LG AS-H0766KA2 Service Manual Download Page 63

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Service Manual 63

Replacement Parts List

Parts List (Indoor)

LOCATION

DESCRIPTION

PART No.

REMARKS

No.

430410

BASE ASSEMBLY,OUTDOOR

3041A20079A

3041A20072D

3041A20072B 3041A20079A

552203-1

VALVE,SERVICE

2H02479P

5220A20005B

2H02479P

552203-2

VALVE,SERVICE

5220A20040A

2H01890P

5220A20040A

554031

CONDENSER ASSEMBLY,BENDING

5403A20059B

5403A20059B 5403A20199D/F 5403A20198M 5403A20059U

546810

MOTOR,UNCLASSIFIED

4681A20121B

4681A20121D

4681A20121E 4681A20121B

559010

FAN ASSEMBLY,PROPELLER

5900AR1266C 5900AR1266C

5901A10055B

5901A10055A 5900AR1266A

554160

COMPRESSOR SET,KOREA

2520UCDK028 5417A20012H 2520UKMP2BA 2520UKMP2BA 5416A20013L

567502

OVERLOAD PROTECT

6750U-L014A

6750A30001C

6750U-L027A

6750U-L027A 6750A30001C

550140

DAMPER,COMPRESSOR

4H00982E

552116

TUBE ASSEMBLY,REVERSE

5211A23317A

5211A21027F

5211A29021C

552202

VALVE,REVERSE

5220AR3084E

5220AR3084E 5220AR3084E

552111

TUBE ASSEMBLY,CONDENSER(OUT)

5211A23318A

5211A20133Z

5211A10197Y

5211A21143M 5211A20133Z

552201

VALVE,CHECK

3H01552F

552102-1

TUBE,CAPILLARY BENDING

5210A22614L

5210A20595F

5210A23613A

5210A22614H 5210A20595F

552102-2

TUBE,CAPILLARY BENDING

5210A23613B

649950

CASE ASSEMBLY,CONTROL(OUTDOOR)

4995A90162A

4995A10032V

4995A90441A

4995A90441B 4995A90162D

W0CZZ-2

CAPACITOR,FILM,BOX

2H01451T

2H01451P

561410

SOLENOID

3A02028Y

237204-1

PANEL,SIDE

3720A10238A

3720A29001A

237204-2

PANEL,SIDE

3720A10239A

435300

GRILLE,REAR

3530A10251B

437212

PANEL,REAR

3720A10172A

3720A10172C

447910

BARRIER,OUTDOOR

4790A10025D

4790A10057B

4790A10057B 4790A10025D

435511

COVER ASSEMBLY,CONTROL(OUTDOOR)

3551A30115D

3551A30136A

3551A30136A 3551A30023W

437211

PANEL ASSEMBLY,FRONT(OUTDOOR)

3720A10171A

3721A10153B

3721A10153B 3721A20258A

435301

GRILLE,DISCHARGE

3530A10059G

3530A10250B

3530A10250B 3530A10059H

LS-H0766KA2 LS-H0966KA2 LS-H126RKA2 LS-C126RKA2 LS-C0966KA2

NOTE)

Please ensure GCSC since these parts may be changed depending upon the buyer's request.

(GCSC WEBSITE http://biz.LGservice.com)

Summary of Contents for AS-H0766KA2

Page 1: ...6KA2 LS H0766KA2 AS H0966KA2 LS C0966KA2 AS H126RKA2 LS H0966KA2 AS H186TKA2 LS C126RKA2 LS H246TKA2 LS H126RKA2 CAUTION website http biz 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 23 Connect the Cable to the Indoor Unit 23 Connect the Cable to the Outdoor Unit 24 Checking the drainage and forming the pipings 25 Checking the Drainage 25 Form the Piping 25 AIR PURGING 26 Air purging 26 Air purging with vacuum pump 26 Test Running 28 Operation 29 Function of Controls 29 Display Function 33 Self diagnosis Function 33 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: ...ision Panel Type 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 Basic A Basic 4Way B Plasma Filter C Plasma Filter 4 Way D Tele LCD E Tele LCD Nano plasma 4Way F Nan...

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: ...85 314 D mm 155 156 172 Model Dimension 7K 9K Btu Series 12K Btu Series 18K Btu Series 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 NOTICE Symbols Used in this Manual ...

Page 11: ...4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL 7k 9k Btu Series 12k Btu Series DIM unit W mm 575 717 H mm 525 498 D mm 260 229 L1 mm 301 270 L2 mm 73 56 L3 mm 392 464 L4 mm 35 17 L5 mm 100 130 Dimensions Outdoor Unit Dimensions ...

Page 12: ...m Air Conditioner Outdoor Unit MODEL DIM W L2 L3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve W mm 840 H mm 577 D mm 276 L1 mm 337 L2 mm 64 L3 mm 611 L4 mm 16 L5 mm 156 18K But Series Dimensions ...

Page 13: ...utdoor Unit W L7 L6 L8 L9 D L1 L2 L3 L10 L11 L4 L5 H Gas side Liquid side MODEL DIM W mm 870 H mm 655 D mm 320 L1 mm 370 L2 mm 340 L3 mm 25 L4 mm 630 L5 mm 25 L6 mm 546 L7 mm 162 L8 mm 162 L9 mm 54 L10 mm 74 5 L11 mm 79 AS H246TKA2 ...

Page 14: ...V 50Hz 1Ø 220 240V 50Hz 1Ø 220 240V 50Hz 1Ø 220 240V 50Hz 1Ø 220 240V 50Hz 5 0 5 7 5 8 6 6 8 8 9 5 13 4 15 1 20 20 22 42 42 34 37 40 40 47 49 49 52 54 57 730 940 1250 1760 2290 730 970 1140 1900 2450 3 2 4 1 5 6 7 9 10 5 3 2 4 2 5 1 8 5 11 0 9 59 9 57 9 6 10 51 10 26 10 0 9 58 10 96 10 0 9 59 7 7 9 5 22 22 18 18 72 82 9 756x260x155 756x260x155 900x285x156 1090x314x172 1090x314x172 575x525x260 575x...

Page 15: ...40V 50Hz 1Ø 220 240V 50Hz 1Ø 220 240V 50Hz 1Ø 220 240V 50Hz 1Ø 220 240V 50Hz 5 0 5 7 5 8 6 6 8 8 9 5 8 8 9 5 5 8 6 6 20 20 22 22 20 35 37 40 40 37 49 49 52 52 49 700 920 1310 1310 950 730 850 1250 3 1 4 1 6 0 6 0 4 2 3 2 3 7 5 8 10 9 78 9 16 9 16 9 47 2 93 3 1 3 05 3 1 7 7 9 5 9 5 7 18 18 18 756x260x155 756x260x155 900x285x156 900x285x156 756x260x155 575x525x260 575x525x260 717x498x229 717x498x229...

Page 16: ...do 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 A More than B More than 2 3m More than B Capacity is based on standard length and maxi mum allowance length is on the basis of reliabil...

Page 17: ...ille 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 Installation Plate Type A screw 5 7mm 3 16 5 16 Indoor WALL Outdoor Installation plate Ø70mm Left rear piping Right rear piping...

Page 18: ... 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 the...

Page 19: ... moving it left and right Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots click ing sound Connecting the pipings to the indoor unit and drain hose to drain pipe Align the center of the pipes and sufficiently tighten the flare nut by hand Tighten the flare nut with a wrench When extending the drain hose at the indoor unit insta...

Page 20: ...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 21: ...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 22: ...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 23: ... 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 power plug is not to be used provide a circuit ...

Page 24: ... 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 25: ...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 26: ... 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 27: ...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 28: ... 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 Discharge tempera...

Page 29: ...oling 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 operating with the airflow speed set by the remote control While in compressor not running o...

Page 30: ...val 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 temperature ...

Page 31: ...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 32: ...e 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 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 ...

Page 33: ...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 34: ...34 Room Air Conditioner Remote Control Operations The remote control transmits the signals to the system Operation ...

Page 35: ...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 36: ...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 Caution label When repair do not damage the Caution label ...

Page 37: ...Motor Cover 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 ...

Page 38: ... 3 5 4 3 5 4 CN OPTION 2 2 1 1 PIPE TH ROOM TH 3 3 SMW 200 1 2 1 2 1 2 1 2 DC PART CN TH1 SMAW 200 4 4 OR3H 680pF 50V OR1H C11L OR2H 5 OR1H 6H OR5H Q04G OR4H OR6H R26H R25H R24H R23H R22H OPERATION TIMER HIGH MIDDLE LOW OPTION3 OPTION2 103 C01p R05H R04H 6 2K CAT24WC01J EEPROM 5V R21H 5V R02H 12 1K 10K A0 A1 A2 4 3 G 2 1 C02HJ C01H R01H 103 103 R03H 10K 10K OPTION1 PIPE ROOM TH 7 R01P WP SCL SDA 5...

Page 39: ...0766KA2 AS H0966KA2 AS H126RKA2 LS H0766KA2 LS H0966KA2 LS H126RKA2 AS H186TKA2 AS H246TKA2 Models LS C126RKA2 LS C0966KA2 Outdoor Unit Models LS H0766KA2 LS H0966KA2 AS H126RKA2 LS H0766KA2 LS H0966KA2 LS H126RKA2 AS H186TKA2 Models LS C126RKA2 LS C0966KA2 Models AS H246TKA2 ...

Page 40: ...C01L R01L RY 4WAY RY FAN D02J C01J C02J C01F NF01J CN U D CN DISP1 C01H OR4H OR2H R21H OR1H OR3H J26 OR5H OR6H R03H C12L R12L R05H D01M J2 C02H R01H R02H R04H CN TH1 FUSE CN 4WAY RY COMP CN MOTOR ZNR01F R04F CN N2 CN N1 FUSE 250V T2A RY COMP PWB 6870A90239A D03J IC01F C03J R02F TR01F R03F NTC D04J CN MOTOR ZNR01F D02J R04F C01F CN N2 NF01J CN N1 3 D01J C02D R02D PWB ASM 6871A20573 C04J 5 R01J SMPS...

Page 41: ...PWB ASM 6871A20573 C04J 5 R01J SMPS 8 D01D R02L D05J 4 C05J IC01J D06J R02J 1 J11 C06J D01L C01D C06D C03D R01F C05D IC01D Q01L J13 C14L J12 IC01A L01D C02A C04D R01A J14 R14L R04L C03T BZ01E C01L J5 J4 C07D R01L ZNR01J C01J C02J RY 4WAY R03L IC01L RY FAN J7 J6 R03D C08D OSC01B C01A J9 C11L R11L J15 C09D C01P J01 J10 CN CENT 2004 06 19 DIP 4 D01M CN 4WAY J2 CN U D J8 C01H CN TH1 C02H CN OPTION C12...

Page 42: ...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 43: ...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 44: ...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 45: ...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 46: ...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 47: ...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 48: ...hod of using graph Find outdoor temperature Find indoor temperature onto the curve of outdoor temperature Read suction pressure at the axis of ordinates The method of using equation Calculate suction pressure after putting indoor and outdoor temperature into the equation 13 At operating the Unit for 10 minutes 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...

Page 49: ...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 50: ...age Varistor ZNR01J Check the connection housing for contacting Connector related to CN TAB1 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 51: ...CD screen replace 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 controlle...

Page 52: ...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 53: ...Check the related circuit of indoor Fan Motor The pin NO 63 of Micom and the part for driving TRIAC the input and output signal of IC01M PIN NO 7 10 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 54: ... 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 55: ...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 11 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 56: ...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 57: ...Service Manual 57 Exploded View Exploded View 346810 146811 131410 359011 342800 147581 354210 268711 135311 135316 267110 733010 152302 35211B 135516 352150 268712 W0CZZ Indoor Unit 135313 249951 ...

Page 58: ...42800 159901 1 145201 159901 2 268712 145200 159830 135311 135316 733010 152313 135314 152302 249951 268714 1 268714 2 W0CZZ 1 W6640 263230 264110 264110 263230 668713 266090 268714 Option Parts Part for Plasma Models Part for Plasma Models Part for Plasma Models 58 Room Air Conditioner ...

Page 59: ... View 554031 437212 435511 552202 567502 552116 554160 561410 552111 550140 552203 1 552203 2 430411 447900 649950 437211 435301 559010 546810 Part for H P Models Part for External Models Outdoor Unit 7 9 18K Btu h Models 349480 ...

Page 60: ... 559010 552202 552111 649950 430410 552203 2 546810 435301 437211 561410 567502 554160 552203 1 552116 447910 WOCZZ 2 554031 237204 2 435300 237204 1 435511 550140 Part for External Models Part for H P Models Outdoor Unit 12k Btu h Models ...

Page 61: ...View 554032 437212 435511 668713 W0CZZ 1 W0CZZ 2 552202 552116 553000 554160 550140 552203 2 552203 1 430410 435301 447910 649950 552111 437210 559010 435512 546810 567502 Part for H P Models Part for External Models Outdoor Unit ...

Page 62: ...4110 POWER CORD ASSEMBLY 6411A20013E 6411A20013E 6411A20013E 6411A20047A 6411A20047B R 668713 PWB PCB ASSEMBLY SUB 6871A20631A 6871A20631B 6871A20631T 6871A20631G 6871A20631J R W0CZZ CAPACITOR DRAWING 3H01487K 3H01487K 3H01487K 3H01487G 3H01487G R 135311 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A10301A 3531A10301A 3531A10314A 3531A10325A 3531A10325A R 146811 MOTOR ASSEMBLY STEP 4681A20055A 4681A20055A...

Page 63: ...11 TUBE ASSEMBLY CONDENSER OUT 5211A23318A 5211A20133Z 5211A10197Y 5211A21143M 5211A20133Z R 552201 VALVE CHECK 3H01552F R 552102 1 TUBE CAPILLARY BENDING 5210A22614L 5210A20595F 5210A23613A 5210A22614H 5210A20595F R 552102 2 TUBE CAPILLARY BENDING 5210A23613B R 649950 CASE ASSEMBLY CONTROL OUTDOOR 4995A90162A 4995A10032V 4995A90441A 4995A90441B 4995A90162D R W0CZZ 2 CAPACITOR FILM BOX 2H01451T 2H...

Page 64: ...SEMBLY REVERSING 5211A20188T 5211A20188P 5211A29021A 5211A20270P 5211A20529H R 552201 VALVE CHECK 5220A30004A 5220A30004A R 552202 VALVE REVERSING 5220AR3228J 5220AR3228J 5220AR3228D 5220AR3228E 5220AR3228C R 552203 1 VALVE SERVICE 5220A20005B 5220A20005B 5220A20006J 5220A20005B 5220A20001R R 552203 2 VALVE SERVICE 5220A20001Q 5220A20001Q 5220A20005B 5220A20006J 5220A20013A R 554031 CONDENSER ASSE...

Page 65: ...8A 5211A20133Z 5211A10197Y 5211A21143M 5211A20133Z R 552201 Valve Check 3H01552F R 552102 1 Tube Capillary Bending 5210A22614L 5210A20595F 5210A23613A 5210A22614H 5210A20595F R 552102 2 Tube Capillary Bending 5210A23613B R 649950 Case Assembly Control Outdoor 4995A90162A 4995A10032V 4995A90441A 4995A90441B 4995A90162D R W0CZZ 2 Capacitor Film Box 2H01451T 2H01451P R 561410 Solenoid 3A02028Y 3A0202...

Page 66: ...P No 3828A20462C October 2006 Printed in Korea ...

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