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Free Joint Multi Type
Air Conditioner

SERVICE MANUAL

CAUTION

website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html

• BEFORE SERVICING THE UNIT, READ THE SAFETY

PRECAUTIONS IN THIS MANUAL.

• ONLY FOR AUTHORIZED SERVICE PERSONNEL.

MODEL

Cooling Model

Heating Model

• Outdoor Unit: A2UC146FA0

A2UH146FA0

A2UC186FA0

A2UH186FA0

A3UC216FA0

A3UH216FA0

A4UC306FA0

A4UH306FA0

• Indoor Unit:

AMNC076LQL0

AMNH076LQL0

AMNC096LQL0

AMNH096LQL0/LQA0

AMNC126LRL0

AMNH126LRL0

AMNC186LTL0

AMNH186LTL0

AMNC246LTL0

AMNH246LTL0/LTA0

AMNC096AP*1

AMNH096AP*1

AMNC126AP*1

AMNH126AP*1

Содержание A2UC146FA0

Страница 1: ...ECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL MODEL Cooling Model Heating Model Outdoor Unit A2UC146FA0 A2UH146FA0 A2UC186FA0 A2UH186FA0 A3UC216FA0 A3UH216FA0 A4UC306FA0 A4UH306FA0 Indoor Unit AMNC076LQL0 AMNH076LQL0 AMNC096LQL0 AMNH096LQL0 LQA0 AMNC126LRL0 AMNH126LRL0 AMNC186LTL0 AMNH186LTL0 AMNC246LTL0 AMNH246LTL0 LTA0 AMNC096AP 1 AMNH096AP 1 AMNC126AP 1 AMNH126AP 1 ...

Страница 2: ...fications 8 Combination Table 11 Dimensions 17 Refrigeration Cycle Diagram 22 Wiring Diagram 26 Electronic Control Device 29 Schematic Diagram 32 Functions 35 Operation Details 39 2 way 3 way Valve 46 Cycle Troubleshooting Guide 50 Electronic Parts Troubleshooting Guide 52 Disassembly of the parts Indoor unit 58 Exploded View Replacement Parts List 61 ...

Страница 3: ...on Be sure not to do Be sure to follow the instruction Do not use a defective or underrated circuit breaker Use this appliance on a dedi cated circuit There is risk of fire or electric shock Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open Moisture may condense and wet or damage furniture Always ground the product There is risk o...

Страница 4: ...uthorized Service Center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand It may cause injury accident or dam age to the product Be sure the installation area does not deteriorate with age If the base collapses the air condition er could fall with it causing property damage product failure and personal injury Do not touch operate...

Страница 5: ... shock or product fail ure Be cautious that water could not enter the product There is risk of fire electric shock or product damage Do not store or use flammable gas or com bustibles near the product There is risk of fire or failure of product If strange sounds or smell or smoke comes from product Turn the breaker off or discon nect the power supply cable There is risk of electric shock or fire G...

Страница 6: ...ot step on or put anyting on the product outdoor units There is risk of personal injury and failure of product Do not insert hands or other objects through the air inlet or outlet while the product is oper ated There are sharp and moving parts that could cause personal injury CAUTION Installation Wax Thinner check for gas refrigerant leakage after installation or repair of product Low refrigerant ...

Страница 7: ...10A Making place Refrigerant 6 220 240V 50Hz 1Ø Electric Standard Volts Freq Phase AMNH076LQL0 A Basic L Plasma 2way M Plasma 4way B Blue M metal D Wood Development Sequence Function Color A Changwon of korea R410A Making place Refrigerant Indoor Unit Q SQ chassis T ST chassis R SR chassis P SP1 chassis Chassis Type L SQ SR ST chassis L look A SP1 chassis general wide look Type 6 220 240V 50Hz 1Ø ...

Страница 8: ...000 14600 9000 19800 9000 21000 10000 33000 1300 1500 780 1900 880 2100 1100 3250 1300 1500 1200 1900 1350 2200 1310 3600 6 1 6 6 3 5 8 5 4 0 9 4 4 8 15 6 0 7 0 5 5 8 5 6 0 9 8 6 0 16 5 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 37 24 25 2 35 5 Rotary Rotary Rotary Rotary FVS68D PVE FV50S PVE FV50S PVE FV50S PVE Internal MRA98781 9090 MRA99150 9090 Internal 17 2 20 3 25 2 Rotary Rotary Ro...

Страница 9: ... 1100 3250 6 0 7 0 3 5 8 5 4 0 9 4 4 8 15 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 37 24 25 2 35 5 Rotary Rotary Rotary Rotary FVS68D PVE FV50S PVE FV50S PVE FV50S PVE Internal MRA98781 9090 MRA99150 9090 Internal 17 2 20 3 25 2 Rotary Rotary Rotary FV50S PVE FV50S PVE FV50S PVE MRA99901 9090 MRA99282 9090 MRA99150 9090 1050 at 7 5m 1350 at 7 5m 1500 at 7 5m 2500 at 7 5m R410A R410A R41...

Страница 10: ...3 8 9 52 1 2 12 7 1 2 12 7 3 8 9 52 3 8 9 52 20 20 20 20 20 20 20 M Metal B Blue D Wood AMNH076LQL0 AMNH096LQL0 AMNH096LQA0 AMNH126LRL0 AMNH186LTL0 AMNH246LTL0 AMNH246LTA0 AMNH096AP 1 AMNH126AP 1 See Page Combination Table Wall Mounted Art Cool Indoor Unit Type Model kcal hr Nominal Cooling Capacity W Btu hr Air Circulation m3 min Setting temperature range cool C Fan Motor Output W Capacitor µF Va...

Страница 11: ... 5 9 1 UNIT 9 9 9500 9500 1100 5 8 6 12 12 11000 11000 1100 5 10 7 7 14 7000 7000 14000 1900 8 5 7 4 2 UNIT 7 9 16 7000 9000 16000 1900 8 5 8 4 9 9 18 9000 9000 18000 1900 8 5 9 5 7 12 19 7000 11000 18000 1900 8 5 9 5 Indoor Unit Combination Index k Btu h Capacity Input W Current A EER Btu h w Unit A Btu hr Unit B Btu hr Unit C Btu hr Unit D Btu hr Total Btu hr A B C D Total Operation 7 7 9000 900...

Страница 12: ...hr Unit B Btu hr Unit C Btu hr Unit D Btu hr Total Btu hr A B C D Total Operation 7 7 9000 9000 1350 6 6 7 2 1 UNIT 9 9 10450 10450 1350 6 2 7 7 2 3 12 Art 12 12100 12100 1400 6 2 8 6 2 5 12 12 13200 13200 1400 6 2 9 4 2 8 7 7 14 9200 9200 18400 2200 9 8 8 4 2 5 7 9 16 8800 11000 19800 2200 9 8 9 2 6 2 UNIT 9 9 18 10000 10000 20000 2200 9 8 9 1 2 7 7 12 Art 19 8800 12100 20900 2200 9 8 9 5 2 8 7 1...

Страница 13: ...0000 3250 15 7 7 7 21 9000 9000 9000 27000 3150 14 5 7 7 9 23 9000 9000 11000 29000 3150 14 5 7 7 12 26 8000 8000 12000 28000 3250 15 7 7 18 32 6500 6500 17000 30000 3250 15 3 Unit 7 9 9 25 9000 10000 10000 29000 3250 14 5 7 9 12 28 7500 9500 12000 29000 3150 15 7 12 12 31 7000 11500 11500 30000 3250 15 9 9 9 27 10000 10000 10000 30000 3250 15 9 9 12 30 9000 9000 12000 30000 3250 15 9 12 12 33 800...

Страница 14: ...3000 3360 15 5 7 7 7 21 9900 9900 9900 29700 3360 15 5 7 7 9 23 9900 9900 11000 30800 3400 15 5 7 7 12 26 8800 8800 13200 30800 3360 15 5 7 7 18 32 7100 7100 18700 32900 3360 15 5 3 Unit 7 9 9 25 9900 11000 11000 31900 3360 15 5 7 9 12 28 8200 10400 13200 31800 3360 15 5 7 12 12 31 7700 12600 12600 32900 3360 15 5 9 9 9 27 11000 11000 11000 33000 3360 15 5 9 9 12 30 9900 9900 13200 33000 3360 15 5...

Страница 15: ... Index k Btu h Capacity Input W Current A COP Btu h w Unit A Btu hr Unit B Btu hr Unit C Btu hr Unit D Btu hr Total Btu hr A B C D Total Operation Cooling Cooling Cooling 7 7 8000 8000 880 4 9 1 1 UNIT 9 9 9500 9500 900 4 1 10 6 12 Art 12 11000 11000 1150 5 1 9 6 12 12 12000 12000 1150 5 1 10 4 7 7 14 8400 8400 16800 2100 9 4 8 7 9 16 8000 10000 18000 2100 9 4 8 6 2 UNIT 9 9 18 9500 9500 19000 210...

Страница 16: ... 7 7 7 21 9000 9000 9000 27000 3150 14 5 8 6 7 7 9 23 9000 9000 11000 29000 3150 14 5 9 2 7 7 12 26 8000 8000 12000 28000 3250 15 8 6 7 7 18 32 6500 6500 17000 30000 3250 15 9 2 3 UNIT 7 9 9 25 9000 10000 10000 29000 3250 14 5 8 9 7 9 12 28 7500 9500 12000 29000 3150 15 9 2 7 12 12 31 7000 11500 11500 30000 3250 15 9 2 9 9 9 27 10000 10000 10000 30000 3250 15 9 2 9 9 12 30 9000 9000 12000 30000 32...

Страница 17: ...Indoor Unit Model SQ SR ST chassis Installation plate D H W Pipe Hole Fix Hole Hanger Hole H W D Model SP 1 chassis Capacity W H D SQ Ch 7K 9K 824 260 156 SR Ch 12K 900 285 156 ST Ch 18K 24K 1080 314 182 Capacity W H D SP1 Ch 9K 12K 570 568 137 ...

Страница 18: ...4 H D L1 L2 L3 L5 L10 Gas side 3 way valve Liquid side 2 way valve L11 L11 L11 2 1 A2UC146FA0 A2UH146FA0 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 A2UC146FA0 A2UH146FA0 MODEL DIM ...

Страница 19: ... L11L11 L9 Gas side 3 Way valve Liquid side 2 Way valve L8 L6 L7 2 2 A2UC186FA0 A2UH186FA0 W mm 870 H mm 655 D mm 320 L1 mm 360 L2 mm 340 L3 mm 25 L4 mm 630 L5 mm 25 L6 mm 546 L7 mm 160 L8 mm 160 L9 mm 44 L10 mm 64 5 L11 mm 50 A2UC186FA0 A2UH186FA0 MODEL DIM ...

Страница 20: ... L2 L3 L5 L10 Gas side 3 way valve Liquid side 2 way valve L11 L11 L11 L11 L11 2 3 A3UC216FA0 A3UH216FA0 W mm 870 H mm 655 D mm 320 L1 mm 360 L2 mm 340 L3 mm 25 L4 mm 630 L5 mm 25 L6 mm 546 L7 mm 160 L8 mm 160 L9 mm 44 L10 mm 64 5 L11 mm 50 A3UC216FA0 A3UH216FA0 MODEL DIM ...

Страница 21: ...L11 L11 L11 L11 L11 L11 L11 Gas side 3 way valve Liquid side 2 way valve 2 4 A4UC306FA0 A4UH306FA0 W mm 870 H mm 1038 D mm 320 L1 mm 360 L2 mm 340 L3 mm 25 L4 mm 1035 L5 mm 25 L6 mm 546 L7 mm 160 L8 mm 160 L9 mm 44 L10 mm 64 5 L11 mm 50 A4UC306FA0 A4UH306FA0 MODEL DIM ...

Страница 22: ...ditioner Refrigeration Cycle Diagram Indoor Side Outdoor Side A B 4 WAY Valve COMP Indoor Side Outdoor Side A B COMP ex Solenoid Valve L E V 3 Way Valve 2 Way Valve Capillary Refrigeration Cycle Diagram 1 A2UH146FA0 2 A2UC146FA0 ...

Страница 23: ...Refrigeration Cycle Diagram 3 A2UH186FA0 4 A2UC186FA0 Indoor Side Outdoor Side A B 4 WAYValve COMP B COMP A Indoor Side Outdoor Side A B COMP B COMP A ex Solenoid Valve L E V 3 Way Valve 2 Way Valve Capillary Accum Accum ...

Страница 24: ...ioner Refrigeration Cycle Diagram 5 A3UH216FA0 6 A3UC216FA0 Indoor Side Outdoor Side B A 4 WAY Valve COMP B COMP A Accum C Indoor Side Outdoor Side B A COMP B COMP A Accum C ex Solenoid Valve L E V 3 Way Valve 2 Way Valve Capillary ...

Страница 25: ...geration Cycle Diagram 7 A4UH306FA0 8 A4UC306FA0 Indoor Side Outdoor Side B A 4 WAY Valve COMP B COMP A Accum C D Indoor Side Outdoor Side B A COMP B COMP A Accum C D ex Solenoid Valve L E V 3 Way Valve 2 Way Valve Capillary ...

Страница 26: ...54A20135W CN TH1 THERMISTOR OUT PIPE THERMISTOR IN PIPE THERMISTOR ROOM CN TH2 CN U D CN MOTOR CN POWER AC PCB ASM DC PCB ASM FUSE 250V 2A ZNR CONNECT PCB ASM DISPLAY PCB ASM AC PWB ASM DC PWB ASM CN UD BL CN LR1 WH CN LR2 WH PLASMA AIR CLEAN CN D1 WH CN D2 WH BK RD STEP MOTOR STEP MOTOR STEP MOTOR STEP MOTOR FORCE S W SAFETY S W SAFETY S W 3854A20135Y CN GND1 CN ACDC1 CN ACDC2 CN HVB BL H V ASM C...

Страница 27: ...0V T3 15A BL BR WH TO INDOOR UNIT CN COM WH CN COM CN COMP WH CN H L S 4 WH CN POWER WH A UNIT B UNIT RD OUTDOOR WIRING DIAGRAM MAIN POWER A S V CM FMo P NO 3854A20375A B S V B P S V 4WV MAIN PCB ASSY BK BK BK BR BK BK T B1 RD Co BL BL YL RD C S H C F R BK BK BK BK BK BK WH WH BL RD RD T B2 RD BL BK WH BL BK WH FUSE 250V T3 15A BL BR WH TO INDOOR UNIT CN COM WH CN COM CN COMP WH CN H L S 4 WH CN P...

Страница 28: ...28 Free Joint Multi Air Conditioner Wiring Diagram 5 A3UC216FA0 6 A3UH216FA0 7 A4UC306FA0 8 A4UH306FA0 ...

Страница 29: ...ontrol Device Electronic Control Device Indoor Unit AMNC076LQL0 AMNC096LQL0 AMNC126LRL0 AMNC186LTL0 AMNC246LTL0 AMNH076LQL0 AMNH096LQL0 AMNH126LRL0 AMNH186LTL0 AMNH246LTL0 AMNH096LQA0 AMNH246LQA0 MAIN P C B DC ASM MAIN P C B AC ASM ...

Страница 30: ... C02A IC01A IC1 OSC01B C04Y VR01Y C03Y TRANS01Y C01E BZ01E U02Y CN_COMM U03Y LED U04Y CN_LEV CN_TH1 SW_GROUP CN_ACDC2 C03L Q01D CN_HVB CN_LR2 CN_UD CN_LR1 CN_D1 CN_CC CN_D2 SW_ROOM CN_TH2 C08V C N _ M O T O R 2 C N G N D N F 0 1 N 2 5 0 V T 3 1 5 A C N _ O U T R 0 8 D Z N R 0 1 N C 0 1 N C 0 4 J F U S E C Y 2 C Y 1 R 0 5 K D 0 2 K C N G N D C O N 2 N F 0 2 N I C 0 2 K Q 0 1 K R 0 4 K R 0 3 K D 0 1...

Страница 31: ...5 D Z D 0 6 D Z D 0 7 D Z D 0 8 D J 0 1 J 0 2 J 0 3 J 0 4 J 0 5 J 0 6 R 0 1 T R 0 2 A C N _ L E V 3 R 0 7 B R 0 6 B R 0 5 B R 0 4 B R 0 3 B C 0 1 H C 0 1 K C 0 1 X C 0 2 H C 0 3 K C 0 3 D C 0 3 H C 0 5 K C 0 4 H C 0 7 K C 0 4 M C 0 5 D C 0 9 K C 1 1 K C 0 6 M C 0 8 D C 1 0 D I C 0 1 M I C 0 2 M M I C O M O R 1 H R 0 1 A R 0 1 B R 0 1 H R 0 1 K R 0 2 B R 0 2 H R 0 2 J R 0 2 K R 0 2 T R 0 3 A R 0 3 ...

Страница 32: ...32 Free Joint Multi Air Conditioner Schematic Diagram Schematic Diagram Indoor Unit 1 1 SQ SR ST Chassis ...

Страница 33: ...Service Manual 33 Schematic Diagram 1 2 SP 1 Chassis ...

Страница 34: ... 1 EN D02D IC01D UF4005 C01D 33uF 450V 100D 9 NTC01D 102 100V 1N4007 D14K 1N4007 D01D 100nF 275V AC_L AC_N 1 R01J 1M 1 2W 22mH 3A 4 2 275V 3 1 NF NF01J 100nF C02J 250V T3 15A INR14D471K INR14D561K FUSE ZNR01J C01J 3 2 1 RY COMP2 RY COMP1 2 3 1 COMP 1 COMP 2 NEUTRAL LIVE CN COMP 11K 3W ZD01K C02A R08J D13K 1N4007 R04J R06J RY FAN_2L RY FAN_2H RY FAN_1L RY LIQ RY HOT RY SV RY 4WAY 11K 3W R05J R07J 4...

Страница 35: ...e 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 Lamps LED Soft Dry Operation Mode The function will be operated while in any operation mode with selecting the function ...

Страница 36: ...Fan Operation Mode Room 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 Operate...

Страница 37: ...tion of cooling and heating 44 Outdoor air TH ass y check Replace main PCB DC ASM Outdoor air temperature thermistor open short 45 Outdoor pipe TH ass y check Outdoor pipe themperature thermistor open short 51 Indoor unit combination check Refer to Max capacity Overload combination 7times 3sec 3sec 3sec 3sec 3sec 3sec ten digits one digits Self diagnosis Function Signal Receptor Signal receptor Op...

Страница 38: ...eed cooling heating operates super high fan speed CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up down airflow direction ON OFF TIMER BUTTONS Used to set the time of starting and stopping opera tion TIME SETTING BUTTONS Used to adjust the time TIMER SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation SLEEP MODE...

Страница 39: ...Timer Indicator 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 Co...

Страница 40: ...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 it operates with the low airflow speed If overloaded while in heating mode operation in order to prevent the compressor from OLP operation the outdoor fan is turned on off according to the indoor pipe temp While in defrost control both of the indoor and ...

Страница 41: ...and only the indoor 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 car...

Страница 42: ...tting 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 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 ...

Страница 43: ...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 ...

Страница 44: ...ted if the power button is pressed If you want to stop operation re press the button 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 Test operation During the TEST OPERATION the unit operates in cooling mode at high speed fan regardless of room tem perature and resets in 18 1 minutes During test operation i...

Страница 45: ...door evaporator 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 b...

Страница 46: ...ay Valve Liquid Side 3 way Valve Gas Side Works Shipping Pumping down Transfering Closed clockwise Open counter clockwise Open connected manifold gauge Evacuation Servicing Open Open Open with charging cylinder Gas charging Servicing Open Open Open with charging cylinder Pressure check Servicing Open Open Open with charging cylinder Gas releasing Servicing Open Open Open with charging cylinder Clo...

Страница 47: ...lve on the 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 g 8 Disconnect the charge set and mount the liquid side and gas side valve caps ...

Страница 48: ...rm that the gauge needle has moved toward 76 cmHg vacuum of 4 mmHg or less 6 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 7 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or deplet ed replenish as needed 8 Mount the valve cap...

Страница 49: ...ioner in the cooling cycle 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 d...

Страница 50: ...igeration cycle Notice 1 The suction pressure is usually 8 12 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 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 near the rated current Temp ...

Страница 51: ...ity Step Step 1 Step 2 Step 3 Outdoor Operation Mode COMP 40 B only COMP 60 A only COMP 100 A B together 18k Max 19k Cooling Qs 7k Qs 12k 12k Qs Heating Qs 9k 12k Qs 21k Max 23k Cooling Qs 9k Qs 12k 12k Qs Heating Qs 9k 12k Qs 30k Max 33k Cooling Qs 12k Qs 19k 19k Qs Heating Qs 12k Qs 19k 19k Qs Outdoor Max capacity 14k 14k combination 18k 19kcombination 21k 23k combination 30k 33k combination ...

Страница 52: ... Power of indoor unit and terminal block Check the connecting state of connector NO YES Is the voltage of CN POWER in outdoor PCB Ass y about AC220V 240V Check the main power NO YES Check the Fuse of outdoor PCB Ass y Chek the connecting state of wires Replace the PCB Ass y NO Is the connection of cable between indoor and outdoor unit ringht Indoor Outdoor 1 L Brown 1 L Brown 2 N Blue 2 N Blue Gre...

Страница 53: ...tery Check the contact of CN DISP1 connector When the compressor stopped Indoor Fan is driven by a low speed At this point 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 i...

Страница 54: ...se as to be effected by the temperature of Heat Exchanger EVA When the sensor circuit for indoor temperature and connector are in bad connection or are not engaged Compressor Outdoor Fan is stopped Check the indoor temperature sensor is disconnected or not About 10kΩ at 25 C Check Relay RY COMP for driving compressor When the power About AC220V 240V is applied to the connecting wire terminal suppo...

Страница 55: ...Unit Check the connector of intake and pipe sensor thermistors 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 OFF Abou...

Страница 56: ... CN FAN or 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 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 The voltage of PIN NO 1 blue and 3 yellow of CN FAN or CN MOTOR About AC 160V over Abou...

Страница 57: ...ting the Vertical Louver with hands Normal Check the connecting condition 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 Check the operating circuit of the Vertical Louver Confirm that there is DC 12V between...

Страница 58: ...ight side of the grille toward you slightly tilted and lift it straight upward 1 Before removing the control box be sure to take out the wire screwed at the other end 2 To remove the Control Box Remove securing screws Pull the control box out from the chassis carefully 3 To remove the Discharge Grille Unhook the discharge grille and pull the discharge grille out from the chassis carefully 4 To rem...

Страница 59: ...self aligning bearing 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 Pull the grille bottom the remove 2 securing screws Lift the both lower parts of panel front After pull down this panel a bit separate connecting wire with product 2 To remove the Control Box Before removing the control box be s...

Страница 60: ...4 Before removing the Turbo Fan Remove the securing screws from the chassis Pull the pipe cover top cover and the air guide 5 To remove the Motor Remove the securing bolt from the motor shaft Pull the fan out from the motor shaft Remove 4 screws securing motor mount from the chassis and lift up the motor mount and the bracket Turbo Fan Bracket Bolt Motor Mount Top Cover Pipe Cover Air Guide ...

Страница 61: ...d View Replacement Parts List 1 Indoor Unit SQ SR Chassis 346810 146811 263230 1 268716 131410 359011 342800 159901 135316 268712 159830 354210 135311 135316 267110 249951 733010 152313 135314 152302 35211B 135516 W0CZZ 352150 266090 268715 352116 352115 263230 2 ...

Страница 62: ...4A 6323A20004A 6323A20004A 6323A20004A 6323A20004A 6323A20004A R 266090 H V ASSEMBLY 6609A10003J 6609A10003J 6609A10003J 6609A10003J 6609A10003H 6609A10003H R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20067J 6711A20067H 6711A20067J 6711A20083F 6711A20067H 6711A20067J 6711A20067H R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20194A 6871A20194A 6871A20194A 6871A20194A 6871A20194A 6871A20390A 6871A20390A R 268...

Страница 63: ...ent Parts List 346810 35211B 135516 W0CZZ 352150 267110 146811 266090 263230 1 268715 268716 131410 359011 342800 159901 1 159901 2 268712 135316 159830 135311 352111 135316 249951 733010 152313 135314 152302 352115 352116 263230 2 ST Chassis ...

Страница 64: ...EMBLY 6323A20004A 6323A20004A 6323A20004A 6323A20004A 6323A20004A R 266090 H V ASSEMBLY 6609A10003L 6609A10003L 6609A10003L 6609A10003L R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20067J 6711A20067H 6711A20067J 6711A20083F 6711A20067H R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20194B 6871A20194B 6871A20194B 6871A20194B 6871A20194B R 268715 PWB PCB ASSEMBLY MAIN AC 6871A20267B 6871A20267B 6871A20267B 6871...

Страница 65: ...00 135500 2 135311 1 146811 147581 330870 135311 3 146811 346810 135500 1 146811 135311 2 131410 352380 352150 35211B 263230 2 263230 1 147581 152302 135314 268712 268717 135316 354210 144710 2 146811 146811 144710 1 147581 352116 352115 249951 249941 266090 268715 159830 268716 SP1 Chassis ...

Страница 66: ...INDOOR 4995A20372H 4995A20372N 4995A20372J 4995A20372P R 249941 CONTROL BOX INDOOR 4994A10046A 4994A10046A 4994A10046A 4994A10046A R 268715 PWB PCB ASSEMBLY MAIN AC 6871A20380D 6871A20380D 6871A20380D 6871A20380D R 268716 PWB PCB ASSEMBLY MAIN DC 6871A20381D 6871A20381G 6871A20381F 6871A20381H R 266090 H V ASSEMBLY 6609A10003S 6609A10003S 6609A10003S 6609A10003S R 263230 1 THERMISTOR ASSEMBLY 6323...

Страница 67: ...ts List 649950 552203 1 552203 2 554160 550140 435512 554031 W0CZZ 546810 437211 430410 447910 437212 268711 263230 435301 559010 552116 552111 1 552117 552111 2 561410 4 561410 1 552114 552115 561410 3 561410 2 2 Outdoor Unit A2UH146FA0 A2UC146FA0 ...

Страница 68: ...UTDOOR 5211A20952C R 552116 TUBE ASSEMBLY REVERSING 5211A10053C R 552117 TUBE ASSEMBLY SUCTION OUTDOOR 5211A20935A R 552203 1 VALVE SERVICE 2H02479H 2H02479H R 552203 2 VALVE SERVICE 5220A20001J 5220A20001J R 559010 FAN ASSEMBLY PROPELLER 5900AR1119B 5900AR1119B R 554031 CONDENSER ASSEMBLY BENT 5403A20134C 5403A20134D R 554160 COMPRESSOR SET 2520UTGP2AA 2520UTGP2AA R 561410 1 COIL ASSEMBLY SOLENOI...

Страница 69: ...90 552113 552116 552112 649950 435511 552203 1 552203 2 552203 1 552203 2 554160 2 554160 1 550140 550140 561410 561411 1 561411 2 561411 3 W0CCZ 1 W0CCZ 2 554031 435512 559010 546810 447910 437211 430410 263230 268711 137213 2 137213 1 435300 435301 A2UH186FA0 ...

Страница 70: ...placement Parts List 548490 552113 552114 552112 552203 1 552203 2 552203 1 552203 2 554160 2 554160 1 550140 550140 W0CCZ 1 W0CCZ 2 437212 554031 435512 559010 546810 447910 437211 430410 263230 268711 561411 1 561411 2 561411 3 435511 649950 A2UC186FA0 ...

Страница 71: ... COMP 4H00982E 4H00982E R 552203 1 VALVE SERVICE 5220A20001K 5220A20001K R 552203 2 VALVE SERVICE 2H02479R 2H02479R R 554160 1 COMPRESSOR 5416A90022C 5416A90022C R 554160 2 COMPRESSOR 5416A90022A 5416A90022A R 561411 1 COIL ASSEMBLY EXPANSION 6141A20018A 6141A20018A R 561411 2 COIL ASSEMBLY EXPANSION 6141A20018B 6141A20018B R 552112 TUBE ASSEMBLY CONDENSER IN 5211A01001B 5211A10458A R 552113 TUBE ...

Страница 72: ...d View Replacement Parts List 552203 1 552203 2 554160 2 554160 1 550140 550140 437212 554031 435511 649950 546810 W0CZZ 2 W0CZZ 1 559010 435512 447910 437211 430410 263230 668711 548490 552113 552114 552112 561411 1 561411 2 561411 3 A3UC216FA0 ...

Страница 73: ...List 649950 435511 552203 1 552203 2 554160 2 550140 554160 1 550140 554031 546810 263230 668711 W0CZZ 1 W0CZZ 2 559010 435512 447910 437214 435301 430410 137213 2 137213 1 137314 548490 552113 552116 552112 561410 561411 1 561411 2 561411 3 A3UH216FA0 ...

Страница 74: ...Y CONDENSER OUT 5211A00001A 5211A00001B R 552114 TUBE ASSEMBLY DISCHARGE OUTDOOR 5211A10456B R 552116 TUBE ASSEMBLY REVERSING 5211A10445B R 552203 1 VALVE SERVICE 5220A20001K 5220A20001K R 552203 2 VALVE SERVICE 2H02479R 2H02479R R 554160 1 COMPRESSOR 5416A90022D 5416A90022D R 554160 2 COMPRESSOR 5416A90022B 5416A90022B R 561411 1 COIL ASSEMBLY EXPANSION 6141A20018A 6141A20018A R 561411 2 COIL ASS...

Страница 75: ...546810 559010 552203 1 552203 2 554160 2 550140 554160 1 550140 554031 447910 430410 435512 435301 437211 137213 2 137213 1 135314 649950 263230 668711 W0CZZ 1 W0CZZ 2 548490 552112 552113 552116 435511 561410 561411 1 561411 2 561411 3 561411 4 A4UH306FA0 ...

Страница 76: ...rts List 546810 559010 552203 1 552203 2 554160 2 550140 554160 1 550140 554031 447910 430410 435512 435301 437211 137213 2 137213 1 135314 649950 263230 268711 W0CZZ 1 W0CZZ 2 548490 552112 552113 552114 552117 435511 561411 1 561411 2 561411 3 561411 4 A4UC306FA0 ...

Страница 77: ...2116 TUBE ASSEMBLY REVERSING 5211A10453A R 552117 TUBE ASSEMBLY SUCTION OUTDOOR 5211A11012A 5211A11012A R 554031 CONDENSER ASSEMBLY BENT 5403A20168B 5403A20168B R 559010 FAN ASSEMBLY PROPELLER 5901A10033A 5901A10033A R 561410 COIL ASSEMBLY REVERSING VALVE 6141A20010K R 649950 CONTROL BOX ASSEMBLY OUTDOOR 4995A10117A 4995A10117B R 668711 PWB PCB ASSEMBLY MAIN OUTDOOR 6871A20414F 6871A20414G R 13721...

Страница 78: ...P No 3828A20097X January 2005 Printed in Korea ...

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