowthe indoor unit perform the following.I Tape the piping, drain hose and connecting cable

    from down to up.

    I Secure the tapped piping along the exterior wallusing saddle or equivalent.

    3. In cases where the Outdoor unit is installed abovethe Indoor unit perform the following.I Tape the piping and connecting cable from down

    to up.

    I Secure the taped piping along the exterior wall.Form a trap to prevent water entering the room.

    I Fix the piping onto the wall by saddle or equiva-lent.

    ; ;

    ; ;

    Taping

    Drainhose

    PipingsConnectingcable

    Trap is required to prevent waterfrom entering into electrical parts.

    Seal small openingsaround pipings with agum type sealer.

    Trap is required to prevent water from enteringinto electrical parts.

    Plasticband

    TapingDrain hose

    Pipings

    Connectingcable

    Power supplycord

    Seal a small openingaround the pipings withgum type sealer.

    ; ;

    ; ;

    Seal a small openingaround the pipingswith gum type sealer.

    Trap

    Trap

    Seal a small openingaround the pipingswith gum type sealer.

    Trap

    Trap

    30k

    30k

    36k

    36k

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    26 Room Air Conditioner

    AIR PURGING

    Installation

    1) Air purgingAir and moisture remaining in the refrigerant systemhave undesirable effects as indicated below.I Pressure in the system rises.I Operating current rises.I Cooling(or heating) efficiency drops.I Moisture in the refrigerant circuit may freeze and

    block capillary tubing.I Water may lead to corrosion of parts in the refrig-

    eration system.Therefore, the indoor unit and tubing between theindoor and outdoor unit must be leak tested andevacuated to remove any noncondensables andmoisture from the system.

    2) Air purging with vacuum pump1. Preparation

    I Check that each tube(both liquid and gas sidetubes) between the indoor and outdoor units havebeen properly connected and all wiring for the testrun has been completed. Remove the servicevalve caps from both the gas and the liquid sideon the outdoor unit. Note that both the liquid andthe gas side service valves on the outdoor unitare kept closed at this stage.

    2. Leak testI Connect the manifold valve(with pressure gauges)

    and dry nitrogen gas cylinder to this service portwith charge hoses.

    I Pressurize the system to no more than 150 P.S.I.G.

    with dry nitrogen gas and close the cylinder valvewhen the gauge reading reached 150 P.S.I.G.Next, test for leaks with liquid soap.

    I Do a leak test of all joints of the tubing(both indoorand outdoor) and both gas and liquid side servicevalves.Bubbles indicate a leak. Be sure to wipe off the

    soap with a clean cloth.I After the system is found to be free of leaks,

    relieve the nitrogen pressure by loosening thecharge hose connector at the nitrogen cylinder.When the system pressure is reduced to normal,disconnect the hose from the cylinder.

    Be sure to use a manifold valve for air purging. If it is notavailable, use a stop valve for this purpose. The "Hi"knob of the manifold valve must always be kept close.

    CAUTION

    To avoid nitrogen entering the refrigerant system in aliquid state, the top of the cylinder must be higher thanits bottom when you pressurize the system. Usually,the cylinder is used in a vertical standing position.

    CAUTION

    Lo Hi

    Indoor unit Indoor unit

    Outdoor unit Outdoor unit

    Manifold valve

    Charge hose

    Nitrogen gascylinder(in verticalstanding position)

    Pressuregauge

    30k 36k

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    Service Manual 27

    Installation

    3. EvacuationI Connect the charge hose end described in the

    preceding steps to the vacuum pump to evacuatethe tubing and indoor unit.Confirm the "Lo" knob of the manifold valve isopen. Then, run the vacuum pump.The operation time for evacuation varies with tubing

    length and capacity of the pump. The followingtable shows the time required for evacuation.

    I When the desired vacuum is reached, close the"Lo" knob of the manifold valve and stop thevacuum pump.

    4. Finishing the jobI With a service valve wrench, turn the valve stem

    of liquid side valve counter-clockwise to fullyopen the valve.

    I Turn the valve stem of gas side valve counter-clockwise to fully open the valve.

    I Loosen the charge hose connected to the gasside service port slightly to release the pressure,then remove the hose.

    I Replace the flare nut and its bonnet on the gasside service port and fasten the flare nut securelywith an adjustable wrench. This process is very

    important to prevent leakage from the system.I Replace the valve caps at both gas and liquidside service valves and fasten them tight.This completes air purging with a vacuum pump.The air conditioner is now ready to test run.

    (1) Remove the caps from the gas side and liquid side valves.(2) Remove the service-port cap from the gas side valve.(3) To open the gas side valve turn the valve stem counter-

    clockwise approximately 90, wait for about 2~3 sec, andclose it.

    (4) Apply a soap water or a liquid neutral detergent on the

    indoor unit connection or outdoor unit connections by asoft brush to check for leakage of the connecting points ofthe piping.

    (5) If bubbles come out, the pipes have leakage.

    Soap water method Gas side

    Liquid side

    Cap

    Hexagonal wrench

    3-way valve(Open)

    3-way valve(Close)

    Gas side

    Liquid side

    Cap

    Hexagonal wrench

    3-way valve(Open)

    3-way valve(Close)

    Required time for evacuationwhen 30 gal/h vacuum pump is used

    10 min. or more 15 min. or more

    If tubing length is lessthan 10m (33 ft).

    If tubing length is longerthan 10m (33 ft).

    Indoor unit

    Outdoor unit

    Lo Hi

    Manifold valve

    Vacuum pump

    Pressuregauge

    Open Close

    Indoor unit

    Outdoor unit

    30k

    36k

    36k

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    28 Room Air Conditioner

    1. Check that all tubing and wiring have been prop- erly connected.

    2. Check that the gas and liquid side service valves are fully open.

    1. Prepare remote control

    Remove the battery coverby pulling it according to thearrow direction.Insert new batteries makingsure that the (+) and ( ) ofbattery are installed correctly.Reattach the cover bypushing it back into position.

    NOTE:

    Use 2 AAA(1.5volt) batteries. Do not use rechargeable batteries.

    Remove the batteries from the remote control if the system is not going to be used for a long time.

    2. Settlement of outdoor unitI Anchor the outdoor unit with a bolt and

    nut( 10mm) tightly and horizontally on a concreteor rigid mount.

    I When installing on the wall, roof or rooftop, anchorthe mounting base securely with a nail or wireassuming the influence of wind and earthquake.

    I In the case when the vibration of the unit is con-veyed to the hose, secure the unit with ananti-vibration rubber.

    3. Evaluation of the performance

    Operate unit for 15~20 minutes, then check the sys-tem refrigerant charge:

    1. Measure the pressure of the gas side service valve.

    2. Measure the temperature of the intake and dis- charge of air.

    NOTE: If the actual pressure are higher than shown,the system is most likely over-charged, andcharge should be removed. If the actual pres-sure are lower than shown, the system is mostlikely undercharged, and charge should beadded.The air conditioner is now ready for use.

    Bolt

    Tubin connection

    Outside ambient TEMPThe pressure of the gas side service valve

    35C(95F) 8.5~9.5kg/cm2 G(120~138 P.S.I.G.)

    This is performed when the unit is to be relocatedor the refrigerant circuit is serviced.Pump Down means collecting all refrigerant in the out-door unit without loss in refrigerant gas.

    CAUTION:Be sure to perform Pump Down procedure with theunit cooling mode.

    Pump Down Procedure1. Connect a low-pressure gauge manifold hose to the

    charge port on the gas side service valve.2. Open the gas side service valve halfway and purge the

    air from the manifold hose using the refrigerant gas.3. Close the liquid side service valve(all the way in).4. Turn on the unit's operating switch and start the cool-

    ing operation.5. When the low-pressure gauge reading becomes 1 to

    0.5kg/cm2 G(14.2 to 7.1 P.S.I.G.), fully close the gasside valve stem and then quickly turn off the unit. Atthat time, Pump Down has been completed and allrefrigerant gas will have been collected in the outdoorunit.

    PUMP DOWN

    3. Ensure the difference between the intake temper- ature and the discharge is more than 8C (Cooling) or reversely (Heating).

    4. For reference; the gas side pressure of optimum condition is as below.(Cooling)

    Dischargetemperature

    Discharge air

    Intake temperature

    TEST RUNNING

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    Service Manual 29

    DISPLAY1) C/O Model (high quality LCD remote controller supplied)Operation Indicator

    On while in appliance operation, off while in appliance pauseTimer Indicator

    On while in timer mode (on/off) and in sleep timer mode, off when timer mode is completed or canceled.Comp. Running Indicator

    While in appliance operation, on while in outdoor unit compressor running, off while in compressor offPlasma Indicator

    On while in plasma mode, off while plasma mode is canceled.Auto restart Indicator

    On while auto restart mode, off while auto restart mode is canceled.

    Auto restart In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate

    procedures automatically to the previous operating conditions.If your want to use this operation, press the Auto Restart Button.

    Power(Forced Operation) Operation starts, when this button is pressed and stops when you press the button again.

    2) H/P Model (high quality LCD remote controller supplied)

    Operation Indicator On while in appliance operation, off while in appliance pause

    Timer Indicator On while in timer mode (on/off) and in sleep timer mode, off when timer mode is completed or canceled

    Defrost Indicator Off except when hot start during heating mode operation or while in defrost control.Plasma Indicator

    On while in plasma mode, off while plasma mode is canceled.Auto restart Indicator

    On while auto restart mode, off while auto restart mode is canceled.Auto restart

    In case the power comes on again after a power failure, Auto Restarting Operation is the function to operateprocedures automatically to the previous operating conditions.If your want to use this operation, press the Auto Restart Button.

    Power(Forced Operation) Operation starts, when this button is pressed and stops when you press the button again.

    I Cooling Mode Operation When the intake air temperature reaches 0.5 C below the setting temp, the compressor and the outdoor fan stop. When it reaches 0.5 C above the setting temp, they start to operate again.

    Compressor ON Temp=> Setting Temp+0.5 CCompressor OFF Temp => Setting Temp-0.5 C

    While in compressor running, operating with the airflow speed set by the remote controller. While in compressornot running, operating with the low airflow speed regardless of the setting.

    MAIN UNIT FUNCTION

    Operation

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    30 Room Air Conditioner

    Operation

    I Healthy Dehumidification Mode

    When the dehumidification operation input by the remote controller is received, the intake air temperature isdetected and the setting temp is automatically set according to the intake air temperature.26 C Intake Air Temp => 25 C24 C Intake Air Temp < 26 C => Intake Air Temp-1 C18 C Intake Air Temp < 24 C => Intake Air Temp-0.5 C

    Intake Air Temp < 18 C => 18 C While in compressor off, the indoor fan repeats low airflow speed and pause. While the intake air temp is between compressor on temp. and compressor off temp., 10-min dehumidification

    operation and 4-min compressor off repeatCompressor ON Temp. => Setting Temp+0.5 CCompressor OFF Temp. => Setting Temp-0.5 C

    In 10-min dehumidification operation, the indoor fan operates with the low airflow speed.

    I Heating Mode Operation

    When the intake air temp reaches +3 Cabove the setting temp, the compressor is turned off. When below the

    setting temp, the compressor is turned on.Compressor ON Temp. => Setting Temp.Compressor OFF Temp. => Setting Temp.+3 C

    While in compressor on, the indoor fan is off when the indoor pipe temp. is below 26 C , when above 28 C , itoperates with the low or setting airflow speed (while in sleep mode, with the medium airflow speed).

    While in compressor off, the indoor fan is off when the indoor pipe temp is below 33 C , when above 35 C , itoperates with the low airflow speed.

    If overloaded while in heating mode operation, in order to prevent the compressor from OLP operation, the out-door fan is turned on/off according to the indoor pipe temp.

    While in defrost control, both of the indoor and outdoor fans are turned off.

    I Defrost Control While in heating mode operation in order to protect the evaporator pipe of outdoor unit from freezing, reversed

    to cooling cycle to defrost the evaporator pipe of the outdoor unit. Defrost control is available 30 minutes later since heating mode operation started, and it will not polong over 6

    minutes. Deicing starts only when the outdoor pipe temperature falls below -6 C after 30 minutes passed from starting of

    heating operating and more than 10 minutes operation of compressor. Deicing ends after 6 minutes passed from starting of deice operation or when the outdoor pipe temperature rises

    over 12C even if before 6 minutes.

    I Fuzzy Operation (C/O Model)

    According to the temperature set by Fuzzy rule, when the intake air temp is 0.5 C or more below the settingtemp, the compressor is turned off. When 0.5 C or more above the setting temp, the compressor is turned on.Compressor ON Temp => Setting Temp+0.5 CCompressor OFF Temp => Setting Temp+0.5 C

    At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to theintake air temp at that time.

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    Service Manual 31

    Operation

    26 C Intake Air Temp => 25 C24 C Intake Air Temp Intake Air Temp+1 C22 C Intake Air Temp Intake Air Temp+0.5 C18 C Intake Air Temp Intake Air TempIntake Air Temp 18 C

    When the Fuzzy key (Temperature Control key) is input after the initial setting temperature is selected, the

    Fuzzy key value and the intake air temperature at that time are compared to select the setting temperatureautomatically according to the Fuzzy rule.

    While in Fuzzy operation, the airflow speed of the indoor fan is automatically selected according to the temper-ature

    I Fuzzy Operation (H/P Model)

    When any of operation mode is not selected like the moment of the power on or when 3 hrs has passed sincethe operation off, the operation mode is selected.

    When determining the operation mode, the compressor, the outdoor fan, and the 4 way valve are off and onlythe indoor fan is operated for 15 seconds. Then an operation mode is selected according to the intake airtemp at that moment as follows.

    24 C Inatake Air Temp => Fuzzy Operation for Cooling21 C Inatake Air Temp Fuzzy Operation for DehumidificationInatake Air Temp Fuzzy Operation for Heating

    If any of the operation modes among cooling / dehumidification / heating mode operations is carried out for 10sec or longer before Fuzzy operation, the mode before Fuzzy operation is operated.

    1) Fuzzy Operation for Cooling

    According to the setting temperature selected by Fuzzy rule, when the intake air temp is 0.5 C or more belowthe setting temp, the compressor is turned off. When 0.5 C or more above the setting temp, the compressor isturned on.Compressor ON Temp => Setting Temp+0.5 C

    Compressor OFF Temp => Setting Temp+0.5 C At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the

    intake air temp at that time.26 C Intake Air Temp => 25 C24 C Intake Air Temp Intake Air Temp+1 C22 C Intake Air Temp Intake Air Temp+0.5 C18 C Intake Air Temp Intake Air TempIntake Air Temp < 18 C => 18 C

    When the Fuzzy key (Temperature Control key) is input after the initial setting temperature is selected, theFuzzy key value and the intake air temperature at that time are compared to select the setting temperatureautomatically according to the Fuzzy rule.

    While in Fuzzy operation, the airflow speed of the indoor fan is automatically selected according to the temperature.

    2) Fuzzy Operation for Dehumidification

    According to the setting temperature selected by Fuzzy rule, when the intake air temp is 0.5 C or more belowthe setting temp, the compressor is turned off. When 0.5 C or more above the setting temp, the compressor isturned on.

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    32 Room Air Conditioner

    Operation

    Compressor ON Temp => Setting Temp+0.5 CCompressor OFF Temp => Setting Temp+0.5 C

    At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to theintake air temp at that time.26 C Intake Air Temp => 25 C24 C Intake Air Temp Intake Air Temp+1 C

    22 C Intake Air Temp Intake Air Temp+0.5 C18 C Intake Air Temp Intake Air TempIntake Air Temp < 18 C => 18 C

    When the Fuzzy key (Temperature Control key) is input after the initial setting temperature is selected, theFuzzy key value and the intake air temperature at that time are compared to select the setting temperatureautomatically according to the Fuzzy rule.

    While in Fuzzy operation, the airflow speed of the indoor fan repeats the low airflow speed or pause as indehumidification operation.

    3) Fuzzy Operation for Heating

    According to the setting temperature selected by Fuzzy rule, when the intake air temp is 3 C or more above

    the setting temp, the compressor is turned off. When below the setting temp, the compressor is turned on.Compressor ON Temp => Setting TempCompressor OFF Temp => Setting Temp + 3 C

    At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to theintake air temp at that time.20 C Intake Air Temp => Intake Air Temp + 0.5 CIntake Air Temp < 20 C => 20 C

    When the Fuzzy key (Temperature Control key) is input after the initial setting temperature is selected, theFuzzy key value and the intake air temperature at that time are compared to select the setting temperatureautomatically according to the Fuzzy rule.

    While in Fuzzy operation, the airflow speed of the indoor fan is set to the high or the medium according to theintake air temperature and the setting temperature.

    I Airflow Speed Selection

    The airflow speed of the indoor fan is set to high, medium, low, or chaos by the input of the airflow speedselection key on the remote controller.

    I On-Timer Operation

    When the set time is reached after the time is input by the remote controller, the appliance starts to operate. The timer LED is on when the on-timer is input. It is off when the time set by the timer is reached. If the appliance is operating at the time set by the timer, the operation continues.

    I Off-Timer Operation When the set time is reached after the time is input by the remote controller, the appliance stops operating. The timer LED is on when the off-timer is input. It is off when the time set by the timer is reached. If the appliance is on pause at the time set by the timer, the pause continues.

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    Service Manual 33

    Operation

    I Off-Timer On-Timer Operation

    When the set time is reached after the on/off time is input by the remote controller, the on/off-timer operation iscarried out according to the set time.

    I Sleep Timer Operation

    When the sleep time is reached after is input by the remote controller while inappliance operation, the operation of the appliance stops.

    While the appliance is on pause, the sleep timer mode cannot be input. While in cooling mode operation, 30 min later since the start of the sleep timer, the setting temperature

    increases by 1 C After another 30 min elapse, it increases by 1 C again. When the sleep timer mode is input while in cooling cycle mode, the airflow speed of the indoor fan is set to

    the low. When the sleep timer mode is input while in heating cycle mode, the airflow speed of the indoor fan is set to

    the medium.

    I Chaos Swing Mode

    By the Chaos Swing key input, the vane automatically operates with the Chaos Swing or they are fixed to thedesired direction.

    I Chaos Natural Wind Mode

    When the Chaos Natural Wind mode is selected and then operated, the high, medium, or low speed of the air-flow mode is operated for 2~15 sec randomly by the Chaos Simulation.

    I Jet Cool Mode Operation (C/O Model)

    If the Jet Cool key is input at any operation mode while in appliance operation, the Jet Cool mode operates.

    In the Jet Cool mode, the indoor fan is operated at super-high speed for 30 min at cooling mode operation.

    In the Jet Cool mode operation, the room temperature is controlled to the setting temperature, 18 C

    When the sleep timer mode is input while in the Jet Cool mode operation, the Jet Cool mode has the priority. When the Jet Cool key is input, the upper/lower vanes are reset to those of the initial cooling mode and then

    operated in order that the air outflow could reach further.

    I Jet Cool Mode Operation (H/P Model)

    While in heating mode or Fuzzy operation, the Jet Cool key cannot be input. When it is input while in the othermode operation (cooling, dehumidification, ventilation), the Jet Cool mode is operated.

    In the Jet Cool mode, the indoor fan is operated at super-high speed for 30 min at cooling mode operation.

    In the Jet Cool mode operation, the room temperature is controlled to the setting temperature, 18 C

    When the sleep timer mode is input while in the Jet Cool mode operation, the Jet Cool mode has the priority.

    When the Jet Cool key is input, the upper/lower vanes are reset to those of the initial cooling mode and thenoperated in order that the air outflow could reach further.

    I Auto Restarting Operation

    When the power is restored after a sudden power failure while in appliance operation, the mode before thepower failure is kept on the memory and the appliance automatically operates in the mode on the memory.

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    Service Manual 35

    Operation

    I Air Cleaner Operation

    When an air cleaner function is selected during Air Conditioner operation- Plasma air cleaner function will be operated while in any operation mode with selecting the function.- The function is to be stopped while it is operating with selecting the function.

    When an air cleaner function is selected during operation off- The function will be only operated.

    When inlet grille of air conditioner is opened during plasma operation, High Voltage Generator(H.V.B) is to bestopped. When inlet grille of air conditioner is closed during plasma operation, High Voltage Generator(H.V.B)will be operated again.

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    36 Room Air Conditioner

    Display Function

    Operation

    Self-diagnosis Function

    Signal ReceptorReceives the signals from the remote control.(Signal receiving sound: two short beeps or one long beep.)

    Operation Indication Lamps

    On/Off : Lights up during the system operation.

    Timer or Sleep Mode : Lights up during Timer operation or Sleep mode.

    Defrost Mode : Lights up during Defrost Mode or HotStart operation. (Heat pump model only)

    Outdoor unit operation : Lights up during outdoor unit operation. (Cooling model only)

    Plasma Mode : Lights up during plasma-purification operation.(option)

    Auto Restart Mode : Lights up during if Restart Button is pressed.

    Auto Restart Button : In failure of electric power, if the button is pressed theunit runs as previoussetting operation when power returns.

    Forced Operation Button : Operation starts, when this button is pressed and stops when you press thebutton again.

    3sec 3sec 3sec

    (once)

    3sec 3sec

    (twice)

    3sec

    (5times)

    Error

    Code

    1

    2

    5

    Error LED

    (Indoor body operation LED)Error contents

    Indoor room temperaturethermistor open/short

    Indoor pipe temperaturethermistor open/short.

    Outdoor pipe temperaturethermistor open/short.

    Poor communication.

    Indoor TH assy check

    Outdoor TH assy check

    Communication line/circuit

    check

    SVC check point

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    Service Manual 37

    Operation

    Name and Function-Remote Control

    The remote control transmits the signals to the system.

    1. START/STOP BUTTONOperation starts when this button is pressed and stops

    when the button is pressed again.2. OPERATION MODE SELECTION BUTTON

    Used to select the operation mode.

    3. ROOM TEMPERATURE SETTING BUTTONSUsed to select the room temperature.

    4. INDOOR FAN SPEED SELECTORUsed to select fan speed in four steps low, medium, highand CHAOS.

    5. JET COOLUsed to start or stop the speed cooling. (Speed coolingoperates super high fan speed in cooling mode.)

    6. CHAOS SWING BUTTONUsed to stop or start louver movement and set the desiredup/down airflow direction.

    7. ON/OFF TIMER BUTTONSUsed to set the time of starting and stopping operation.

    8. TIME SETTING BUTTONSUsed to adjust the time.

    9. TIMER SET/CANCEL BUTTONUsed to set the timer when the desired time is obtainedand to cancel the Timer operation.

    10. SLEEP MODE AUTO BUTTONUsed to set Sleep Mode Auto operation.

    11. AIR CIRCULATION BUTTONUsed to circulate the room air without cooling or heating.

    12. ROOM TEMPERATURE CHECKING BUTTONUsed to check the room temperature.

    13. PLASMA(OPTIONAL)Used to start or stop the plasma-purification function.

    14. HORIZONTAL AIRFLOW DIRECTION CONTROLBUTTON (NOT ON ALL MODELS)Used to set the desired horizontal airflow direction.

    15. RESET BUTTONUsed prior to resetting time or after replacing batteries.

    16. 2nd F ButtonUsed prior to using modes printed in blue at the bottomof buttons.

    17. AUTO CLEANUsed to set Auto Clean mode.

    ON OFF

    CANCEL

    AUTO CLEAN

    SET

    1

    3

    5

    4

    9

    10

    171214

    16

    72

    813

    15

    11

    6

    Cooling Operation

    Auto Operation

    Healthy Dehumidification Operation

    Flip-up door(opened)

    Heating Operation

    Signal transmitter

    Cooling Model( ), Heat Pump Model( )

    Remote Control

    Operation Mode

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    38 Room Air Conditioner

    DisassemblyIndoor Unit

    Disassembly

    Warning :Disconnect the unit from power supply before making

    any checks.Be sure the power switch is set to OFF .

    1. To remove the Grille from the Chassis.

    Remove the 2 screws of right side panel.

    Remove the right side panel by the arrow.

    I The connector can be disconnected by pulling itwhile pressing the connector's hook.

    I Remove the 1 screw for fixing low panel.

    Remove the lower panel by the arrow.

    I Take care not to scratch the wall and mat todrop.

    Remove the left side panel.(Remove the 2 screws.)

    Right side panel

    Main PCB

    Lower panel

    Left side panel

    Lower panel

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    Service Manual 39

    Disassembly

    Remove the grille from the chassis.

    Remove the 4 securing screws.(30K, 32K) Remove the 5 securing screws.(36K, 38K) To remove the Grille, pull the lower left and right side

    of the grille toward you (slightly tilted) and lift itstraight upward.

    Separate the black lead wire from the white connectorin case of plasma model.

    2. To remove the sensor, housing connector, earthconductor and step motor conductor with sensorholder, Motor, Evaporator and P.C.B.

    PowerConductor

    Step MotorConductor

    MotorConductor

    SensorConductor

    EarthConductor

    BLACK WHITE

    30k

    36k

    30k 36k

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    Service Manual 41

    Disassembly

    6. To remove the Fan motor Loosen the screw securing the cross-flow fan to

    the fan motor (do not remove).

    Loosen the screw securing the mount motor.

    Separate the fan motor from the cross-flow fan. Take care not to drop the motor.

    7. To remove the Cross-Flow Fan Loosen the screw securing the holder bearing. Lift up the cross-flow fan.

    Screw

    Fan motor

    Screw

    Screw

    Fan motor

    Mount motor

    Holder bearing

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    42 Room Air Conditioner

    Schematic Diagram

    Schematic DiagramSchematic Diagram

    Heat Pump/Cooling Only Series(Indoor Unit)

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    Service Manual 43

    Schematic Diagram

    Heat Pump Series (Outdoor Unit)I Model: AS-H306 Series

    5

    5

    4

    4

    3

    3

    2

    2

    1

    1

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    44 Room Air Conditioner

    Schematic Diagram

    I Model: AS-H366 Series

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    Service Manual 45

    Schematic Diagram

    5

    5

    4

    4

    3

    3

    2

    2

    1

    1

    I Model: AS-C306 Series

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    46 Room Air Conditioner

    Schematic Diagram

    I Model: AS-C366 Series

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    Service Manual 47

    Schematic Diagram

    Wiring Diagram

    30k Indoor Unit

    Outdoor Unit

    5(COMM)3 (L ) 4( N)

    BL

    BL

    RD

    BR

    R

    SCOMP

    RUNNINGCAPACITOR

    B L

    B R

    BL

    1 (L ) 2 (N ) TERMINAL BLOCK

    BL

    1

    2BK

    BR

    CN-P2(N)

    CN-COMP2

    CN-FANOR

    ORFAN

    OUTDOOR PCBCAPACITOR YL

    CN-P1(L)

    CN-COMM

    R D

    B K

    TERMINAL BLOCK1

    TO INDOOR UNITPOWER INPUT

    F U S E ( 5 A )

    F U S E ( 5 A )

    1

    0 2 6

    4 8 POWERRELAY

    BR

    C

    3854A20393B

    WIRING DIAGRAM

    3 (L) 4 (N ) 5(COMM)

    BL

    BL

    RD

    BR

    R

    SCOMP

    RUNNINGCAPACITOR

    B L

    B R

    BL

    1 (L ) 2 (N ) TERMINAL BLOCK

    BL

    1

    2BK

    BR

    CN-P2(N)

    CN-COMP2

    CN-FANBK

    OR

    OR

    BK

    REVERSINGVALVE

    H I G H P R E S S U R E

    S W I T C H

    FAN

    OUTDOOR PCBCAPACITOR YL

    CN-4WAY

    CN-P1(L) CN-COMM

    R D B

    K

    BK

    TERMINAL BLOCK1

    TO INDOOR UNITPOWER INPUT

    F U S E ( 5 A )

    F U S E ( 5 A )

    1

    0 2 6

    4 8POWERRELAY

    BR

    C

    3854A20393A

    WIRING DIAGRAM

    CN-THBK

    THERMISTOR

    AS-C306Series AS-H306Series

    3854A20065A

    AS-C306 Series/AS-H306 Series

    MOTOR

    SH-CAPA.

    Y L

    PILLARTERMINAL

    AUTO RESTARTFORCED OPERATION

    CN-DISP

    C N - L

    / R

    C N - U

    / D

    C N - T

    HTHERMISTOR

    STEPMOTOR

    (UP/DOWN)

    STEPMOTOR

    (L/R)

    H.V.B ASM

    LIMITS S/W

    Negative ion

    OPTION

    STEPMOTOR

    (L/R) C N - L

    / R

    DISPLAY PCB ASM

    INDOOR WIRING DIAGRAM

    TO OUTDOOR UNIT

    B L

    3(L) 4( N) 5

    B R

    G N / Y L

    B L

    R D

    R D

    B R

    G N / Y L

    B R

    FUSEAC250V/T2A

    TRIACOR

    BK

    ZNR

    CN-POWER

    CN-MOTOR

    S30AHP

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    Service Manual 49

    Schematic Diagram

    Electronic Control Device

    INDOOR UNIT P.W.B. ASSEMBLY

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    50 Room Air Conditioner

    Schematic Diagram

    OUTDOOR UNIT P.W.B. ASSEMBLY

    MODEL SOFT-STARTER

    AS-C306 Series X

    AS-H306 Series X

    AS-C366 Series X

    AS-H366 Series X

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    Service Manual 51

    Schematic Diagram

    DISPLAY P.W.B. ASM

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    Service Manual 53

    Troubleshooting Guide

    Pipe Length and the Elevation

    * Capicity is based on standard length and maximum allowance length is the basis ofreliability.

    * Oil trap should be installed per 5~7 meters.

    CAUTION

    Outdoor unit

    Indoor unit

    A

    B

    AOil trap

    Outdoor unit

    Indoor unitB

    In case more than 5m

    30k 5/8" 3/8" 7.5 15 30 30(50Hz, 60Hz)

    36k 3/4" 3/8" 7.5 20 30 50(50Hz, 60Hz)

    Pipe SizeCapacity(Btu/h)

    GAS LIQUID

    AdditionalRefrigerant

    (g/m)

    Max.Length

    A (m)

    Max.Elevation

    B (m)

    StandardLength

    (m)

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    54 Room Air Conditioner

    Troubleshooting Guide

    3-way Valve

    Procedure

    (1) Confirm that both liquid side and gas sidevalves are set to the open position. Remove the valve stem caps and confirm that

    the valve stems are in the raised position. Be sure to use a hexagonal wrench to operate

    the valve stems.

    (2) Operate the unit for 10 to 15 minutes.

    (3) Stop operation and wait for 3 minutes, thenconnect the charge set to the service port ofthe Gas side valve. Connect the charge hose to the service port.

    (4) Air purging of the charge hose. Open the low-pressure valve on the charge set

    slightly to air purge from the charge hose.

    (5) Set the liquid side valve to the closed posi-tion.

    (6) Operate the air conditioner in cooling modeand stop it when the gauge indicates1kg/cm 2g.

    (7) Immediately set the Gas side valve to theclosed position. Do this quickly so that the gauge ends up indi-

    cating 3 to 5kg/cm 2g.

    (8) Disconnect the charge set, and mount theLiquid side and Gas side valve s stem nutsand the service port nut.

    Use torque wrench to tighten the service portnut to a torque of 1.8 kg.m.

    Be sure to check for gas leakage.

    Lo

    Closed

    Purge the air

    Outdoor unitIndoor unit Liquid side

    Gas side

    CLOSE

    Open3-Wayvalve

    3-Wayvalve

    CLOSE

    1. Pump down

    CAUTION: Do not use the existingcharge set for R-22.

    It is necessary to use new charge set forR-410A. The pressure of R-410A is 1.6 timeshigher than that of R-22. Thus, the high pressureside gauge of charge set should be used higherpressure gauge of 50kg/cm 2 range.

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    Service Manual 55

    Troubleshooting Guide

    1) Re-air purging(Re-installation)

    Procedure

    (1) Confirm that both the liquid side valve and thegas side valve are set to the closed position.

    (2) Connect the charge set and a gas cylinder tothe service port of the Gas side valve. Leave the valve on the gas cylinder closed.

    (3) Air purging. Open the valves on the gas cylinder and the

    charge set. Purge the air by loosening the flarenut on the liquid side valve approximately 45 for 3 seconds then closing it for 1 minute;repeat 3 times.

    After purging the air, use a torque wrench totighten the flare nut on liquid side valve.

    (4) Check for gas leakage. Check the flare connections for gas leakage.

    (5) Discharge the refrigerant. Close the valve on the gas cylinder and dis-

    charge the refrigerant until the gauge indicates3 to 5 kg/cm 2g.

    (6) Disconnect the charge set and the gas cylin-der, and set the Liquid side and Gas sidevalves to the open position. Be sure to use a hexagonal wrench to operate

    the valve stems.

    (7) Mount the valve stem nuts and the serviceport nut. Use torque wrench to tighten the service port

    nut to a torque of 1.8 kg.m. Be sure to check for gas leakage.

    * CAUTION:

    Do not leak the gas in the air during AirPurging.

    Lo

    Closed

    OPEN

    Closed

    Gas cylinder

    R407C

    Outdoor unitIndoor unit Liquid side

    Gas side

    CLOSE

    3-Wayvalve

    3-Wayvalve

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    56 Room Air Conditioner

    Troubleshooting Guide

    2) Balance refrigerant of the 3-way valve(Gas leakage)

    Procedure

    (1) Confirm that both the liquid side and gas sidevalves are set to the back seat.

    (2) Connect the charge set to the 3-way valve sport. Leave the valve on the charge set closed. Connect the charge hose to the service port.

    (3) Open the valve (Lo side) on the charge set anddischarge the refrigerant until the gauge indi-cates 0 kg/cm 2G. If there is no air in the refrigerant cycle (the

    pressure when the air conditioner is not runningis higher than 1 kg/cm 2G), discharge the refrig-erant until the gauge indicates 0.5 to 1kg/cm 2G. if this is the case, it will not be neces-sary to apply a evacuatin.

    Discharge the refrigerant gradually; if it is dis-charged too suddenly, the refrigeration oil willalso be discharged.

    Lo

    Open

    Open3-Wayvalve

    3-Wayvalve

    Gas side

    CLOSEOPEN

    Outdoor unit

    Liquid sideIndoor unit

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    Service Manual 57

    Troubleshooting Guide

    2. Evacuation(All amount of refrigerant leaked)

    Procedure

    (1) Connect the vacuum pump to the center hoseof charge set center hose

    (2) Evacuation for approximately one hour. Confirm that the gauge needle has moved

    toward -76 cmHg (vacuum of 4 mmHg or less).

    (3) Close the valve (Lo side) on the charge set,turn off the vacuum pump, and confirm thatthe gauge needle does not move (approxima-tely 5 minutes after turning off the vacuumpump).

    (4) Disconnect the charge hose from the vacuumpump. Vacuum pump oil.

    If the vacuum pump oil becomes dirty ordepleted, replenish as needed.

    Lo

    Open

    Open

    Vacuum pump

    3-Wayvalve

    Outdoor unit

    Liquid sideIndoor unit

    Gas side

    3-Wayvalve

    CLOSEOPEN

    CAUTION:

    Use vacuum pump equipped with check valueapplied to be prevented from flowing back-ward.

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    58 Room Air Conditioner

    Troubleshooting Guide

    3. Gas Charging(After Evacuation)

    Procedure

    (1) Connect the charge hose to the chargingcylinder. Connect the charge hose which you dis-con-

    nected from the vacuum pump to the valve atthe bottom of the cylinder.

    If you are using a gas cylinder, also use ascale and reverse the cylinder so that the sys-tem can be charged with liquid.

    (2) Purge the air from the charge hose. Open the valve at the bottom of the cylinder

    and press the check valve on the charge set topurge the air. (Be careful of the liquid refriger-ant). The procedure is the same if using a gascylinder.

    (3) Open the valve (Lo side on the charge set andcharge the system with liquid refrigerant. If the system can not be charged with the spec-

    ified amount of refrigerant, it can be chargedwith a little at a time (approximately 150g eachtime) while operating the air conditioner in thecooling cycle; however, one time is not suffi-cient, wait approximately 1 minute and thenrepeat the procedure (pumping down-pin).

    (4) Immediately disconnect the charge hose fromthe 3-way valve s service port. Stopping partway will allow the gas to be dis-

    charged. If the system has been charged with liquid

    refrigerant while operating the air conditionerturn off the air conditioner before disconnectingthe hose.

    (5) Mount the valve stem nuts and the serviceport nut. Use torque wrench to tighten the service port

    nut to a torque of 1.8 kg.m. Be sure to check for gas leakage.

    CAUTION:This unit is charged with R-410A.Pay attention not to charge R-22.

    \

    This is different from previous procedures.Because you are charging with liquid refrigerantfrom the gas side, absolutely do not attempt tocharge with larger amounts of liquid refrigerantwhile operating the air conditioner.

    Lo

    Chargingcylinder

    Outdoor unitIndoor unit Liquid side

    Gas side

    CLOSE

    Open3-Wayvalve

    3-Wayvalve

    OPEN

    Open

    Check valve

    (1)

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    Service Manual 59

    Troubleshooting Guide

    Additional gas charging(Gas leakage)

    When refrigerant is insufficient by leakage, recharge the unit with the refrigerant up to normal operating suc-tion pressure.

    Use the graph or the equation below to get operating suction pressure according to indoor and outdoor tem-perature.Suction pressure was measured at 3-way valve service port after operating the unit for 10 minutes.

    The method of using graph- Find outdoor temperature.- Find indoor temperature onto the curve of outdoor temperature.

    - Read suction pressure at the axis of ordinates.

    The method of using equation-. Calculate suction pressure after putting indoor and outdoor temperature into the equation.

    13(At operating the Unit for 10 minutes)

    S u c t

    i o n

    P r e s s u r e

    ( K g

    / c m

    2 . g

    )

    O u

    t d o o r T

    e m p .

    ( C )

    Indoor Temp. ( C)

    12

    11

    10

    9

    8

    7

    6

    55 10 15 20 25 30 35 40

    50 C

    40 C

    30 C

    20 C

    10 C0C

    P = 3 + 0.0123 x T out 1.5 + 0.8 x T in0.5

    Where, P : Suction Pressure(kg/cm 2.g)Tout : Outdoor Temperature( C)Tin : Indoor Temperature( C)

    Operating Suction Pressure(According to Indoor & Outdoor Temperature)

    Service Manual S30AHP (AS-H306MLM0) A20347D.pdf

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    60 Room Air Conditioner

    Troubleshooting Guide

    Cycle Troubleshooting Guide

    Trouble analysis

    1. Check temperature difference between intake and discharge air and operating current.

    Temp. Difference

    Temp. difference : approx. 0 CCurrent : less than 80% of

    rated current

    Temp. difference : approx. 8 CCurrent : less than 80% of

    rated current

    Temp. difference : less than 8 CCurrent : over the reated

    current

    Temp. difference : over 8 C

    Operating Current

    All amount of refrigerant leakedout. Check refrigeration cycle.

    Refrigerant leakegeClog of refrigeration cycleDefective compressor

    Excessive amount of refrigerant

    Normal

    Notice :Temperature difference between intake and discharge air depends on room air humidity. When the room airhumidity is relativery higher, temperature difference is smaller. When the room air humidity is relatively lower tem-perature difference is larger.

    2. Check temperature and pressure of refrigeration cycle.

    Notice :1. The suction pressure is usually 4.5~6.0 kg/cm 2G(Cooling) at normal condition.2. The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with

    putty.

    Suction pressure Temperature(Compared with (Compared with Cause of Trouble Description

    the normal value) the normal valve)

    Defective compressor Current is low.Defective 4-way reverse valve

    Excessive amount of High pressure does not quicklyNormal refrigerant rise at the beginning of

    operation.

    Insufficient amount of Current is low.Lower Higher refrigerant (Leakage)

    Clogging Current is low.

    High

    Higher

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    Service Manual 61

    Troubleshooting Guide

    Electronic Parts

    1. Product does not operate at all.(* Refer to Electronic Control Device drawing and Schematic diagram.)

    Turn off Main Power

    Turn on Main Power

    Does "beeping" sound is made from the Indoor Unit?

    Primarily, the operating condition of Micom is OK.Check the voltage of power(About AC 220V/AC240V, 50Hz)

    Main power's voltage Voltage applied to the unit Connecting method of Indoor/Outdoor connecting cable Check PWB Ass'y

    - Fuse- Pattern damage- Varistor(ZNR01J)

    Check the connection housing for contacting

    Connector related to CN-POWER Connector related to CN-MOTOR

    Connector contacting of Outdoor Fan/Compressor Display PWB Ass'y Check

    Check each load(Indoor/Outdoor Fan Motor,Compressor, Stepping Motor) and contactingcondition of related connector

    PCB Board Operation Check

    Items

    Power Transformer(Outdoor unit)- Input Voltage- Output Voltage

    IC01D(7812) Output (Outdoor unit)

    IC02D(7805) Output (Outdoor unit)IC04D(7805) Output (Indoor unit)

    IC01A(KIA7036, Reset IC)OSC01B(8MHz) (Indoor unit)

    IC01A(KIA7036, Reset IC)OSC01B(4MHz) (Outdoor unit)

    Replace Trans

    Replace IC01D(Outdoor unit) Replace IC02D

    (Outdoor unit)IC04D(Indoor unit)

    Replace faulty parts

    - About AC220V/240V 10% - Check the power voltage- About AC14 3V

    DC+

    12V

    DC +5V

    Voltage of Micom No. 2, (Indoor unit)(DC +4.5V over) and Soldering condition.No. 5 (Outdoor unit)

    Content Remedy

    NO YES

    (After 10 seconds)

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    Service Manual 63

    Troubleshooting Guide

    3. Compressor/Outdoor Fan are unable to drive.

    Turn on Main Power

    Operate "Cooling Mode( )" by setting the desired temperature of the remote controller is lessthan one of the indoor temperature by 1 C at least.

    When in Air Circulation Mode, Compressor/Outdoor Fan is stopped.

    Check the sensor for indoor temperature is attached as close as to be effected by the tempera-ture of Heat Exchanger(EVA).

    When the sensor circuit for indoor temperature and connector are in bad connection or are notengaged, Compressor/Outdoor Fan is stopped. Check the related circuit of R02H(12.1K), R04H(6.2K), Micom (No.3.4) (Indoor unit). Check the related circuit of R04H (6.2K) Micom (No.3) (Output unit). Check the indoor temperature sensor is disconnected or not(About 10k / at 25C).

    Turn off Main Power

    Check the electrical wiring diagram of outdoor side. Check the abnormal condition for the component of Compressor/Outdoor Fan Motor. Check the "open" or "short" of conmecting wires between indoor and outdoor.

    Check Relay(RY - COMP2) for driving compressor.(Outdoor unit)

    When the power(About AC220V/240V) is applied to the connecting wire terminal supporttransferred to compressor, PWB Ass'y is normal.

    Check the circuit related to the relay.

    Check point COMP ON COMP OFF

    Between Micom(No.15) and GND DC5V DC0V

    Between Relay (G5N-1A) (No.1)DC12V DC0Vand (G5N-1A) (No.4)

    Between CN-COMP2 AC 220~240V Below AC 10Vand CN-POWER 2(N)

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    64 Room Air Conditioner

    Troubleshooting Guide

    Check the TRIAC high speed operation by Remocon.(The Indoor Fan Motor is connected)

    Turn off Main power

    Check the connection of CN-MOTOR

    Check the Fan Motor

    Check the Fuse(AC250V/T2A)

    Turn ON Main Power

    Check the related circuit of indoor Fan Motor.

    The pin NO 63 of Micom, and the part for driving TRIAC(the input andoutput signal of IC01M, PIN NO 2, 15)

    Check the pattern Check the TRIAC

    - TRIAC Open: Indoor Fan Motor never operate- TRIAC short: Indoor Fan Motor always operates in case of ON or OFF.

    4. When indoor Fan does not operate.

    The voltage of PIN NO 1(blue) and 3(yellow) of CN-MOTOR.

    About AC 180V over About AC 50V over

    TRIAC is not damaged TRIAC Check

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    Service Manual 65

    Troubleshooting Guide

    6. When Heating does not operate

    Operate Heating Mode( ) by setting the desired temperature of theremote controller is higher than one of the indoor temperature by 2 Cat least.

    In heating Mode, the indoor fan operates in case the pipe temperatureis higher than 28 C.

    Turn ON Main Power

    Confirm that the Vertical Louver is normally geared with the shaft ofStepping Motor.

    If the regular torque is detected when rotating the Vertical Louver withhands Normal

    Check the connecting condition of CN-U/D Connector Check the soldering condition(on PWB) of STEP(U/D) Connector

    If there are no problems after above checks

    Confirm the assembly conditions that are catching and interfering partsin the rotation radial of the Vertical Louver

    5. When Vertical Louver does not operate.

    Check the operating circuit of the Vertical Louver

    Confirm that there is DC +12V between pin (RED) of CN-U/D andGND.

    Confirm that there is a soldering short at following terminals.

    - Between , , and of MICOM- Between , , and of IC01M- Between , , and of IC01M

    58 59 60 61

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    66 Room Air Conditioner

    Troubleshooting Guide

    Check the connector of intake and pipe sensor(thermistors)

    Check the related circuit of R02H(12.1K), R04H(6.2K), R03H(1.0K),Micom(No. 3, 4).

    Check the indoor room temperature is disconnected or not (about10K /at 25 C).

    Check the indoor pipe temperature is disconnected or not (about5K /at 25 C).

    Check the DC voltage on the PWB ASS Y

    The details of check are as followings

    CHECK POINT

    Between Micom(No.15) and GND

    Between RY-COMP.(No.1) and (No.4)

    BetweenCN-COMP2 andCN-POWER 2(N)

    COMP. ON

    DC5V

    About DC12V

    AC 220~240V

    COMP. OFF

    DC0V

    DC0V

    Below AC10V

    CHECK POINTBetween Micom

    (No.13) and GNDBetween RY-4WAY(No.1) and (No.4)

    Between CN-4WAYand

    CN-POWER 2(N)

    COMP. ON

    DC5V

    About DC12V

    AC 220~240V

    COMP. OFF

    DC0V

    DC0V

    Below AC10V

    CHECK POINT

    Between Micom(No.14) and GNDBetween RY-FAN(No.1) and (No.4)Between CN-FAN

    andCN-POWER 2(N)

    COMP. ON

    DC5V

    About DC12V

    AC 220~240V

    COMP. OFF

    DC0V

    DC0V

    Below AC10V

    Comp Relay.

    4 way Relay

    Outdoor fan Relay

    Turn off Main Power

    Check the electrical wiring diagram of outdoor side. Check the abnormal condition for the component of

    Compressor/Outdoor Fan Motor, 4 way. Check the "open" or "short" of connecting wires between indoor and

    outdoor.

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    Service Manual 67

    Exploded View

    Exploded View

    268712

    135315

    152313

    267110

    131414

    131413

    W0CZZ

    146811-1

    146811-2

    152302

    359011

    135311

    342801

    135301

    266090268714

    263230

    249951

    359012

    342800

    352390-2

    346810

    733010

    135313-1

    135313-2

    135314

    135312

    159830

    352390-1

    131411

    131412

    131410

    159901

    352150

    35211B

    354210

    1. Indoor Units Models: 30k SERIES

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    68 Room Air Conditioner

    Exploded View

    s Models: 36k SERIES

    268712

    135315152313

    135314

    267110

    354210

    W0CZZ

    152302-1

    152302-2

    135311

    35211B

    342801

    135301

    159901

    266090268714

    263230

    131414

    131413

    352150

    146811-1

    146811-2

    146811-3

    249951

    359012

    359011

    342800

    131411

    131412

    352392 346811

    733010

    135313-1

    135313-2

    135313-3

    135312

    159830

    352391

    131410

    152302-1

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    Service Manual 69

    Exploded View

    447910

    550140

    552560552202

    561410

    552116

    566000554160

    649950

    552203-2

    552203-1

    435512

    554031

    137213

    137213

    559010

    435301

    403410

    546810

    437210

    435511

    552111

    552102-1

    552102-2

    552201-1

    263230668711

    261704

    W0CZZ-2W0CZZ-1 W0CZZ-2

    W6920

    2. Outdoor Units Models: 30k SERIES

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    70 Room Air Conditioner

    Replacement Parts List

    5 4 6 8 1 0

    5 5 2 1 1 1

    5 5 2 1 0 2

    - 1

    5 5 2 2 0 1

    - 1

    5 5 9 0 1 0

    4 4 7 9 1 0

    4 3 0 4 1 0

    4 3 5 5 1 2

    4 3 5 3 0 1

    4 3 7 2 1 0

    5 5 2

    1 1 2

    5 5 2 1 1 3

    1 3 7 2 1 3

    - 2

    1 3 7 2 1 3

    - 1

    4 3 5 3 0 0

    4 3 5 5 1 1

    5 5 4 0 3 1

    5 5 2 2 0 1

    - 2

    5 5 2 1 0 2

    - 2

    5 5 2 1 0 2

    - 3

    5 5 0 1 4 0

    5 5 2 5 6 0

    5 5 2 2 0 2

    5 6 1 4 1 0

    5 5 2 1 1 6

    5 6 6 0 0 0

    5 5 4 1 6 0

    6 4 9 9 5 0

    5 5 2

    2 0 3

    - 2

    5 5 2 2

    0 3

    - 1

    2 6 3 2 3 0

    6 6 8 7 1 1 2

    6 1 7 0 4

    W 0 C Z Z

    - 2

    W 0 C Z Z

    - 1

    W 0 C Z Z - 2

    W 6 9 2 0

    2. Outdoor Units Models: 36k SERIES

  • 7/28/2019 WallMountedS30-36AHP-ServiceManual

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    Service Manual 71

    Replacement Parts List

    Replacement Parts ListIndoor Unit

    131410 C HASSIS ASSEMBLY 3141A10001B 3141A10001B 3141A10001C 3141A10001C 131411 GUIDE ASSY 4975A20003A 4975A20003A 4975A20003A 4975A20003A R131412 CHASSIS 3140A20001A - 3140A20001A - R131414 GUIDE ASSY 4975A20001B 4975A20001B 4975A10001A 4975A20001A R135311 GRILLE ASSEMBLY, DISCHARGE(INDOOR) 3531A10056C 3531A10056C 3531A10056E 3531A10056E 135312 GRILLE ASSEMBLY, FRONT(INDOOR) 3531A10058A 3531A10058A 3531A10058G 3531A10058G

    135313-1 GRILLE ASSY, INLET 3531A10060A 3531A10060A 3531A10060A 3531A10060A 135313-2 GRILLE, INLET 3530A10045A 3530A10045A 3530A10045A 3530A10045A 135313-3 GRILLE, INLET - - 3530A10046A 3530A10046A R135314 GRILLE, INLET 3530A10042A 3530A10042A 3530A10042A 3530A10042A

    135315 GRILLE ASSEMBLY, FRONT(SINGLE) - - 3531A20179D 3531A20179C 146811-1 MOTOR ASSEMBLY, STEP 4681AR2727B 4681AR2727B 4681AR2727B 4681AR2727B 146811-2 MOTOR ASSY, STEP 4681AR2727M 4681AR2727M 4681AR2727M 4681AR2727M 152302 FILTER(MECH), A/C 5230A10001A 5230A10001A - - R

    152302-1 FILTER(MECH), A/C - - 5230A10001A 5230A10001A R152302-2 FILTER(MECH), A/C - - 5230A10002A 5230A10002A R152313 FILTER ASSEMBLY, DEODORIZER 5231A20032D 5231A20032D 5231A20032D 5231A20032D 159830 AIR CLEANER ASSEMBLY 5983A10002L 5983A10002L 5983A10002L 5983A10002L 159901 VANE, HORIZONTAL 5990A20003A 5990A20003A 5990A20002A 5990A20002A 249951 CONTROL BOX ASSEMBLY, INDOOR 4995A10115B 4995A20337S 4995A10115A 4995A20337U 263230 THERMISTOR ASSEMBLY 6323A20002C 6323A20002C 6323A20002C 6323A20002C 266090 H.V ASSY 6609A10003C 6609A10003C 6609A10003C 6609A10003C R267110 REMOTE CONTROLLER ASSEMBLY 6711A20077M 6711A20077N 6711A20077M 6711A20077N 268712 PWB(PCB) ASSY, DISPLAY 6871A20108B 6871A20108B 6871A20108B 6871A20108B 268714 PWB(PCB) ASSEMBLY,MAIN 6871A10114T 6871A10114K 6871A10114S 6871A10114L 342800 BEARING 4280A20003A 4280A20003A 4280A20003A 4280A20003A R342801 BEARING 4280A20001A 4280A20001A 4280A20001A 4280A20001A R346810 MOTOR ASSY, INDOOR 4681AP2632D 4681AP2632D 4681AP2632F 4681AP2632F 35211B TUBE ASSY, TUBING 5211A20200B 5211A20200A 5211A20200C 5211A20200C 352150 HOSE ASSY, DRAIN 5251AR1222P 5251AR1222P 5251AR1222P 5251AR1222P R

    352390-1 AIR GUIDE ASSEMBLY 5239A10001B - 5239A10001F 5239A10001F 352390-2 AIR GUIDE ASSEMBLY 5239A10001A - 5239A10001E 5239A10001E 354210 EVAPORATOR ASSEMBLY, FIRST 5421A20058A 5421A20058A 5421A20058B 5421A20058B 359011 FAN ASSY, CROSS FLOW 5901AR2441F 5901AR2441F 5901AR2441H 5901AR2441H 359012 FAN ASSY, CROSS FLOW 5901AR2441G 5901AR2441G 5901AR2441J 5901AR2441J 733010 PLATE ASSY, INSTALL 3301A10001A 3301A10001A 3301A10001A 3301A10001A W0CZZ CAPACITOR, DRAWING 3H01487G 3H01487G 3H01487G 3H01487G

    LOCATIONNO.

    DESCRIPTION REMARKSPART NO.

    AS-C306MLM0 AS-H306MLM0 AS-C366NLM0 AS-H366NLM0