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LG AS-C0764DB0, Service Manual

Introducing the LG AS-C0764DB0, a cutting-edge product designed to provide exceptional performance and comfort. Unlock its full potential by accessing the comprehensive Service Manual, available for free download at manualshive.com. Ensure a smooth user experience and optimize functionality with this indispensable manual.

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Room Air Conditioner

Air Conditioner Service Manual

TABLE OF CONTENTS

LG Model Name

...............................................................................................................................................

3

Safety Precautions

..........................................................................................................................................

5

Dimensions

....................................................................................................................................................

10

Symbols Used in this Manual ...................................................................................................................10
Indoor Unit................................................................................................................................................10
Outdoor Unit .............................................................................................................................................1

3

Product Specifications 

.................................................................................................................................

1

4

Installation 

.....................................................................................................................................................

18

Selection of the Best Location..................................................................................................................

18

Piping Length and Elevation.....................................................................................................................

18

How to Fix Installation Plate .....................................................................................................................

19

Drill a Hole in the Wall ..............................................................................................................................

19

Drain hose junction...................................................................................................................................

19

Flaring work and connection of piping

.......................................................................................................

2

0

Flaring work..............................................................................................................................................2

0

Connection of Piping Indoor .....................................................................................................................2

0

Connection of the Pipes-Outdoor .............................................................................................................2

4

Connecting the cable between indoor unit and outdoor unit

...................................................................

2

5

Connect the Cable to the Indoor Unit. ......................................................................................................2

5

Connect the Cable to the Outdoor Unit ....................................................................................................2

6

Checking the drainage and forming the pipings

........................................................................................

2

7

Checking the Drainage.............................................................................................................................2

7

Form the Piping ........................................................................................................................................2

7

AIR PURGING 

................................................................................................................................................

28

Air purging ................................................................................................................................................

28

Air purging with vacuum pump .................................................................................................................

28

Test Running 

.................................................................................................................................................

3

0

Operation 

.......................................................................................................................................................

3

1

Function of Controls .................................................................................................................................3

1

Display Function ......................................................................................................................................3

5

Self-diagnosis Function ............................................................................................................................3

5

Remote Control Operations......................................................................................................................3

6

Disassembly 

..................................................................................................................................................

3

7

Indoor Unit................................................................................................................................................3

7

Schematic Diagram

.......................................................................................................................................

4

0

Electric Control Device .............................................................................................................................4

0

Wiring Diagram.........................................................................................................................................4

1

Components Location ..............................................................................................................................4

4

Troubleshooting Guide

.................................................................................................................................

4

6

Refrigeration Cycle Diagram ....................................................................................................................4

6

2-way,  3-way Valve .................................................................................................................................4

7

Cycle Parts ...............................................................................................................................................5

3

Electronic Parts ........................................................................................................................................5

4

Exploded View

...............................................................................................................................................

6

1

Replacement Parts List 

................................................................................................................................

6

3

Summary of Contents for AS-C0764DB0

Page 1: ...DELS TS C096EMA0 TS H096EMA0 TS C126EMA0 TS H126EMA0 TS C096YDA0 TS H096YDA0 TS C126TDA0 TS H126TDA0 CAUTION website http www lgservice com BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL ...

Page 2: ... Connecting the cable between indoor unit and outdoor unit 25 Connect the Cable to the Indoor Unit 25 Connect the Cable to the Outdoor Unit 26 Checking the drainage and forming the pipings 27 Checking the Drainage 27 Form the Piping 27 AIR PURGING 28 Air purging 28 Air purging with vacuum pump 28 Test Running 30 Operation 31 Function of Controls 31 Display Function 35 Self diagnosis Function 35 Re...

Page 3: ...240V 50Hz E 265V 60Hz 7 110V 50 60Hz F 200V 50 60Hz 8 380 415V 50Hz 9 380 415V 60Hz 7 Chassis A Z Name of Chassis of Unit Ex LSP SP Chassis 8 Look A Z Look Color Artcool Model 9 Function A Z 10 Serial No 1 9 LG Model De ARTCOOL COLOR velopment Serial No Basic A Basic 4Way B Plasma Filter C Plasma Filter 4 Way D Tele LCD E Tele LCD Nano plasma 4Way F Nano Plasma F A changeove A clean Low A G Nano P...

Page 4: ... Deluxe Fighting Look LG1 LG2 SEMI PANEL OEM1 OEM2 Panel Type Deluxe LG3 50 60Hz 8 380 415V 50Hz 9 380 415V 60Hz 7 Chassis A Z Name of Chassis of Unit Ex LSP SP Chassis 8 Look A Z Look Color Artcool Model 9 Function A Z 10 Serial No 1 9 LG Model De ARTCOOL COLOR velopment Serial No R Mirror W White B Blue D Wood M Metal C Cherry S4 S5 S6 SQ SR ST Basic A Basic 4Way B Plasma Filter C Plasma Filter ...

Page 5: ...symbol indicates the possibility of death or serious injury This symbol indicates the possibility of injury or damage to properties only Be sure not to do Be sure to follow the instruction Do not use damaged power cords plugs or a loose socket Always use the power plug and socket with the ground terminal There is risk of fire of electric shock There is risk of electric shock Install the panel and ...

Page 6: ... cause injury Be especially care ful of the case edges and the fins on the condenser and evaporator There is risk of fire electric shock explosion or injury Be cautious when unpacking and installing the product For installation always contact the dealer or an Authorized service center For re installation of the installed product always contact a dealer or an authorized ser vice center Do not insta...

Page 7: ...the plug to remove the cord from the outlet Do not touch it with wet hands Do not place a heater or other appliances near the power cable There is risk of fire or electrical shock There is risk of fire and electric shock Do not allow water to run into electrical parts Do not store or use flammable gas or com bustibles near the air conditioner There is risk of fire failure of the product or electri...

Page 8: ...ion may cause water leakage Keep level even when installing the product Use two or more people to lift and transport the air conditioner To avoid vibration or water leakage Avoid personal injury Installation 90 Unplug the unit if strange sounds odors or smoke comes from it Be cautious that water could not enter the product There is risk of electric shock or fire There is risk of fire electric shoc...

Page 9: ... shock or damage to the plastic parts of the product There is risk of personal injury Do not step on or put anyting on the product outdoor units Do not insert hands or other objects through the air inlet or outlet while the air conditioner is plugged in There is risk of personal injury and failure of product There are sharp and moving parts that could cause personal injury Operation Wax Safety Pre...

Page 10: ... to the risk of electric shock This symbol alerts you to hazards that could cause harm to the air conditioner This symbol indicates special notes NOTICE Symbols Used in this Manual Indoor Unit This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that could cause harm to the air conditioner This symbol indicates special notes ...

Page 11: ...Service Manual 11 Dimensions Installation plate D H W W mm 840 H mm 270 D mm 161 Model Dimension SY Chassis ...

Page 12: ...Service Manual 12 Dimensions Installation plate D H W W mm 895 H mm 282 D mm 166 Model Dimension ST Chassis Dimensions ...

Page 13: ...valve Liquid side 2 way valve MODEL DIM unit W mm H mm D mm TS C096EMA0 TS C096YDA0 0 TS H096EMA0 TS H096YDA0 TS C126EMA0 TS C126TDA0 TS H126EMA0 TS H126TDA0 575 520 260 770 540 245 Dimensions Service Manual 13 Outdoor Unit ...

Page 14: ...Remocon Type Wireless Simple Wireless Simple Setting Temperature Range Cool 18 30 18 30 Heat 16 30 Temperature Increment 1 1 Self Diagnosis Yes Yes Timer 24h Off 24h Off Sleep Operation Yes Yes Soft Dry Operation Yes Yes Restart Delay minute 3 3 Refrigerant R22 Charge 490g 780g Blower Motor Input 29 29 Output 11 11 Motor Input 52 66 6 Motor Output 36 27 Power Cord 3 0 75 3 0 75 Connecting Cable 3 ...

Page 15: ...Manual Remocon Type Wireless Simple Wireless Simple Setting Temperature Range Cool 18 30 18 30 Heat 16 30 Temperature Increment 1 1 Self Diagnosis Yes Yes Timer 24h Off 24h Off Sleep Operation Yes Yes Soft Dry Operation Yes Yes Restart Delay minute 3 3 Refrigerant R22 Charge 680g 930g Blower Motor Input 29 29 Output 11 11 Motor Input 66 6 109 Motor Output 27 42 Power Cord 3 1 0 3 1 0 Connecting Ca...

Page 16: ...n Type Wireless Simple Wireless Simple Setting Temperature RCool 18 30 18 30 Heat 16 30 Temperature Increment 1 1 Self Diagnosis Yes Yes Timer 7h Off 7h Off Sleep Operation Yes Yes Soft Dry Operation Yes Yes Restart Delay minute 3 3 Refrigerant R22 Charge 430g 630g Blower Motor Input 29 29 Output 11 11 Motor Input 52 66 6 Motor Outpu 36 27 Power Cord 3 0 75 3 0 75 Connecting Cable 3 0 75 3 0 75 Co...

Page 17: ...l Remocon Type Wireless Simple Wireless Simple Setting Temperature RCool 18 30 18 30 Heat 16 30 Temperature Increment 1 1 Self Diagnosis Yes Yes Timer 7h Off 7h Off Sleep Operation Yes Yes Soft Dry Operation Yes Yes Restart Delay minute 3 3 Refrigerant R22 Charge 770g 860g Blower Motor Input 42 42 Output 11 11 Motor Input 109 109 Motor Outpu 42 42 Power Cord 3 1 0 3 1 0 Connecting Cable 3 1 0 3 1 ...

Page 18: ...not disturb neighbors Rooftop Installations If the outdoor unit is installed on a roof structure be sure to level the unit Ensure the roof structure and anchoring method are adequate for the unit location Consult local codes regarding rooftop mounting More than 10cm More than 5cm More than 2 3m More than 5cm Capacity is based on standard length and maxi mum allowance length is on the basis of reli...

Page 19: ...e left with the hole slightly slanted to the outdoor side Open the Front Grille Pass Telephone Control Cord Wire through the hole which the power cord goes through Connect Telephone Control Cord Wire to the phone jack of telephone PCB of Control Box Fix Telephone Control Cord Wire inside Control box so as not to disconnect Close the Front Grille How to Fix Installation Plate Drill a Hole in the Wa...

Page 20: ...ng work using flaring tool as shown below Burr removal Completely remove all burrs from the cut cross section of pipe tube Put the end of the copper tube pipe in a downward direc tion as you remove burrs in order to avoid dropping burrs into the tubing Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put t...

Page 21: ... dripping from sweating condensation will not damage furniture or floors Foamed polyethylene or equivalent is recommended Indoor unit installation Hook the indoor unit onto the upper portion of the installa tion plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure that the hooks are properly seated on the installa tion plate by moving i...

Page 22: ...t the piping drain hose and the connect ing cable into the piping hole Insert the connecting cable into the indoor unit Don t connect the cable to the indoor unit Make a small loop with the cable for easy connection later Indoor unit installation Hang the indoor unit from the hooks at the top of the instal lation plate Insert the spacer etc between the indoor unit and the installation plate and se...

Page 23: ...e piping and drain hose together by wrapping them with cloth tape over the range within which they fit into the rear piping housing section Reroute the pipings and the drain hose across the back of the chassis Set the pipings and the drain hose to the back of the chassis with the tubing holder Hook the edge of tubing holder to tap on chassis and push the bottom of tubing holder to be engaged at th...

Page 24: ...ning the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Bad case Following bending type from right to left could cause problem of pipe damage Connection of the pipes Outdoor mm inch kg m Ø6 35 1 4 1 8 Ø9 52 3 8 4 2 Ø12 7 1 2 5 5 Ø15 88 5 8 6 6 Ø19 05 3 4 6 6 Outside diameter Torque Outdoor unit Gas side piping Bigger diameter Liquid side piping Sma...

Page 25: ...by HAR or SAA The power cord connected to the A unit should be complied with the following specifications Type B approved by HAR or SAA mm2 The above circuit diagram is subject to change without notice Be sure to connect wires according to the wiring diagram Connect the wires firmly so that not to be pulled out easily Connect the wires according to color codes by referring the wiring diagram If a ...

Page 26: ... 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 cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 6...

Page 27: ...ped piping along the exterior wall using sad dle or equivalent To check the drainage Pour a glass of water on the evaporator Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit In cases where the Outdoor unit is installed above the Indoor unit perform the following Tape the piping and connecting cable from down to up Secure the taped pip...

Page 28: ... side tubes between the indoor and outdoor units have been properly connected and all wiring for the test run has been complet ed Remove the service valve caps from both the gas and the liquid side on the outdoor unit Note that both the liquid and the gas side service valves on the outdoor unit are kept closed at this stage Leak test Connect the manifold valve with pressure gauges and dry nitrogen...

Page 29: ...are nut securely with an adjustable wrench This process is very important to prevent leakage from the system Replace the valve caps at both gas and liquid side service valves and fasten them tight This completes air purging with a vacuum pump The air conditioner is now ready to test run 1 Remove the caps from the 2 way and 3 way valves 2 Remove the service port cap from the 3 way valve 3 To open t...

Page 30: ...te unit for 15 20 minutes then check the system refrigerant charge 1 Measure the pressure of the gas side service valve 2 Measure the temperature of the intake and discharge of air 3 Ensure the difference between the intake temperature and the discharge is more than 8 C 46 F Cooling or Heating 4 For reference the gas side pressure of optimum condition is as below Cooling Bolt Tubing connection Dis...

Page 31: ...ator 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 Temp Setting Temp 0 5 C Compressor OFF Temp Setting Temp 0 5 C While in compressor running o...

Page 32: ...erval whether to carry out defrost control or not and the time of defrost control are determined according to the following conditions 1 While in heating mode operation the maximum of the indoor pipe temperature is measured and it is com pared with the present indoor pipe temperature to get the difference of the indoor pipe temperatures the maximum temperature of indoor pipe the present temperatur...

Page 33: ...olled to the setting temperature 18 C When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority When the Jet Cool key is input the upper lower vanes are reset to those of the initial cooling mode and then operated in order that the air outflow could reach further Jet Cool Mode Operation H P Model While in heating mode or Fuzzy operation the Jet Cool...

Page 34: ...ation is the function to operate procedures automatically to the previous operating conditions Protection of the evaporator pipe from frosting If the indoor pipe temp is below 0 C in 7 min after the compressor operates without any pause while in cool ing cycle operation mode the compressor and the outdoor fan are turned off in order to protect the indoor evaporator pipe from frosting When the indo...

Page 35: ...ry Fan Hot start Deice Operation Indicator Deicer Indicator Operation Indicator Compressor on Indicator OUT DOOR 3sec 3sec 3sec once Error Code 1 Error Display LED Indoor body operation LED Error contents Indoor room temperature thermistor open short Indoor pipe temperature thermistor open short Indoor Thermistor assembly check SVC check point ...

Page 36: ...3 4 36 Service Manual ...

Page 37: ...e 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 Before removing the control box be sure to take out the wire screwed at the other end Earth Conductor ...

Page 38: ...rom 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 remove the Evaporator Remove 3 screws securing the evaporator at the left 2EA in the Eva Holder at the right 1EA Screw When repair do not damage the Caution label ...

Page 39: ... Remove 2 securing screw Pull the motor cover out from the chassis carefully 6 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 end of the cross flow fan from the self aligning bearing Motor cover Bearing Cross flow fa...

Page 40: ...40 Room Air Conditioner Schematic Diagram Schematic Diagram Electric Control Device Heat Pump Model LED TYPE ...

Page 41: ...AGRAM GN YL BL BR T BLOCK GN YL BL BR YL BR SH CAPA OR BK STEP MOTOR FORCE S W BR BL GN YL TO OUTDOOR UNIT 250V 2A Models SE 9k 12k Heat pump Model STEP MOTOR YL CN U D ZNR CN TAB1 SUB PCB FORCE S W INDOOR WIRING DIAGRAM TO OUTDOOR UNIT GN YL T BLOCK BL BR CN SUB DISPLAY PWB ASM CN DISPLAY RY COMP CN TAB2 SH CAPA BR 250V 2A FUSE CN FORCE CN F G MOTOR STEP F G THERMISTOR POWER BR BL GN YL PWB ASM S...

Page 42: ...WB ASM BR BL GN YL FUSE STEP MOTOR THERMISTOR FORCE S W PWB ASM CN MOTOR OR BK MOTOR YL BR SH CAPA POWER GN YL BL BR Models SY 9k ST 12k Heat pump Model STEP MOTOR CN TAB1 SH CAPA CN U D INDOOR WIRING DIAGRAM GN YL BK TO OUTDOOR UNIT BR BL RD T BLOCK RY FAN 1 L 2 N 4 3 BK BR BL GN YL RD DISPLAY PWB ASM RY COMP CN TAB2 3 4 250V 2A RY 4WAY FUSE POWER BL BR CN MOTOR CN MOTOR MOTOR BR GN YL BK OR YL T...

Page 43: ... C CAPACITOR F OUTDOOR DIAGRAM WIRING BROWN BLUE BROWN BLUE TERMINAL BLOCK OVERLOAD PROTECT Schematic Diagram Outdoor Unit Models Cooling on l y Model Models Heat pump Model FAN TERMINAL BLOCK OUTDOOR DIAGRAM WIRING THE UNIT INDOOR 1 L BROWN BROWN BLUE GREEN BLUE 2 N OVERLOAD PROTECT BROWN YELLOW R S COMP YELLOW GREEN C BROWN BLUE BLUE RED BLUE F C H CAPACITOR RED YELLOW ...

Page 44: ...44 Room Air Conditioner Schematic Diagram Components Location MAIN P W B ASSEMBLY TOP VIEW BOTTOM VIEW ...

Page 45: ...Service Manual 45 Schematic Diagram DISPLAY ASSEMBLY ...

Page 46: ...HANGE EVAPORATOR HEAT EXCHANGE CONDENSER HEAT EXCHANGE CONDENSER COMPRESSOR COMPRESSOR ACCUMU LATOR GAS SIDE GAS SIDE 3 WAY VALVE LIQUID SIDE LIQUID SIDE 3 WAY VALVE CAPILLARY TUBE CAPILLARY TUBE CHECK VALVE Heating Model only COOLING HEATING REVERSING VALVE Heating Model Only 1 Cooling Only Models Refrigeration Cycle Diagram 2 Cooling Heating Models ...

Page 47: ...ise connected manifold gauge Open Open Open with charging cylinder 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 outdoor unit Flare...

Page 48: ...o 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 3 way valve to the closed position Do this quickly so that the gauge ends up indi cating 3 to 5kg cm2 g 8 Disconnect the charge set and mount the 2 way and 3 way valve s stem nuts and the ser vice port nut Use torque wrench to tighten the service port nut to...

Page 49: ...rge set and discharge the refrigerant until the gauge indi cates 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 refrig erant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be neces sary to apply a evacuatin Discharge the refrigerant gradually if it is dis charged too su...

Page 50: ...e 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 3 Way valve Outdoor unit Liquid side Indoor unit Gas side 3 Way valve ...

Page 51: ...ime while operating the air conditioner 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 3 way valve s service port Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while operating the air conditioner turn o...

Page 52: ...f using graph Find outdoor temperature Find indoor temperature onto the curve of outdoor temperature Read suction pressure at the axis of ordinates The method of using equation Calculate suction pressure after putting indoor and outdoor temperature into the equation 13 At operating the Unit for 10 minutes Suction Pressure Kg cm 2 g Outdoor Temp C Indoor Temp C 12 11 10 9 8 7 6 5 5 10 15 20 25 30 3...

Page 53: ...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 1 The suction pressure is usually 8 5 9 5 kg cm2 G Cooling at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and ...

Page 54: ...amage Varistor ZNR01J Check the connection housing for contacting Connector related to CN NI RY COMP NO 3 Connector related to CN MOTOR Connector contacting of Outdoor Fan Compressor Display PCB Assembly Check Check each load Indoor Outdoor Fan Motor Compressor Stepping Motor and contacting condition of related connector Main PCB Board Operation Check Items SMPS Transformer Indoor unit Input Volta...

Page 55: ...battery 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 Display PCB Assembly Voltage between CN DISP1 DC 5V Check the connecting circuit between the remote controller MICOM No R16 1 5...

Page 56: ...e not engaged Compressor Outdoor Fan is stopped Check the related circuit of RY FAN Check the indoor temperature sensor is disconnected or not About 10kΩ at 25 C Turn off Main Power Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor Check the open or short of conmecting wires between indoor and outdoor Check Relay RY C...

Page 57: ...Check the related circuit of indoor Fan Motor The pin NO 58 of Micom and the part for driving TRIAC the input and output signal of IC01M PIN NO 1 16 Check the pattern Check the TRIAC TRIAC Open Indoor Fan Motor never operate TRIAC short Indoor Fan Motor always operates in case of ON or OFF When indoor Fan does not operate The voltage of PIN NO 1 orange and 3 yellow of CN MOTOR About AC 180V over A...

Page 58: ... 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 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 Confirm that there is a soldering short at follo...

Page 59: ...re 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 ASSEMBLY The details of check are as followings Check point Between Micom NO 59 and GND Between IC01M NO 15 and GND Comp ON DC 5V Below DC 1V Comp OFF DC 0V About DC 12V Check point Between Micom NO 51 and GND Between IC02M NO 11...

Page 60: ...ing Guide Turn off Main Power Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor 4 way Check the open or short of connecting wires between indoor and outdoor ...

Page 61: ...ce Manual 61 Exploded View Exploded View 135301 152302 342800 264110 263230 359011 131410 733010 135312 135311 159901 268712 146811 668713 346810 266090 135516 35211B 354210 249951 268714 267110 Indoor Unit ...

Page 62: ... Exploded View 559010 552202 552111 649950 430410 552203 2 546810 435301 437210 561410 567502 554160 552203 1 552116 447910 W0CZZ 552201 554031 237205 437212 237204 435511 550140 552102 1 Outdoor Unit 9k Heat Pump 12k Series ...

Page 63: ...3 Exploded View 554031 435512 437212 435511 W0CZZ 552202 552116 554160 550140 552203 2 552203 1 430410 447910 649950 552111 552201 552102 1 552102 2 437210 435301 559010 546810 561410 Outdoor Unit 9k Cool Only Seriess ...

Page 64: ...A 4681A10020M 4681A10020J R 550140 4984AR4361A 4984AR4390A 4984AR4361A 4984AR4390A R 552102 5210A21761V 5424AR3531E 5210A31413A 3H01535Y R 552203 1 5220AR2609D 5220AR2609F 5220AR2609F 5220AR2609F R 552203 2 5220AR2578C 5220A20003E 5220AR2578F 5220A20003E R 554031 5403A20106E 5403A20113G 5403A20106E 5403A20113Q R 554160 2520UCAK044 2520UCAJ020 2520UCAK044 TBZ31018301 R 559010 5900AR1266D 5901A10057...

Page 65: ...81A10023P 4681A10023S R 35211B 5211A21144T 5211A21144U 5211A21144H 5211A21144U R 354210 5421A20262C 5421A20263B ADL31252801 5421A20263E R 354210 5421A20263B 5421A20262C ADL31252601 5421A20262C R 359011 5901A20017H 5901A20017H 5901A20017A 5901A20017H R 733010 3301A20020G 3301A20020G 3301A20020J 3301A20020G R W0CZZ 3H01487A 3H01487A 3H01487A 3H01487A R LOCATION No DESCRIPTION CHASSIS ASSEMBLY GRILLE...

Page 66: ...R2578C 5220A20003E 5220AR2578F 5220A20003E R 554031 5403A20106E 5403A20113G 5403A20106E 5403A20113Q R 554160 2520UCAK044 2520UCAJ020 2520UCAK044 TBZ31018301 R 559010 5900AR1266D 5901A10057A 5900AR1266D 5901A10057A R 567502 6750U L002A 6750U L016A 6750U L002A R W0CZZ 2A00986Q 2H01451P 2A00986Q 2H01451S R REMARK PART No VALVE SERVICE LOCATION No DESCRIPTION BASE ASSEMBLY OUT GRILLE DISCHARGE COVER A...

Page 67: ...03 1 5220AR2609F 5220AR2609F 5220AR2609F 5220AR2609F R 552203 2 5220AR2578F 5220A20003E 5220AR2578F 5220A20003E R 554031 5403A20188B 5403A20113P 5403A20188B 5403A20101N R 554160 2520UCAK052 2520UCAJ047 TBZ30817001 TBZ31126301 R 559010 5901A10057A 5901A10057A 5901A10057A 5901A10057A R 567502 6750U L002A 6750U L027A 6750U5L005B R W0CZZ 2A00986Q 2H01451S 2H01451P 2H01451S R CAPACITOR DRAWING CONDENSE...

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