LG LV-1861HL Service Manual Download Page 61 | Manualshive

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Q'TY

No. PARTS

NAME

PART No.

REMARK

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

LV-B2461CL

LV-B1861CL

LG Brand

NSP

NSP

NSP

NSP

NSP

NSP

LG Brand

LG Brand

M8, NSP

DIFFUSER ASSY

DIFFUSER FRAME

PACKING, DIFFUSER UPPER

PACKING, DIFFUSER LOWER

PACKING, DISPLAY

WINDOW DISPLAY ASSY

WINDOW, DISPLAY

DISPLAY PWB ASSY

COVER, DISPLAY

LEAD WIRE ASSY

SUPPORTER, VANE

VANE, UPPER ASSY

VANE, LOWER ASSY

LOUVER, VERTICAL

LINK

BRACKET, STEP

STEPPING MOTOR ASSY

PANEL, FRONT

AIR FILTER

HANGER, INLET

INLET GRILLE ASSY

INLET GRILLE

HOOK, INLET

BRACKET, INLET

MAGNET

GUIDE, FILTER-SIDE

GUIDE, FILTER-SIDE

GUIDE, FILTER-CENTER

PLATE, SIDE-R

PLATE, SIDE-L

PLATE, INSTALL

PLATE, INSTALL

DRAIN HOSE ASSY

REMOCON ASSY

BRACKET, BODY

BOLT, WASHERED

THERMISTOR ASSY

3023AP1249B

3022AP1283A

3920AP7114A

3920AP7105A

3920AP7166A

3545AP7224A

3790AP7080A

6871AQ3263A

3550AP4250A

6631AQ3138C

4980AP4248A

5991AP2867A

5991AP7334A

4758AP4249A

4520AP4263A

4810AP4252B

4681AR2727G

3720AP2767P

5230AP7093A

4990AP7094A

5237AP2817A

5236AP1236A

4480AP4262A

4810AP7096A

5016AP4294A

4974AP7095A

4974AP7095B

4974AP4257A

3300AP2792A

3300AP2776A

3300AP2773D

3300AP2773C

5251AP2460

6711A20010J

4810AP4273A

3A00255A

6323AQ2333

1

1

2

1

1

1

1

1

1

1

2

1

1

12

6

1

2

1

2

2

1

1

4

1

4

1

1

1

1

1

1

1

1(B)

1

1

4

1Y

1

1

2

1

1

1

1

1

1

1

2

1

1

12

6

1

2

1

2

2

1

1

4

1

4

1

1

1

1

1

1

1

1(B)

1

1

4

1J

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Summary of Contents for LV-1861HL

Page 1: ...Room Air Conditioner Convertible Type SERVICE MANUAL MODEL LV B2461CL 2461HL LV B1861CL 1861HL ...

Page 2: ...Wiring Diagram 11 Operation Details 13 Display Function 21 Self diagnosis Function 21 Installation 22 Operation 39 Disassembly of the parts Indoor Unit 41 2 way 3 way Valve 45 Cycle Troubleshooting Guide 52 Electronic Parts Troubleshooting Guide 53 Electronic control device 57 Schematic Diagram 58 Exploded View and Replacement Parts List 59 2 ...

Page 3: ...speed is automatically switched from high to low speed The louver can be set at the desired position or swing up and down right and left not on all models automatically The setting temperature indoor fan speed and desired operation made are automatically set by fuzzy rule Indoor Unit Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature control Starting Current Contro...

Page 4: ...eep Operation Airflow Direction Control Cooling model only Heating model only TEMPERATURE LOW HIGH Low Med High CHAOS Cooling Operation Mode Heating Operation Mode Auto Operation Mode Fan Operation Mode ON OFF SET CANCEL High 39 C LOW 11 C OFF ON OFF ON Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7hr Off Timer Fan Operates without cooling Cooling model only Cooling Heating Down to 18 C Up ...

Page 5: ... 655 x 320 Indoor 30 Outdoor 57 57 Refrigerant R 22 g 880 1 550 Airflow Direction Control Up Down Remocon Type L C D Wireless Liquid 1 4 6 35 1 4 6 35 Gas 1 2 12 7 5 8 15 88 Sleeping Operation Drain Hose Connecting Wire 0 75mm2 Main Power Cable 1 5mm2 2 5mm2 2 0mm2 for the Middle East Time Delay Safety Function Air Circulation Soft Dry Fan Speed Indoor 3 Hi Med Low Timer 24Hrs Self Diagnosis Auto ...

Page 6: ...8 98 C O P Heating w w 3 15 2 73 Indoor 1 200 x 205 x 615 Outdoor 870 x 655 x 320 Indoor 30 Outdoor 58 58 Refrigerant R 22 g 1 310 1 390 Airflow Direction Control Up Down Remocon Type L C D Wireless Liquid 1 4 6 35 1 4 6 35 Gas 1 2 12 7 5 8 15 88 Sleeping Operation Drain Hose Connecting Wire 0 75mm2 Main Power Cable 1 5mm2 2 5mm2 2 0mm2 for the Middle East Time Delay Safety Function Air Circulatio...

Page 7: ...Dimensions 1 Indoor Unit 250mm 36mm 36mm 1076mm 1200mm 205mm 615mm 392mm 265mm 468mm R 63mm 38mm 175mm Installation Plate Rear Side 7 ...

Page 8: ...Liquid side 3 way valve W L6 L7 L8 L9 L4 L11 L10 D L1 L2 L5 L3 MODEL DIM W mm 870 H mm 655 D mm 320 L1 mm 370 L2 mm 25 L3 mm 340 L4 mm 630 L5 mm 25 L6 mm 546 L7 mm 162 L8 mm 162 L9 mm 54 L10 mm 74 5 L11 mm 79 8 LV B1861CL HL LV B2461CL HL ...

Page 9: ...installed at a distance of 15m 300g of refrigerant should be added 15 5 x 30g 300g Pipe size Diameter Piping length m Elevation m MODEL Gas Liquid Rated Max Rated Max LV B1861CL 1 2 1 4 5 15 5 8 LV B2461CL 5 8 1 4 5 20 5 8 INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER CONDENSER COMPRESSOR GAS SIDE LIQUID SIDE CAPILLARY TUBE 9 ...

Page 10: ...0g of refrigerant should be added 15 5 x 30g 300g 10 INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGER HEAT EXCHANGER COMPRESSOR GAS SIDE LIQUID SIDE CAPILLARY TUBE COOLING HEATING REVERSING VALVE CHECK VALVE CAPILLARY TUBE Pipe size Diameter Piping length m Elevation m MODEL Gas Liquid Rated Max Rated Max LV B1861HL 1 2 1 4 5 15 5 8 LV B2461HL 5 8 1 4 5 20 5 8 ...

Page 11: ... W 1 2 3 RY M RY H TERMINAL BLOCK 1 L 2 N 3 4 5 6 7 8 CONVERTIBLE HEAT PUMP STEP MOTOR TO OUTDOOR UNIT TO OUTDOOR UNIT INDOOR DISPLAY PCB ASSY MAIN PCB ASSY TRANS FORMER THERMISTOR CN TH CN TRANS CN FAN RY L OR RD BL BL BK MOTOR CAPACITOR BR YL GN YL GN YL GN YL FUSE T3 15A STEP MOTOR RY COMP CN 4WAY CN UP DOWN 1 2 POWER INPUT BR BL WH CN DISP DOOR S W 1 2 4 3 RY M RY H TERMINAL BLOCK 1 L 2 N 3 4 ...

Page 12: ... 3 4 5 6 7 TERMINAL BLOCK HIGH PRESSURE S W FOR HEATING BK BK BK BK WH BR BL BK BK YL BR OR YL CONVERTIBLE HEAT PUMP OUTDOOR COMP BL RD GN YL GN YL GN YL BK BK L3 L2 L1 CAPACITOR REVERSING COIL THERMISTOR CAPACITOR FAN MOTOR R C S TO INDOOR UNIT 3 4 5 6 7 TERMINAL BLOCK HIGH PRESSURE S W FOR HEATING BK BK BK BK WH BR BL BK BK YL BR OR YL TO INDOOR UNIT COMP CAPACITOR FAN MOTOR R S C H F C 3 4 TERM...

Page 13: ...s to swing the louver up and down automatically and to set it at the desired position The procedure is as the following 1st Press the ON OFF Button to operate the product 2nd Press the Airflow Direction Control Button to swing the louver up and down automatically 3nd Repress the Airflow Direction Control Button to set the louver as the desired position MODE0 1 2 3 4 5 6 7 135 Cooling MODE MODE MOD...

Page 14: ...The operation will be stopped after 1 2 3 4 5 6 7 hours Heating Mode with the Sleep Mode The operation will be stopped after 1 2 3 4 5 6 7 hours Intake Air temp COMP ON SET TEMP 0 5 C COMP OFF SET TEMP 0 5 C More than More than 3 minutes 3 minutes INDOOR FAN Low Low Low Low Low COMPRESSOR ON OFF ON OFF ON 30 minutes 30 minutes 1 C 1 C 14 Setting Temp 3 C Compressor OFF Setting Temp Compressor ON I...

Page 15: ...t Dry Cooling Operation Condition Intake air Temperature Setting temperature Fan speed Air Direction Control Over 26 C 25 C Over 24 C below 26 C Intake air 1 C Over 22 C below 24 C Intake air 0 5 C Over 20 C below 22 C intake air temperture below 20 C 20 C Over 20 C below 30 C Fuzzy control below 20 C 20 C over 30 C 30 C below 21 C below 24 C Over 24 C Over 21 C When Auto Operation initial start W...

Page 16: ...mpressor ON temperature Setting temperature Compressor OFF temperature Setting temperature 3 C 1 f rhythm louver operation In Auto operation mode when pressing the vertical air direction control button lou ver moves as following cycle 16 Intake Air temp below 20 C over 20 below 21 C Setting temp 20 C Intake air temp 0 5 C 21 5 C 20 C 20 C Intake Air temp Setting temp 20 5 C 21 C MODE0 MODE1 MODE2 ...

Page 17: ...ting fan speed LOW Cooling on temp Setting temp 0 5 Setting CHAOS Natural wind Setting temp Cooling off temp Setting temp 0 5 CHAOS Natural wind COMP ON COMP OFF GRAPH of Natural wind by the CHAOS logis During Cooling operation Intake Air temp 30sec OUTDOOR FAN COMP INDOOR FAN Setting fan speed LOW Heating off temp Setting temp 3 0 Setting CHAOS Natural wind Heating on temp Setting temp CHAOS Natu...

Page 18: ...etting temp Compressor ON minimum 1min minimum 3min Fan Stops Low Fan Low Fan Low Fan Fan Stop Selected Fan Selected Fan Low Fan Selected Fan minimum 3min minimum 30sec minimum 1min OUTDOOR FAN COMPRESSOR 8 Hot Start Control The indoor fan stops until the evaporator piping temperature will be reached to 28 During heating operation if piping temperatures falls below 26 C fan stops The operation dia...

Page 19: ...T ON OFF ON INDOOR FAN Low Fan Low Fan Intake Air temp Setting temp 1 0 C Compressor ON Setting temp 0 5 C Compressor OFF Setting temp 2min 58sec 2min 58sec 10min 10min 7min Within 7min Cooling Cooling OUTDOOR FAN COMPRESSOR Selected Fan Selected Fan ON ON ON ON OFF OFF OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF 10 Soft Dry Operation During Soft Dry Operation the compressor ON temperature i...

Page 20: ...er sets 15 Auto Restarting Operation When the power is restored after a sudden power failure while in appliance operation the mode before the power failure is kept on the memory and the appliance should be on the automatically operates in the mode on the memory Operation Mode that is kept on the memory State of Operation ON OFF Operation Mode Setting Temp Selected airflow Speed Sleep Timer Mode Re...

Page 21: ...y of the compressor and the temperature of the indoor pipe is over 7 C the compressor and the outdoor fan is reoperated 2 Thermistor Cut Off or Short Cut Off Short Blinks on and off the operation mode LED 0 5 sec ON 3 sec OFF Coolling Soft Dry Fan Heating Timer Mode Sleep Mode Hot start Deice Operation Indicator Timer Indicator Sleep Timer Indicator Deice Indicator Coolling Soft Dry Fan Heating Ti...

Page 22: ...diation from the condenser is not restricted There should not be any animals or plants which could be affected by hot air discharged Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles 3 Piping length and the elevation 1 Installation of Indoor Outdoor Unit More than 20cm More than eye level More than 20cm R R More than 20cm More than 20cm Ceiling installation Floor...

Page 23: ... right side Detach the Inlet Grille from the Indoor Unit 1 Installation on the ceiling Measure and mark the position for the Suspen sion bolts and the piping hole Drill the hole for anchor nut on the ceiling Before secure the Installation Plates select the bent direction of the Installion Plate to the inside or the outside according to the installation circumstances Drill the piping hole on the wa...

Page 24: ...ft and right side of the unit to the lower slot of Installation Plates Adjust a level with a level gauge on the direction of left right back forth by adjusting suspension bolts Move the hooks on the unit to the upper slot of Installation Plates Then the unit will be declined to the bottomside so as to drain well Washer Nut Suspension bolts Ceiling Anchor nut Suspension bolts Spring washer max 12mm...

Page 25: ...inimum thickness of the insulation for the connecting pipe shall be 7mm 3 If the Installation Plates are fixed to horizontal line the indoor unit after installing will be declined to the bottomside CAUTION The unit must be horizontal or declined to the drain hose connected when finished installation The unit must be declined to the bottomside of the unit when finished installation ...

Page 26: ...et hanger Hook Cabinet Bottom Secure the unit to the Installation Plates with four M8 bolts and washers Hook up the Inlet Grille Hook to the cabinet Hang the Inlet Hanger to the screw Fit the projection hooks of the side plates to the Side Panel and the Front Panel by lifting it Fasten the screws ...

Page 27: ...lted to the drain direction after considering the direction of drain hose Drill the hole for anchor nut on the wall Drill the piping hole on the wall slightly tilted to the out door side using a ø70 hole core drill Secure the Install Plate onto the wall with four anchor bolts washers and spring washers Before secure the Install Plates select the bent direc tion of the Install Plate to the inside o...

Page 28: ...ate Secure the unit to the Installation Plate with four M8 bolts and washers Hook up the Inlet Grille Hook to the cabinet Hang the Inlet Hanger to the screw Fit the projection hooks of the side plates to the Side Panel and the Front Panel by lifting it Fasten the screws R 2 1 Before working refer to Connecting pipe and cable to Indoor Unit on page 32 Inner slot ...

Page 29: ...Engage the slot at the back of the unit with Mount Bracket Drill the piping hole with 70mm dia hole core drill Piping hole should be slightly slant to the outdoor side After Installing reassemble detached parts Hang the Inlet Grille and hook the Inlet Hanger to the Hanger Screw Assemble the Side Plates R L with 2 screws on both left and right side Floor mount bracket Slot Floor mount bracket Insta...

Page 30: ...op in the tubing 3 Putting nut on Remove flare nuts attached to indoor and out door units than put them on pipe tube having completed burr removal Not possibe to put them on after flaring work 4 Flaring work Carry out flaring work using flaring tool as shown below Firmly hold copper tube in a die as indicated dimen sion in the table above 5 Check Compare the flared work with figure below If flare ...

Page 31: ...screw 2 For the Bottom Side Piping Remove the knock out on the bottomside of Inlet Grille Align the center of the pipings and sufficiently tighten the flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks Connect the Drain Hose insulated to the drain outlet Hang the drain hose on the hose hanger and fix it to the hole of cabinet bottom with a screw 2 Conne...

Page 32: ...g tube align the center of the pipings and sufficiently tighten the flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks Connect the Drain Hose insulated to the drain outlet Tape the Drain Hose to the pipings to avoid coming off the drain outlet 3 For the Right Bottom Piping Align the center of the pipings and sufficiently tighten the flare nut with finge...

Page 33: ...w on the wrench 1 Checking the Drainage 1 Remove the Air Filter To remove air filter take hold of tab and pull slightly upwards 2 Check the drainage Spray one or two glasses of water upon the evaporator Ensure that water flows drain hose of indoor unit without any leakage 4 Connecting Pipes to the Outdoor Unit 5 Checking the Drainage R Liquid side piping Smaller Dia Gas side piping Bigger Dia Torq...

Page 34: ... 75mm2 The power cord connected to the indoor unit should be complied with the following specifications Type H05VV F Indoor approved by HAR or SAA The power connecting cable connected between the indoor and outdoor unit should be complied with the following specifications Type H07RN F approved by HAR or SAA The connecting cable connected between the indoor and outdoor unit should be complied with ...

Page 35: ...ed during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 7 Confirm that the cable thickness is ...

Page 36: ...the wall by saddle or equivalent 2 Tape the Pipings and Connecting cable from bottom to top 3 Form the pipings gathered by taping along the exterior wall and make the trap prevent water from entering into the room 4 Fix the pipings onto the wall by saddle or equivalent In case of the Outdoor unit being installed below position of the Indoor unit In case of the Outdoor Unit being installed above po...

Page 37: ...ve open 3 way valve Close Cap Service port cap Hexagonal wrench No leakage found leakage found Result leakage persists leakage ceased leakage ceased 5 To open liquid side valve again turn the valve stem counter clockwise until it stops 6 To purge the air push the pin on the service port of gas side valve for three seconds with a hexagonal wrench and set it free for one minute Repeat this three tim...

Page 38: ...ceil ing please change the slide switch which is on the Main PCB Assembly to the CEILING state The initial state of the slide switch is set for the bottom installation 1 Connection of power supply 1 Connect the power supply cord to the inde pendent power supply Circuit breaker is required 2 Prepare the remote control Insert two batteries provided Remove the battery cover from the remote con trolle...

Page 39: ... the time of starting and stopping operation TIME SETTING BUTTONS Used to adjust the time TIMER SET CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation AIR FLOW DIRECTION START STOP BUTTON Used to stop or start louver movement and set the desired up down airflow direction SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATI...

Page 40: ...nd stopping operation TIME SETTING BUTTONS Used to adjust the time TIMER SET CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation AIR FLOW DIRECTION START STOP BUTTON Used to stop or start louver movement and set the desired up down airflow direction SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circu...

Page 41: ...chassis Remove the screws securing the side plate and push to the bottom side Unhook the hanger from the hanger screw at the left and the right side Pick out the inlet grille 3 Remove the lower air guide Remove a screw of both side fixing barrier air guide Remove the screws of both sides of the lower air guide Remove the lower air guide toward arrow mark by turning upwards as shown in figure R R R...

Page 42: ...o the fan motor shaft do not remove Remove the crossflow fan by sliding it out from the shaft of fan motor 5 Remove the control box Assembly Disconnect the step motor connector fan motor connector display PCB connector thermistor connector and door switch connector from the main PCB If necessary disconnect power supply cord and connecting cable from the terminal block and remove the cord clamp scr...

Page 43: ...s of both side of diffuser assembly 4 pieces Push the upper side of cabinet strongly to pull out the inner hook of diffuser frame from the cabinet hole Take up the diffuser frame carefully not so as to harm the display PCB wires and the step motor wires 8 Remove display PCB assembly Remove the screws at the both side of display cover If necessary disconnect the display PCB connector from PCB assem...

Page 44: ... side of screws 4 pieces Pull out the drain pan assembly Be careful not to harm to the EPS packing of drain pan and the tubings of evaporator 11 Remove the evaporator Remove the screws of both sides securing the EVA barrier R L on the side cabinet Remove the screws which fasten the barrier on the evaporator and take out the barrier assembly Remove the evaporator assembly by sliding toward arrow ma...

Page 45: ...kwise counter clockwise connected manifold gauge Open Open Open with Vaccum pump Open Open Open with charging cylinder Open Open Open Open Works Shipping Air purging Installation Operation Pumping down Transfering Evacuation Servicing Gas charging Servicing Pressure check Servicing Gas releasing Servicing 1 2 3 4 5 6 Valve cap Open position Closed position Pin Service port Service port cap To outd...

Page 46: ...g the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute Repeat this three times 5 Use torque wrench to tighten the service port nut to a torque of 1 8kg cm 6 Set the gas side valve to the back seat 7 Mount the valve stem nuts to the gas side and liquid side valves 8 Check for gas leakage At this time especially check for gas leakage from the stem...

Page 47: ...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 position 6 Operate the air conditioner in cooling mode and stop it when the gauge indicates 1kg cm2 g 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indicating 3 to 5kg cm2 g 8 Disconnect the charge set and mount the ...

Page 48: ...lare 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 discharge the refrigerant until the gauge indicates 3 to 5 kg cm2 g 6 Disconnect the charge set and the gas cylinder and set the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems ...

Page 49: ... discharge the refrigerant until the gauge indicates 0 kg cm2 G If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm2 G discharge the refrigerant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be necessary to apply a evacuatin Discharge the refrigerant gradually if it is discharged too suddenly the refr...

Page 50: ...4 mmHg or less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed Lo Open Open Vacuum pump 2 Way valve Outdoor unit Liquid side Indoor unit ...

Page 51: ... 150g each time while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be discharged If the system has been charged with liquid refrigerant while operating the air conditio...

Page 52: ...room air humidity When the room air humidity is relativery higher temperature difference is smaller When the room air humidity is relatively lower temperature difference is larger 2 Check temperature and pressure of refrigeration cycle Notice 1 The suction pressure is usually 4 5 6 0 kg cm2 G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tub...

Page 53: ...OMP PIN 3 and CN 4WAY PIN 1 Is the output voltage of IC01D DC12V Is the PIN 29 of Micom DC5V Exchange Micom YES NO Check the main P C B pattern NO NO Exchange D01D D05D NO YES Exchange the transformer Is shorted the transformer output NO YES Is the output voltage of IC02D DC5V NO Is the PIN 55 64 of Micom DC5V YES Exchange IC01D Exchange IC02D NO Check the 5V P C B pattern Is the output voltage of...

Page 54: ...it the HOT mode Is IC02M operated normally Check the fan motor and connector CN FAN YES Is the each S S R any problem YES NO YES Adjust set temperature Does the temperature set all right NO Adjust set temperature Does the temperature set all right NO YES YES Exchange IC02M Exchange S S R ...

Page 55: ...ly Is the PIN 1 of CN UP DOWN DC12V Check the step motor and connector CN UP DOWN 1 2 Check the main P C B DC12V pattern NO Exchange IC01M NO YES YES YES Is the battery consumed much Is the PIN 8 of CN DISP DC5V Is the connection of CN DISP all right Exchange receiver ass y Connect CN DISP exactly NO NO Exchange the battery Check the main P C B DC5V pattern ...

Page 56: ... 6 The unit does not operate by forced operation switch YES YES NO Is 4way valve operated Check the RY 4WAY and 4way valve Exchange IC02M NO Check RY 4WAY NO YES Is the F OP key any problem Check P C B pattern check Exchange F OP key Is IC02M operated normally ...

Page 57: ... 57 Electronic control device 1 MAIN P C B ASM Heat pump P No 6871A20042A Cooling only P No P No 6871A20042D 2 DISPLAY P C B ASM P No 6871AQ3263A ...

Page 58: ...Schematic Diagram 58 ...

Page 59: ... Replacement Parts List 1 Indoor Unit 59 130911 263230 35211A 342800 359011 152302 330870 354210 352115 261704 268711 W0CZZ 346810 268712 237900 235450 159901 2 159901 1 352150 267110 137211 135314 266000 146811 135310 ...

Page 60: ...P2810 5211AP2813 4790AP2763 4790AP2763 3086AP1280A 3920AP2749A 4960AP7099A 4681AP2306 3550AP3308A 5901AR2351E 3H02821A 3550AP3309A 5238AP2255A 5238AP2337A 4790AP7335A 4790AP7335B 4994AP1245A 6871A20042D 6171AQ3198E 3H00671A 3A00093B 6600AP2059 4810AP4309A 4810AP4276A 4001AF4068A 3920AP7113A 3A01236B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 1 1 1B 1 C 1 ...

Page 61: ...INLET MAGNET GUIDE FILTER SIDE GUIDE FILTER SIDE GUIDE FILTER CENTER PLATE SIDE R PLATE SIDE L PLATE INSTALL PLATE INSTALL DRAIN HOSE ASSY REMOCON ASSY BRACKET BODY BOLT WASHERED THERMISTOR ASSY 3023AP1249B 3022AP1283A 3920AP7114A 3920AP7105A 3920AP7166A 3545AP7224A 3790AP7080A 6871AQ3263A 3550AP4250A 6631AQ3138C 4980AP4248A 5991AP2867A 5991AP7334A 4758AP4249A 4520AP4263A 4810AP4252B 4681AR2727G 3...

Page 62: ...EW ASSY PACKING CABINET TANK 3091AP2789P 4960AP2775A 4960AP1290A 5421AP2812 5211AP2810 5211AP2813 4790AP2763 4790AP2763 3086AP12080A 3920AP2749A 4960AP7099A 4681AP2306 3550AP3308A 5901AR2351E 3H02821A 3550AP3309A 5238AP2255A 5238AP2337A 4790AP7335A 4790AP7335B 4994AP1245A 6871A20042A 6171AQ3198 3H00671A 3A00093E 6600AP2059 4810AP4309A 4810AP4276A 4001AF4068A 3920AP7113A 3A01236B 1 1 1 1B 1 C 1 C 1...

Page 63: ...ET INLET MAGNET GUIDE FILTER SIDE GUIDE FILTER SIDE GUIDE FILTER CENTER PLATE SIDE R PLATE SIDE L PLATE INSTALL PLATE INSTALL DRAIN HOSE ASSY REMOCON ASSY BRACKET BODY BOLT WASHERED THERMISTOR 3023AP1249A 3022AP1283A 3920AP7114A 3920AP7105A 3920AP7166A 3545AP7224A 3790AP7080A 6871AQ3263A 3550AP4250A 6631AQ3138C 4980AP4248A 5991AP2867A 5991AP7334A 4758AP4249A 4520AP4263A 4810AP4252B 4681AR2727G 372...

Page 64: ...Outdoor Unit 64 435512 554031 437212 435511 W6640 552203 1 552203 2 430411 554160 447910 W0CZZ 1 546810 559010 437211 552102 2 349600 561410 566000 552202 552560 268711 1 263230 1 W0CZZ 2 552102 1 552201 ...

Page 65: ...e Straight type CAPILLARY tube Straight type COVER CONTROL HOLDER COND FAN MOTOR MOUNT MOTOR EXTRA FAN BARRIER ASM FRONT PANEL ASM COVER TOP PANEL REAR CHECK VALVE 3A02084 5402AR2347 5403A20022 2A00715L 5416AR1411 3A90082 2H02479B 2A00392 2H01890 2A00921 3A02028B 3A02027A 3A02524C 2A00928A 4G00103 6120AR2359 6120AR2194 2A00986 2A00986D 6871A20015 3Q35015 5424AR3448 3H01372 5424AR3448 3H01535 3A019...

Page 66: ...P No 3828A90016G November 1999 Printed in Korea ...

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