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Disassembly of the parts (Indoor unit)

Warning :

Disconnect the unit from power supply before mak-
ing any checks.
Be sure the power switch is set to “OFF”.

To remove the Grille from the Chassis.

• Set the up-and-down air discharge louver to open

position (horizontally) by finger pressure.

• Remove the securing screws
• To remove the Grille, pull the lower left and right

side of the grille toward you (slightly tilted) and lift
it straight upward.

1. To remove the sensor, housing connect, earth

conductor & step motor conductor with sen-
sor holder, Motor, Evaporator & P.C.B.

Screw

Power

Conductor

Step Motor

Conductor

Earth

Conductor

Motor

Conductor

Sensor

Conductor

Содержание LM-1460C2L

Страница 1: ...ti Type Room Air Conditioner SERVICE MANUAL MODEL LM 1460C2L M LM 1460H2L M LM 1560C2L M LM 1723C2L M LM 1963C2L M LM 1963H2L M LM 2163C2L M LM 2163H2L M LM 2063H3L M LM 2064C3L M LM 3063C3L M LM 3063H3L M ...

Страница 2: ...ls 28 Display Function 35 Self Diagnosis Function 35 Installation 36 Operation 50 Disassembly of the parts Indoor Unit 52 2 way 3 way Valve 54 Cycle Troubleshooting Guide 58 Electronic Parts Troubleshooting Guide 59 Electronic Control Device 66 Schematic Diagram 69 Exploded View Replacement Parts List 73 2 Contents ...

Страница 3: ...is switched to intermittent or irregular operation The fan speed is automatically switched from high to low speed The louver can be set at the desired position or swing up and down automatically Indoor Unit Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature control Starting Current Control Time Delay Safety Control Indoor Fan Speed Control Operation indication Lamp...

Страница 4: ...m Temperature Display Setting the Time or Timer Airflow Direction Control Operation ON OFF Temperature Setting TEMPERATURE LOW HIGH Timer Selection ON OFF Timer Setting SET Timer Cancel CANCEL Reset Fan Speed Selection Low Med High CHAOS High 39 C LOW 11 C Down to 18 C Up to 30 C Cooling OFF ON OFF ON Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7 Off Timer Fan Operates without cooling or h...

Страница 5: ...r 7 Outdoor 46 1 510 O L C D Wireless Liquid 1 4 6 35 Gas 3 8 9 52 3 8 9 52 O O Operation A Unit Only A Unit B Unit B Unit Only Unit Item Cooling Capacity Btu h kcal h Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W Runnig Current A E E R Btu h w Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflow Direction Control Up Down...

Страница 6: ... 46 1 510 O L C D Wireless Liquid 1 4 6 35 Gas 3 8 9 52 3 8 9 52 O O Operation A Unit Only A Unit B Unit B Unit Only Unit Item Cooling Capacity Btu h kcal h Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W Runnig Current A E E R Btu h w Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflow Direction Control Up Down Remocon Ty...

Страница 7: ...262 Indoor 10 Outdoor 46 1 600 O L C D Wireless Liquid 1 4 6 35 Gas 3 8 9 52 3 8 9 52 O O Operation A Unit Only A Unit B Unit B Unit Only Unit Item Cooling Capacity Heating Capacity Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W A E E R Btu h w C O P Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflow Direction Control Up...

Страница 8: ...425 O L C D Wireless Liquid 1 4 6 35 Gas 3 8 9 52 3 8 9 52 O O Operation A Unit Only A Unit B Unit B Unit Only Unit Item Cooling Capacity Btu h kcal h Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W Runnig Current A E E R Btu h w Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflow Direction Control Up Down Remocon Type Ser...

Страница 9: ...350 x 2 1 350 1 350 O L C D Wireless Liquid 1 4 6 35 Gas 3 8 9 52 O O Operation A Unit Only A Unit B Unit B Unit Only Unit Item Cooling Capacity Btu h kcal h Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W Runnig Current A E E R Btu h w Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflow Direction Control Up Down Remocon T...

Страница 10: ...door 63 1 030 1 030 O L C D Wireless Liquid 1 4 6 35 Gas 3 8 9 52 O O Operation A Unit Only A Unit B Unit B Unit Only Unit Item Cooling Capacity Heating Capacity Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W A E E R Btu h w C O P Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflow Direction Control Up Down Remocon Type S...

Страница 11: ...utdoor 58 1 150 850 O L C D Wireless Liquid 1 4 6 35 Gas 1 2 12 7 3 8 9 52 O O Operation A Unit Only A Unit B Unit B Unit Only Unit Item Cooling Capacity Btu h kcal h Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W Runnig Current A E E R Btu h w Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflow Direction Control Up Down ...

Страница 12: ...0 7 Outdoor 62 1 420 860 O L C D Wireless Liquid 1 4 6 35 Gas 1 2 12 7 3 8 9 52 O O Operation A Unit Only A Unit B Unit B Unit Only Unit Item Cooling Capacity Heating Capacity Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W A E E R Btu h w C O P Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflow Direction Control Up Down ...

Страница 13: ... D Wireless 1 4 6 35 3 8 9 52 O O Operation A Unit B or C Unit A B or C B C A B C Unit Item Cooling Capacity Heating Capacity Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W A E E R Btu h w C O P Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflow Direction Control Up Down Remocon Type Service Valve Sleeping Operation Drai...

Страница 14: ...0 x 655 x 320 Indoor 7 Outdoor 61 770 1 100 O L C D Wireless Liquid 1 4 6 35 Gas 3 8 9 52 O O Operation A Unit B or C Unit A B or C B C A B C Unit Item Cooling Capacity Btu h kcal h Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W Runnig Current A E E R Btu h w Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflow Direction C...

Страница 15: ... 800 x 320 Indoorn 10 10 Outdoor 72 1 170 2 000 O L C D Wireless Liquid 1 4 6 35 Gas 1 2 12 7 3 8 9 52 O O Operation A Unit B or C Unit A B or C B C A B C Unit Item Cooling Capacity Btu h kcal h Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W Runnig Current A E E R Btu h w Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflo...

Страница 16: ...C D Wireless 1 4 6 35 1 2 12 7 3 8 9 52 O O Operation A Unit B or C Unit A B or C B C A B C Unit Item Cooling Capacity Heating Capacity Moisture Removal h Power Source ø V Hz Air Circulation m 3 min Noise Level dB A Input W A E E R Btu h w C O P Motor Output W Dimensions W x H x D mm Net Weight kg Refrigerant R 22 at 7 5m g Airflow Direction Control Up Down Remocon Type Service Valve Sleeping Oper...

Страница 17: ...g Left rear piping ø70mm ø70mm 50mm 20mm 20mm 80mm A A ø70mm Center Center ø70mm Left rear piping Right rear piping A A D H W Tubing hole cover W mm 802 888 H mm 262 287 D mm 165 170 6K 7K 8K 9K Btu Series 9K 10K 12K Btu Series MODEL DIM 6K 7K 8K 9K 6K 7K 8K 9K 9K 10K 12K 9K 10K 12K ...

Страница 18: ... L13 L12 L11 2 Outdoor Unit 2 1 LM 1460C2L M LM 1560C2L M LM 1460H2L M LM 1723C2L M W mm 801 H mm 555 D mm 262 L1 mm 339 L2 mm 300 L3 mm 37 L4 mm 543 6 L5 mm 11 4 L6 mm 591 L7 mm 105 L8 mm 105 L9 mm 72 5 L10 mm 74 5 L11 mm 79 LM 1460C2L M LM 1560C2L M LM 1460H2L M LM 1723C2L M MODEL DIM ...

Страница 19: ...side 2 Way valve L7 L5 L6 2 2 LM 1963C2L M LM 2163C2L M LM 1963H2L M LM 2163H2L M W mm 870 H mm 655 D mm 320 L1 mm 370 L2 mm 25 L3 mm 630 L4 mm 25 L5 mm 546 L6 mm 160 L7 mm 160 L8 mm 64 L9 mm 76 5 L10 mm 50 LM 1963C2L M LM 2163C2L M LM 1963H2L M LM 2163H2L M MODEL DIM ...

Страница 20: ...6 2 3 LM 2064C3L M LM 2063H3L M LM 3063C3L M LM 3063H3L M W mm 870 870 H mm 655 800 D mm 320 320 L1 mm 370 370 L2 mm 25 25 L3 mm 630 775 L4 mm 25 25 L5 mm 546 546 L6 mm 160 160 L7 mm 160 160 L8 mm 64 64 L9 mm 76 5 76 5 L10 mm 50 50 LM 2064C3L M LM 2063H3L M LM 3063C3L M LM 3063H3L M MODEL DIM ...

Страница 21: ...d Valve Capillary Cooling Deice Heating Indoor Unit Outdoor Unit Heat Exchanger A Unit B Unit Heat Exchanger 2 WAY Valve 3 WAY Valve COMPRESSOR Indoor Unit Outdoor Unit Heat Exchanger 4 WAY Valve B Comp A Unit B Unit Heat Exchanger 2 WAY Valve 3 WAY Valve 1 LM 1460C2L M LM 1560C2L M Cooling only models 2 LM 1460H2L M Cooling Heating modes ...

Страница 22: ...iping elevation m Gas Liquid 3 8 1 4 10 15 5 7 ex Solenoid Valve Capillary Cooling Deice Indoor Unit Outdoor Unit Heat Exchanger A Unit B Unit Heat Exchanger 2 WAY Valve 3 WAY Valve COMP A UNIT B UNIT CAPILLARY TUBE LIQUID SIDE 2 WAY VALVE GAS SIDE 3 WAY VALVE HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER CONDENSER COMPRESSOR B COMPRESSOR A ...

Страница 23: ...5 7 ex Solenoid Valve Capillary Cooling Deice Heating HEAT EXCHANGER COOLING HEATING DEICE HEAT EXCHANGER CAPILLARY TUBE COMPRESSOR B COMPRESSOR A CAPILLARY TUBE 2 WAY VALVE 4 WAY VALVE B UNIT A UNIT 3 WAY VALVE 4 WAY VALVE Indoor Unit Outdoor Unit Indoor Unit Outdoor Unit Heat Exchanger A Unit Heat Exchanger Comp A Comp B B Unit C Unit Heat Exchanger 2 WAY Valve 3 WAY Valve 2 WAY Valve 3 WAY Valv...

Страница 24: ... Max piping length m Max piping elevation m Gas Liquid 3 8 1 2 1 4 10 15 5 7 ex Solenoid Valve Capillary Cooling Deice Heating Indoor Unit Outdoor Unit Heat Exchanger A Unit Heat Exchanger Comp A B Unit C Unit Heat Exchanger 2 WAY Valve 3 WAY Valve 2 WAY Valve 3 WAY Valve Comp B ...

Страница 25: ...RATION AUTO RESTART REMOTE CONTROL STEP MOTOR MOTOR MAIN PCB ASM DISPLAY PCB ASM TO OUTDOOR UNIT PILLAR TERMINAL BR BL YL GN YL 1 L 2 N 3 RY COMP 4 3 3854A20023B INDOOR WIRING DIAGRAM CN DISP1 CN U D FUSE AC250V T2A CN TH SSR SH CAPA BR YL OR BK CN POWER CN FAN ZNR THERMISTOR FORCED OPERATION AUTO RESTART REMOTE CONTROL STEP MOTOR MOTOR MAIN PCB ASM DISPLAY PCB ASM TO OUTDOOR UNIT PILLAR TERMINAL ...

Страница 26: ...OWER CN COM CN COMP FUSE 250V 3 15A MAIN P C B ASM MAIN A unit B unit BK RD R C O L P BR RD WH A UNIT TO INDOOR UNIT OUTDOOR WIRING DIAGRAM 3854A20023A B UNIT MAIN POWER 1 L 2 N 3 3 2 N 1 L 1 L 2 N BK RD BL BL BL RD POWER RELAY OR OR MOTOR YL BK O L P T B 3 T B 4 T B 1 T B 2 C R F C H S WH BL BR BK COMP B CAPACITOR NO NC C 3 6 1 7 8 BK WH BK BK TERMINAL BLOCK GN YL GN YL S COMP A YL CAPACITOR 1 L ...

Страница 27: ...ERMISTOR TRANS FORMER OLP OPTION OPTION 2 1 RY10 RY7 RY5 RY4 B COMP 1 L 1 L 2 N 1 L 2 N 2 N 3 3 3 H C F B S V C S V A 4 WAY B 4 WAY 4 3 2 1 CN SV BK T B1 BK CAPA CAPA RY1 RY2 RY3 RY7 RY8 CN TH2 CN SV CN TH1 F C H 3 1 3 1 BK BK BL BK T B2 BL BL BL WH BR BL RD WH GN YL TERMINAL BLOCK WH BK WH BK BK BK RD BK BK BR YL YL GN YL OR RD S S R R C C BK RD BL CN FAN CN COMP BK B COMP A COMP MOTOR 3 4 7 5 3 ...

Страница 28: ...r On while in timer mode on off off when timer mode is completed or canceled Defrost Indicator Off except when hot start during heating mode operation or while in defrost control 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 Te...

Страница 29: ...ion the outdoor 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 Defrost Control H P model Defrost operation is controlled by timer and sensing temperature of outdoor pipe The first defrost starts only when the outdoor pipe temperature falls below 6 C after 60 minutes passed from starting of heating operation and mor...

Страница 30: ...oor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp at that moment as follows 24 C Inatake Air Temp Fuzzy Operation for Cooling 21 C Inatake Air Temp 24 C Fuzzy Operation for Dehumidification Inatake Air Temp 21 C Fuzzy Operation for Heating If any of the operation modes among cooling dehumidification heating mode operations is carried out for 10 ...

Страница 31: ...d 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 Temp Compressor OFF Temp Setting Temp 3 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 20 C Intake Air Temp Intake Ai...

Страница 32: ... heating cycle operations are different 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 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...

Страница 33: ...nce stops operating The forced operation is carried out in cooling mode with the setting temperature 22 C and the high speed of airflow While in forced operation the key input by the remote control has no effect and the buzzer sounds 10 times to indicate the forced operation only LM 1460C2L M LM 1723C2L M LM 1963C2L M LM 2163C2L M Forced Operation H P Model To operate the appliance by force in cas...

Страница 34: ...pipe from frosting When the indoor pipe temp is 7 C or higher after 3 min pause of the compressor the compressor and the outdoor fan is turned on according to the condition of the room temperature Buzzer Sounding Operation When the appliance operation key is input by the remote control the short beep beep sounds When the appliance pause key is input by the remote control the long beep sounds When ...

Страница 35: ... of error code is different from Model Operation Indicator Timer Indicator Sleep Timer Indicator Defrost Indicator 35 Operation Indicator Timer Indicator Sleep Timer Indicator Compressor on Indicator OUT DOOR 1 once once twice twice 5times once twice 3times 3sec 3sec 3sec 3sec 3sec 3sec 3sec 3sec 3sec 3sec 3sec 2 3 5 12 Error Code Error LED Indoor body operation LED Error contents SVC check point ...

Страница 36: ...ed A place where noise prevention is taken into consideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles 2 Outdoor unit If an awning is built over the unit to prevent direct sunlight or rain exposure be careful that heat radiation from the condenser is not restricted There should not be any animals or plants which ...

Страница 37: ...h 70mm dia holecore drill Line according to the arrows marked on lower the left and the rght side of the Installation Plate The meeting point of the extended line is the center of the hole Drill the piping hole at either the right or the left and the hole should be slightly slant to the out door side Installation Plate marking off line Thread Weight Type A screw ø70mm ø70mm 5 7mm A A A A ø70mm ø70...

Страница 38: ... pipes Some refrgerant gas may leak when the flare nuts are removed from the indoor unit as some gas is charged to prevent the inside of the pipe from rusting Fit the copper pipe end into the Bar of flare tool about 0 0 5mm higher See illustration Flare the pipe ends 4 Tape the flaring portion to protect it from the dust or damages 90 Slanted Pipe cutter Rough Reamer Pipe Point down A Bar Copper p...

Страница 39: ...hrough the piping hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy con nection later 5 Tape the tubing drain hose and the connecting cable Be sure that drain hose locates at the lowest side of the bundle Locating at the upper side can be a reason that drain water overflows drain pan inside the unit Installation plate Pull Pull To remove the holder press th...

Страница 40: ...y moving it in left and right 7 Connecting the pipings to the indoor unit 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 Wrench tightening the flare nut with forque wrench ensure the direction for tightening fol lows the arrows on the wrench 8 Wrap the insulation material around the con ne...

Страница 41: ...door unit onto the upper portion of installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving it in left and right Drain hose Tubing holder Taping Piping Push 2 Hook 1 Connecting cable Drain hose Press the lower left and right side of the unit against the Installa...

Страница 42: ...phase conductors 3 The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected 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...

Страница 43: ...on the control board individually as the following 2 Secure the cable onto the control board with the holder clamper 3 Refix the cover control to the original position with the screw 4 Use a recongnized circuit breaker between the power source and the unit A disconnection device to adequately disconnect all supply lines must be fitted Caution If a power plug is not to be used provide a circuit bre...

Страница 44: ...open position horizontally by finger pressure Remove the securing screws To remove the Grille pull lower the left and right side of the grille toward you slightly tilted and lift it straight upward 2 Check the drainage Pour a glass of water on the evaporator Ensure if water flows drain hose of indoor unit without any leakage 4 Checking the Drainage and Pipe forming ...

Страница 45: ...e back into place 1 L 1 L 2 N 2 N 1 L 2 N 3 3 Terminal on the OUTDOOR UNIT Terminal on the OUTDOOR UNIT Terminal on the INDOOR UNIT A UNIT Terminal on the INDOOR UNIT A UNIT Terminal on the INDOOR UNIT Power cord Power cord Power cord B UNIT Terminal on the INDOOR UNIT B UNIT Terminal on the INDOOR UNIT C UNIT 3 3 1 L 2 N 3 1 L 2 N 3 2 N 1 L 1 L 3 B 2 N 3 A 1 L 2 N 1 L 2 N Terminal on the OUTDOOR ...

Страница 46: ... the ground Do not dip it into water and fix it on the wall to avoid swinging in the wind 2 Tape the Pipings drain hose and Connecting Cable from down to up 3 Form the pipings gathered by taping along the exterior wall and fix it onto the wall by saddle or equivalent 1 Tape the Pipings and Connectiong cable from down to up 2 Form the pipings gathered by taping along the exterior wall and the Trap ...

Страница 47: ...port nut and connect the gauge manifold and the vacuum pump to the service port by the charge hose 4 Vacuum the indoor unit and the connecting pipes until the pressure in them lowers to below 76cmHg 5 Disconnect the charge hose and fit the nut to the service port Tightening torque 1 8kg m 6 Remove the valve stem nuts and fully open the stems of the 2 way and 3 way valves with a hexagon wrench 7 Ti...

Страница 48: ...d than indoor unit Charge amount per 1m 6 Preventive function of cable mis connection Cooling Heating This product has a preventive function of cable mis connection In case of mis connection in case that the cables between indoor and outdoor units have not been connected properly it gives a warning signal of LED flickering 3 minutes after starting operation Press the forced operation key more than...

Страница 49: ...mance 1 Measure the temperature of the intake and discharge air 2 Ensure the difference between the intake temperature and the discharge one is more than 8 C 1 Connection of power supply 1 Connect the power supply cord to the inde pendent power supply 2 Prepare the remote control Insert two batteries provided Remove the battery cover from the remote con troller Slide the cover according to the arr...

Страница 50: ...the button is pressed again OPERATION MODE SELECTION BUTTON Used to select the operation mode ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature INDOOR FAN SPEED SELECTOR Used to select fan speed in four steps low medium high or CHAOS JET COOL Used to start or stop the speed cooling Speed cooling operates super high fan speed in cooling mode CHAOS SWING BUTTON Used to stop or sta...

Страница 51: ...ration 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 SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating turns indoor fan on off ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature...

Страница 52: ...rge louver to open position horizontally by finger pressure Remove the securing screws To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward 1 To remove the sensor housing connect earth conductor step motor conductor with sen sor holder Motor Evaporator P C B Screw Power Conductor Step Motor Conductor Earth Conductor Motor Cond...

Страница 53: ...or and the holder eva Unhook the tab on the right inside of the chas sis at the same time slightly pull the evapora tor toward you until the tab is clear of the slot 5 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Lift up the right side of the cross flow fan and the fan motor separate the fan motor from the cross flow fan Remove the left e...

Страница 54: ...ransfering clockwise counter clockwise connected manifold gauge Evacuation Open Open Open Servicing with charging cylinder Gas charging Open Open Open Servicing with charging cylinder Pressure check Open Open Open Servicing with charging cylinder Gas releasing Open Open Open Servicing with charging cylinder 54 2 way 3 way Valve 3 2 1 4 5 6 Flare nut To piping connection Open position Closed positi...

Страница 55: ...he gauge slightly to air purge from the hose 5 Set the liquid side valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm2 g 7 Immediately set the gas side valve to the closed position Do this quickly so that the gauge ends up indi cating 1kg c m2 g 8 Disconnect the charge set and mount the liquid side and gas side valve caps and...

Страница 56: ...acuum of 4 mmHg or less 5 Close the Low handle of the gauge turn off the vacuum pump and confirm that the gauge nee dle does not move approximately 5 minutes after turning off the vacuum pump 6 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or deplet ed replenish as needed 7 Mount the valve caps and the service port caps 8 Apply steps from 1 to...

Страница 57: ...ycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the gas side 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 conditioner turn off the air conditioner before disconnecting the hose ...

Страница 58: ... 5 6 0 kg cm2 G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty 58 Cycle Troubleshooting Guide Temp difference approx 0 C Current less than 80 of rated current Temp difference approx 8 C Current less than 80 of rated current Temp difference less than 8 C Current over the rated current Temp difference over 8 C Temp...

Страница 59: ...connection housing for contacting Connector related to CN POWER Display PWB Ass y Check Connector related to CN TAB1 Compressor LM 2163C2L M Check each load Indoor Outdoor Fan Motor Compressor Stepping Motor etc and contacting condition of related connector PCB Board Operation Check Items Power Transformer Outdoor unit Input Voltage Output Voltage X IC01D 7812 Output Indoor Outdoor unit X IC02D 78...

Страница 60: ...t the wind speed is not controlled by the remote controller When operated in the Sleeping Mode the wind speed is set to the low speed by force Check DISP PWB Ass y Voltage between CN DISP1 DC 5V When the detect switch double key inside the remote controller door is fault it is impossible to operate temperature regulating ª and wind speed selecting Check the connecting circuit between the remote co...

Страница 61: ...for indoor temperature and connector are in bad connection or are not engaged Compressor Outdoor Fan is stopped Check the related circuit of R02H 12 1K R01H 1 0K R04H 6 2K R03H 1 0K Indoor unit Check the indoor temperature sensor is disconnected or not About 10kΩ at 25 C Check Outdoor Unit Check Relay RY COMP for driving compressor When the power About AC220V 240V is applied to the connecting wire...

Страница 62: ...ON Main Power Check the related circuit of indoor Fan Motor The pin of Micom and the part for driving SSR Check the pattern Check the SSR SSR Open Indoor Fan Motor never operate SSR 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 FAN or CN MOTOR About AC 180V over About AC 50V over SSR is not damaged SSR...

Страница 63: ...ndition of CN U D Connector Check the soldering condition on PWB of CN U D Connector If there are no problems after above checks Confirm the assembly conditions that are catching and interfering parts in 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 and GND...

Страница 64: ... Check the related circuit of R02H 12 1K R01H 1 0K R04H 6 2K R03H 1 0K Check the indoor room temperature is disconnected or not about 10KΩ at 25 C Check the indoor pipe temperature is disconnected or not about 5KΩ at 25 C Turn ON Main Power Check the DC voltage on the PWB ASS Y The details of check are as followings Check point Between two pin of DC part in relay for COMP Comp ON Below DC 1V Comp ...

Страница 65: ...ion error The control data can be transmitted or received between indoor and outdoor unit with one signal cable If the data be disturbed by any noise level the unit will be operated incorrectly In this case the indoor unit blinks the operation and operation LED on display and indoor fan outdoor fan COMP are not operated The unit can be reoperated by On Off control of Remocon Check Outdoor Unit Tur...

Страница 66: ... ASM LM 1460H2L M LM 1963H2L M LM 2163H2L M LM 2064C3L M LM 2063H3L M LM 3063C3L M LM 3063H3L M 66 Electronic Control Device 1 Indoor MAIN P C B ASM LM 1460C2L M LM 1560C2L M LM 1723C2L M LM 1963C2L M LM 2163C2L M ...

Страница 67: ... 67 2 Outdoor MAIN P C B ASM LM 1460C2L M LM 1560C2L M LM 1460H2L M LM 1723C2L M LM 2064C3L M LM 2063H3L M LM 1963H2L M LM 2163H2L M LM 3063C3L M LM 3063H3L M ...

Страница 68: ... 68 3 Display Ass y ...

Страница 69: ... 69 Schematic Diagram 1 Indoor 1 1 LM 1460C2L M LM 1560C2L M LM 1723C2L M LM 1963C2L M LM 2163C2L M ...

Страница 70: ... 70 1 2 LM 1460H2L M LM 1963H2L M LM 2163H2L M LM 2064C3L M LM 2063H3L M LM 3063C3L M LM 3063H3L M ...

Страница 71: ... 71 2 Outdoor 2 1 LM 1460C2L M LM 1560C2L M LM 1723C2L M ...

Страница 72: ... 72 2 2 LM 1460H2L M LM 1963H2L M LM 2163H2L M LM 2063H3L M LM 2064C3L M LM 3063H3L M LM 3063C3L M ...

Страница 73: ... 73 Exploded View Replacement Parts List 1 Indoor Unit 6K 7K 8K 9K Btu Models 10 24 25 23 28 27 21 19 22 7 6 18 4 5 1 2 3 20 9 31 8 15 12 11 16 13 26 14 17 29 30 ...

Страница 74: ...6871F30009 PWB PCB ASSY DISPLAY 1C 1C 1C 1C 1F 17 6323AQ2333 THERMISTOR ASSY 1B 1A 1A 1B 1B 18 4681AR2727 STEPPING MOTOR 1H 1H 1H 1H 1H 19 5251AR2575 DRAIN HOSE ASM 1A 1A 1A 1A 1A 20 5990AR7225 VANE 1A 1A 1A 1A 1A 21 3531A10005 DISCHARGE GRILLE ASM 1A 1A 1A 1A 1A 22 5008AR1573 DISCHARGE GRILLE 1A 1A 1A 1A 1A 23 3531A20003 INLET GRILLE 1N 1N 1N 1N 1U 24 3531A10001 FRONT GRILLE ASM 1W 1W 1W 1W 3531A...

Страница 75: ... 75 2 Indoor Unit 6K 7K 8K 9K Btu Models 10 24 25 23 28 27 21 19 22 7 6 18 4 5 1 3 20 9 31 8 15 12 11 16 13 26 14 17 29 30 2 ...

Страница 76: ...6 6871A30009 PWB PCB ASSY DISPLAY 1C 1C 1C 1C 17 6323AQ2333 THERMISTEOR ASSY 1A 1A 1A 1A 18 4681AR2727 STEPPING MOTOR 1H 1H 1H 1H 19 5251AR2575 DRAIN HOSE ASM 1A 1A 1A 1A 20 5990AR7225 VANE 1A 1A 1A 1A 21 3531A10005 DISCHARGE GRILLE ASM 1A 1A 1A 1A 22 5008AR1573 DISCHARGE GRILLE 1A 1A 1A 1A 23 3531A20003 INLET GRILLE 1M 1M 1M 1M 24 3531A10001 FRONT GRILLE ASM 1X 1X 1X 1X 25 3530AR1576 FRONT GRILLE...

Страница 77: ... 77 3 Indoor Unit 9K 12K Btu Models 10 25 26 24 29 28 22 19 23 7 6 18 4 5 1 3 20 21 9 32 8 15 12 11 16 13 27 14 17 30 31 2 ...

Страница 78: ...1M 16 6871A30009 PWB PCB ASSY DISPLAY 1E 1E 1E 17 6323AQ2333 THERMISTEOR ASSY 1A 1A 1A 18 4681AR2727 STEPPING MOTOR 1H 1H 1H 19 5251AR2575 DRAIN HOSE ASM 1A 1A 1A 20 5990A30006 VANE 1A 1A 1A 21 5990A30007 VANE 1A 1A 1A 22 3531A10023 DISCHARGE GRILLE ASM 1B 1B 1B 23 3530A10018 DISCHARGE GRILLE 1A 1A 1A 24 3531A20028 INLET GRILLE 1D 1D 1D 25 3531A10024 FRONT GRILLE ASM 1J 1J 1J 26 3530A10020 FRONT G...

Страница 79: ... 79 4 Indoor Unit 9K 12K Btu Models 10 25 26 24 29 28 22 19 23 7 6 18 4 5 1 3 20 21 9 32 8 15 12 11 16 13 27 14 17 30 31 2 ...

Страница 80: ... 1J 1M 16 6871A30009 PWB PCB ASSY DISPLAY 1E 1E 1E 17 6323AQ2333 THERMISTEOR ASSY 1A 1A 1A 18 4681AR2727 STEPPING MOTOR 1H 1H 1H 19 5251AR2575 DRAIN HOSE ASM 1A 1A 1A 20 5990A30006 VANE 1A 1A 1A 21 5990A30007 VANE 1A 1A 1A 22 3531A10023 DISCHARGE GRILLE ASM 1B 1B 1B 23 3530A10018 DISCHARGE GRILLE 1A 1A 1A 24 3531A20028 INLET GRILLE 1C 1C 1C 25 3531A10024 FRONT GRILLE ASM 1L 1L 1L 26 3530A10020 FRO...

Страница 81: ... 81 5 Outdoor Unit LM 1460C2L M LM 1560C2L M LM 1723C2L M 20 22 36 18 37 9 10 8 12 11 4 5 7 16 17 6 13 14 23 21 15 34 2 3 19 32 31 24 25 1 28 30 33 26 27 29 35 ...

Страница 82: ...1 4 2H 2H 2B 18 1H00697 PANEL ASSY REAR 1L 1L 1L 19 3H03168 HANDLE 1A 1A 1A 20 2H01451 CAPACITOR 1T 1T 1V 21 4H01008 CLAMP CAPACITOR 1A 1A 1A 22 4G00103 TERMINAL BLOCK 1A 1A 1A 23 3H00390 TERMINAL BLOCK 1A 1A 1A 24 1H00858 MOTOR ASSY AC 1D 1D 24 4681AR1392 MOTOR ASSY AC 1R 25 5900AR1119 FAN ASSY PROPELLER 1B 1B 1B 26 1WPA080001A WASHER PLAIN 1 1 1 27 4H02861A NUT 1 1 1 28 2H01992 ORIFICE 1C 1C 1C ...

Страница 83: ... 83 6 Outdoor Unit LM 1460H2L M 22 24 38 20 39 9 10 8 12 11 4 5 7 18 19 6 15 13 14 16 25 23 17 36 2 3 21 34 33 26 27 1 30 32 35 28 29 31 37 ...

Страница 84: ...93 VALVE SERVICE 3 8 2T 19 2H02497 VALVE SERVICE 1 4 2H 20 1H00697 PANEL ASSY REAR 1L 21 3H03168 HANDLE 1A 22 2H01451 CAPACITOR 1S 23 4H01008 CLAMP CAPACITOR 1A 24 4G00103 TERMINAL BLOCK 1A 25 3H00390 TERMINAL BLOCK 1A 26 4681AR1392 MOTOR ASSY AC 1Q 27 5900AR1119 FAN ASSY PROELLER 1B 28 1WPA0800014 WASHER PLAIN 1 29 4H02861A NUT 1 30 2H01992 ORIFICE 1C 31 3721A20014 PANEL ASSY FRONT 1E 32 1H00840 ...

Страница 85: ... 85 7 Outdoor Unit LM 1963C2L M LM 2163C2L M 37 38 1 32 31 30 29 2 17 22 39 26 27 19 21 20 21 9 12 11 10 5 13 14 17 15 18 16 23 25 28 24 7 8 40 41 36 34 33 35 4 6 3 ...

Страница 86: ... 19 2H01890 VALVE SERVICE 1 2 1D 2A00393 VALVE SERVICE 3 8 1S 20 2A00393 VALVE SERVICE 3 8 1S 1S 21 2H02479 VALVE SERVICE 1 4 2D 2B 22 3720AP0003 PANEL ASSY REAR 1F 1F 23 3A00988 CAPACITOR 1B 2A00986 CAPACITOR 1G 24 6120AR2194 CAPACITOR 1F 1F 25 4H00442 CLAMP CAPACITOR 1P 1P 26 3A00390 TERMINAL BLOCK 1A 1A 27 3A00093 TERMINAL BLOCK 1A 1A 28 3A00261 POWER RELAY 1C 1C 29 4681A20013 MOTOR ASSY AC 1A ...

Страница 87: ... 87 8 Outdoor Unit LM 1963H2L M LM 2163H2L M 45 46 1 2 29 28 30 47 8 25 21 23 10 13 12 11 15 16 19 17 18 14 9 40 39 42 41 43 7 22 20 5 4 6 24 27 27 26 49 48 35 34 31 32 36 52 33 37 38 44 51 50 3 ...

Страница 88: ...COVER 1 1 16 4H00947 NUT HEXAGON FLANGE 2A 2A 17 4810AR4155 BRACKET WASHER 3A 4H01811 3C 18 4810AR4155 BRACKET WASHER 3A 3A 19 1NHA0801206 NUTS HEXAGON 1 6 6 20 5220AR3084 VALVE REVERSING 1A 3A02027 1A 21 5220AR3084 VALVE REVERSING 1A 1A 22 6141AR3509 COIL ASSY REVERSING VALVE 1C 1C 23 6141AR3509 COIL ASSY REVERSING VALVE 1D 1D 24 4908AR1016 SUPPORTER VALVE 1F 1F 25 2A00393 VALVE SERVICE 3 8 1S 2H...

Страница 89: ...FICE 1A 1A 42 3721A20004 PANEL ASSY FRONT 1E 1E 43 3530A20007 GRILLE ASSY DISCHARGE 1B 1B 44 4960AP1361 MOUNT MOTOR 1A 1A 45 3H03266 COVER ASSY TOP 1L 1L 46 4791A30004 BARRIER ASSY OUTDOOR 1A 1A 47 3551AP7042 COVER ASSY CONTROL 1D 1D 48 4H01050 CLIP 2A 2A 49 4H2958 CLAMP CORD 1A 1A 50 6871A20031 PWB PCB ASSY MAIN 1J 1J 51 6323AQ2333 THERMISTOR ASSY 1A 1A 52 6171AQ3198 TRANSFORMER POWER 1A 1A No PA...

Страница 90: ... 90 9 Outdoor Unit LM 2064C3L M 40 41 1 2 25 42 6 23 24 20 21 19 10 13 12 11 14 15 18 16 17 9 35 34 37 36 38 8 4 5 7 22 44 43 45 31 29 30 46 28 47 32 33 27 39 26 3 ...

Страница 91: ...PORTER VALVE 1E 23 2A00393 VALVE SERVICE 3 8 3S 24 2H02479 VALVE SERVICE 1 4 3D 25 3720AP0003 PANEL ASSY REAR 1F 26 6120AR2194 CAPACITOR 1F 27 2A00986 CAPACITOR 1G 28 4H00442 CLAMP CAPACITOR 1P 29 3A00093 TERMINAL BLOCK 1A 30 3A00390 TERMINAL BLOCK 1A 31 3A00390 1B 32 4681A20013 MOTOR ASSY AC 1A 33 1A00195 FAN ASSY PROPELLER 1B 34 1WPA0800014 WASHER SPRING LOCK 1 35 1NHA0801206 NUTS HEXAGON 1 1 36...

Страница 92: ... 92 10 Outdoor Unit LM 2063H3L M 45 46 1 2 30 29 31 47 27 18 23 24 25 22 20 8 9 12 10 14 17 16 15 13 11 39 40 42 41 43 6 21 19 4 5 7 26 28 49 48 35 33 32 36 52 34 37 38 44 51 50 3 ...

Страница 93: ...ALVE REVERSING 1A 20 6141AR3509 COIL ASSY REVERSING VALVE 1A 21 6141AR3509 COIL ASSY REVERSING VALVE 1B 22 5220A90002 VALVE SOLENOID 3A 23 6421A20001 SOLENOID ASSY 1E 24 6421A20001 SOLENOID ASSY 1F 25 6421A20001 SOLENOID ASSY 1G 26 4908AR1016 SUPPORTER VALVE 1E 27 2A00393 VALVE SERVICE 3 8 3S 28 2H02479 VALVE SERVICE 1 4 3D 29 1A00207 GRILLE REAR 1B 30 1A00201 PANEL ASSY SIDE 1D 31 3A02284 PANEL A...

Страница 94: ...61 MOUNT MOTOR 1A 45 3H03266 COVER ASSY TOP 1L 46 4791A30004 BARRIER ASSY OUTDOOR 1A 47 3551A30028 COVER ASSY CONTROL 1B 48 4H01050 CLIP 2A 49 4H2958 CLAMP CORD 1A 50 6871A20031 PWB PCB ASSY MAIN 1L 51 6323A20002 THERMISTOR ASSY 1A 52 6171AQ3198 TRANSFORMER POWER 1A No PART No DESCRIPTION Q TY REMARK LM 2063H3L M ...

Страница 95: ... 95 11 Outdoor Unit LM 3063H3L M 45 46 1 2 29 29 30 47 26 17 21 22 23 20 18 10 9 12 16 8 14 11 15 13 40 39 54 42 41 43 6 19 4 5 7 24 25 27 49 48 35 31 32 36 52 51 50 3 38 37 44 34 33 53 ...

Страница 96: ...9 COIL ASSY REVERSING VALVE 1B 20 5220A90002 VALVE SOLENOID 3A 21 6421A20001 SOLENOID ASSY 1A 22 6421A20001 SOLENOID ASSY 1B 23 6421A20001 SOLENOID ASSY 1G 24 4908AR1016 SUPPORTER VALVE 1E 25 2H01890 VALVE SERVICE 1 2 1D 26 2A00393 VALVE SERVICE 3 8 2S 27 2H02479 VALVE SERVICE 1 4 3D 28 1A00208 GRILLE REAR 1D 29 1A00202 PANEL ASSY SIDE 1C 30 3A02284 PANEL ASSY SIDE 1R 31 6120AR2194 CAPACITOR 1F 32...

Страница 97: ...1H 46 4791A30004 BARRIER ASSY OUTDOOR 1B 47 3551A30028 COVER ASSY CONTROL 1B 48 4H01050 CLIP 2A 49 4H2958 CLAMP CORD 1A 50 6871A20031 PWB PCB ASSY MAIN 1L 51 6323A20002 THERMISTOR ASSY 1A 52 6171AQ3198 TRANSFORMER POWER 1A 53 3Q35027 THERMOSTAT ASSY 1H 54 3A01934 BRACKET MOTOR 1A No PART No DESCRIPTION Q TY REMARK LM 3063H3L M ...

Страница 98: ... 98 12 Outdoor Unit LM 3063C3L M 41 42 1 2 25 24 26 43 22 18 19 17 6 10 9 12 16 8 14 11 15 13 36 35 48 38 37 39 5 4 7 20 21 23 45 44 31 27 28 32 47 46 3 34 33 40 30 29 ...

Страница 99: ...01 SOLENOID ASSY 1B 20 4908AR1016 SUPPORTER VALVE 1E 21 2H01890 VALVE SERVICE 1 2 1F 22 2A00393 VALVE SERVICE 3 8 2S 23 2H02479 VALVE SERVICE 1 4 3D 24 1A00208 GRILLE REAR 1D 25 1A00202 PANEL ASSY SIDE 1C 26 3A02284 PANEL ASSY SIDE 1R 27 6120AR2194 CAPACITOR 1F 28 3A00988 CAPACITOR 1B 29 4H00442 CLAMP CAPACITOR 1F 30 4H00442 CLAMP CAPACITOR 1C 31 3A00093 TERMINAL BLOCK 1A 32 3H00390 TERMINAL BLOCK...

Страница 100: ...UTDOOR 1B 43 3551A30028 COVER ASSY CONTROL 1E 44 4H01050 CLIP 2A 45 4H2958 CLAMP CORD 1A 46 6871A20031 PWB PCB ASSY MAIN 1N 47 6171AQ3198 TRANSFORMER POWER 1A 48 3A01934 BRACKET MOTOR 1A No PART No DESCRIPTION Q TY REMARK LM 3063C3L M ...

Страница 101: ...P No 3828A30074C January 2000 Printed in Korea ...

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