LG LS-J0761NL Скачать руководство пользователя страница 77

Страница: 77 / 85

- 77 -

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18k Series(Outdoor)

Содержание LS-J0761NL

Страница 1: ... J0761NL NM NN LS J0962NL NM NN YL LS L1261NL NM NN LS K1860NL NM NN YL LS K1861YL LS K18612L CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel Internal Use Only http biz lgservice com ...

Страница 2: ...7 Operation 41 Disassembly of the parts Indoor Unit 43 2 way 3 way Valve 46 Cycle Troubleshooting Guide 53 Self diagnosis function 54 Electronic Parts Troubleshooting Guide 56 Electronic Control Device 67 Schematic Diagram 73 Exploded View 78 2 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 3: ...peed The unit will be stopped after 1 2 3 4 5 6 7 hours The fan 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 the Current Control Time Del...

Страница 4: ...ed outdoor temp discharge pipe temp heat sink temp target freq owing to CT When the temp of power module increases to 85 C controller decreases Freq of Comp It will be changed the drive freq of comp according to temp of indoor and outdoor It will be changed the drive voltage of comp according to operating frequency It is only operated in the heating operation mode except defrosting operation High ...

Страница 5: ...mer Cancel Sleep Operation Airflow Direction Control Heating model only TEMPERATURE LOW HIGH Cooling Operation Mode Heating Operation Mode Auto Operation Mode Fan Operation Mode Room Temperature Display Setting the Time or Timer ON OFF SET CANCEL Fan Speed Selection Low Med High CHAOS High 30 C LOW 18 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...

Страница 6: ...on Type Service Valve Liquid inch mm Gas Sleeping Operation Drain Hose Connecting Cable mm2 Power Cord mm2 at 230V at 230V at 230V at 230V 7 000 4 700 8 300 9 000 5 200 9 700 12 000 7 500 13 200 18 000 11 000 19 800 17 500 11 000 19 800 9 000 5 000 10 000 11 250 4 600 12 500 14 400 8 300 15 900 27 700 12 800 22 770 19 700 12 800 22 770 1 1 1 1 3 2 5 1Ø 220 240V 50Hz 5 6 6 5 8 6 12 25 25 25 42 33 3...

Страница 7: ...ion plate Right rear piping Left rear piping ø70mm ø70mm 50mm 20mm 20mm 80mm ø70mm A A A A Center Right rear piping Left rear piping Center ø70mm Tubing hole cover Tubing hole cover Installation plate D C Right rear piping Left rear piping Hole center ø70mm MODEL DIM Unit W mm 802 888 1 080 H mm 262 287 314 D mm 165 170 181 7k 9k Btu Series 12k Btu Series 18k Btu Series 7k 9k 12k 18k 7k 9k 12k 18k...

Страница 8: ...oor Unit W D L1 L2 H L3 L4 L5 L6 L7 L8 L9 L10 Liquid side 2 way valve Gas side 3 way valve MODEL 7k 9k 12k Btu h Series 18k Btu h Series DIM unit W mm 801 870 H mm 555 655 D mm 262 320 L1 mm 339 370 L2 mm 37 25 L3 mm 543 6 630 L4 mm 11 4 25 L5 mm 591 546 L6 mm 105 162 L7 mm 105 162 L8 mm 72 5 54 L9 mm 86 4 79 L10 mm 77 74 5 ...

Страница 9: ...erved Only for training and service purposes LGE Internal Use Only INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR ACCUMU LATOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE CAPILLARY TUBE COOLING HEATING REVERSING VALVE Heating Model Only 7k 9k Btu SERIES 3 8 1 4 15 7 12k Btu SERIES 1 2 1 4 15 7 18k Btu SERIES 1 2 1 4 30 15 ...

Страница 10: ...SW01F CN TH1 FUSE 2A T250V P NO 3854A20080P RY POWER BK RD BK BK LIMIT S W CN L R STEP MOTOR H V B A CL OPTION BK BK BK BK CN MOTOR CN OUT CN DATA SW01F CN TH1 FUSE 2A 250V P NO 3854A20080A RY POWER BK CN DISP1 DISPLAY PCB ASM BR BR BL BL RD RD GN YL GN YL TERMINAL BLOCK 1 L 2 N 3 1 Indoor Unit LS _NL Series 7 9 12K Btu LS _NM NN Series 7 9 12K Btu LS _NL NM NN Series 18K Btu LS K18612L ...

Страница 11: ...A20080B 3854A90014G SUB PWB CAPACITOR CN DC CN DC CN UVW RD YL YL YL BL BR CN AC IGB T C COIL COMP GN YL RD BL YL CN COMP CN UVW U V W CN PWR1 CN PWR1 CN DATA CN AC1 CN AC2 CN IPM CN TH2 CN TH1 CN 4WAY RY LOW WCN3 WCN1 WCN2 RY HIGH RY 4WAY CN SUB1 CN SUB2 3854A20080T SUB PWB FILTER PWB ASM MAIN PWB ASM F M OUTDOOR WIRING DIAGRAM CN DC CN SUB C COIL 1 L 2 N 3 INDOOR UNIT SPECIAL FUSE AC250V 20A COM...

Страница 12: ...p timer mode off when sleep timer cancel or appliance operation pause On while in timer mode on off off when timer mode is completed or canceled Off except when hot start during heating mode operation or while in defrost control Cooling heating dehumidification mode setting temperature from remote control Fuzzy operation mode fuzzy key data 5sec on AI Operation Indicator Sleep Timer Indicator Time...

Страница 13: ...3 of COMP operating frequency Power level 2 below Step 6 of COMP operating frequency Power level 3 below Step 10 of COMP operating frequency Power level 4 below Step 14 of COMP operating frequency Power level 5 over Step 14 of COMP operating frequency Operation mode except heat mode operation Power level 1 below Step 2 of COMP operating frequency Power level 2 below Step 8 of COMP operating freque...

Страница 14: ...ause of compressor compressor outdoor fan is turned on according to the condition of the room temperature 3 Protection of the indoor fan from droplet formation Enclosure sweat and condensed disposal test Control condition The system operates standard operation without this condition as follows Setting temperature 25 C Indoor fan speed low speed Outdoor temperature 31 C Control method Operation fre...

Страница 15: ... at the temperature between setting temp 0 5 C and setting temp 1 0 C for 3 minutes continuously When intake air temperature reaches below the temperature of setting temp 1 0 C Compressor 2 minutes delay The compressor can restart minimum 2 minutes later after compressor off Temp differences over 2 5 C 2 0 2 49 C 1 5 1 99 C 1 0 1 49 C 0 5 0 99 C 0 0 0 49 C Comp Operating frequency Step 12 Step 10 ...

Страница 16: ...mperature Operating frequency of compressor and indoor fan speed Temp differences 32 C intake air temp 26 C intake air temp 32 C 24 C intake air temp 26 C 18 C intake air temp 24 C intake air temp 18 C Comp Operating frequency 25 C 25 C intake air temp 1 C intake air temp 0 5 C 18 C Cooling operation area Dehumidification operation area After 3 min off OFF instantly Low speed Low speed After 5 min...

Страница 17: ...tion of indoor fan turned off While in compressor on indoor pipe temp 26 C off indoor pipe temp 37 C While in defrost control between the indoor and outdoor fans are turned off Compressor 2minutes delay After compressor off the compressor can restart minimum 2 minutes later Temp differences over 3 0 C 2 5 3 0 C 2 0 2 49 C 1 5 1 99 C 1 0 1 49 C 0 5 0 99 C 0 0 0 49 C Comp Operating frequency Step 19...

Страница 18: ...peration for cooling According to the setting temperature selected by Fuzzy rule the operating frequency of compressor is deter mined like cooling mode operation At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temperature at that time When the Fuzzy key setting temp key is input after the initial setting temperature is selected...

Страница 19: ... While in Fuzzy operation the airflow speed of the indoor fan is automatically operated by CHAOS logic at beginning during opertion Outdoor temp over 26 C 0 5 C 5 0 C below 5 C 16 30 C below 16 C over 30 C Setting temp intake air temp 0 5 C intake air temp 1 0 C intake air temp 1 5 C intake air temp 2 0 C Fuzzy rule 16 C Fuzzy rule 30 C Fuzzy rule Fan speed CHAOS airflow 7 3 Fuzzy operation for de...

Страница 20: ...r outflow could reach further 9 Swing mode 9 1 Chaos swing mode of not fuzzy mode operation By the Chaos swing key input the upper lower vane automatically operates with the Chaos swing or it is fixed to the desired direction Closed Open Mode 1 Mode 2 Mode 3 Mode 4 Mode 5 Mode 6 Mode 7 Beginning of cooling Mode 8 Cooling Mode Chaos swing of 7K 9K Btu Series Chaos swing of 12K Btu Series 8 135 Heat...

Страница 21: ...LGE Internal Use Only 9 2 Auto swing of Fuzzy mode operation While in Fuzzy mode operation Chaos swing is operated according to 1 f fluctuation 1 f fluctuation MODE00 Open MODE01 MODE02 MODE03 MODE04 MODE05 MODE06 MODE08 MODE09 MODE10 MODE11 MODE12 MODE13 MODE14 MODE15 MODE16 MODE17 Closed MODE07 ...

Страница 22: ...0 min later since the start of the sleep timer the setting temperature decrease by 0 5 C After another 60min elapse it decreases by 1 C again Setting temp C 0 5 C up 0 1 C up Cooling ON temp Setting temp 0 5 C Cooling OFF temp Setting temp 0 5 C 1 2 Sleep time hr Setting temp C Heating ON temp Setting temp Heating OFF temp Setting temp 3 0 C 1 2 Sleep time hr 0 5 C down 1 0 C down 10 Sleep timer o...

Страница 23: ...operation ON OFF Operation mode setting temp selected airflow speed Sleep timer mode remaining time of sleep timer 12 Forced operation To operate the appliance by force in case that the remote control is lost the forced operation selection switch is on the main unit of the appliance to operate the appliance in the standard conditions The operation condition is set according to the outdoor temp and...

Страница 24: ... 8 5A 10A 11 5A 8A 9 5A 11 5A Cooling Heating 9A 10 5A 13 5A 8 5A 10A 13 5A Cooling Heating 10 5A 12A 13 5A 10A 11 5A 13 5A Cooling Heating 12 5A 14A 16A 12A 13 5A 16A Operating mode below 38 C outdoor temp I1 I2 I1 I2 over 38 C outdoor temp Condition I1 Current of operating frequency down I2 Current of compressor cut off cf I1 is set the lowest level between intial value and in case dectection of...

Страница 25: ...nk 4 times when the thermistor is open or short also the temperature is over Toff 17 Portection from overheating of compressor If the temperature of the discharge pipe of compressor reaches over 130 C or below 30 C the compressor stop instantly It will be limited the compressor operating frequency according to the compressor dome TH Refer to below Fig Comp off Comp free Fc 1 Fc 2 Target frequency ...

Страница 26: ...vaporator pipe of the outdoor unit Defrosting control is available 50 minutes later since heating cycle started and the pipe temperature of out door unit reaches below 6 C 50 min Setting frequency Setting speed Setting speed OFF OFF ON OFF OFF Cooling cycle Setting frequency 30 sec Fc 1 step Operating frequency of compressor 4 Way valve Outdoor fan Indoor fan Defrost LED Fc 1 Fh 1 OFF ON ON Heatin...

Страница 27: ...e sure that heat radiation from the condenser is not restricted Ensure that the space around the back and sides is more than 10cm The front of the unit should have more than 70cm of space Do not place animals and plants in the path of the warm air Take the air conditioner weight into account and select a place where noise and vibration are mini mum Select a place so that the warm air and noise fro...

Страница 28: ...y for training and service purposes LGE Internal Use Only Installation Plate Marking off line Thread Weight Type A screw Hole center Right rear piping Left rear piping ø70mm ø70mm 50mm 20mm 20mm 80mm D C Right rear piping Left rear piping Hole center ø70mm 7k 9k Btu 18k Btu 5 7mm 0 2 0 3 Indoor WALL Outdoor Drill the piping hole with a ø70mm hole core drill Drill the piping hole at either the righ...

Страница 29: ...s you remove burrs in order to avoid dropping burrs into the tubing 3 Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having complet ed burr removal not possible to put them on after flaring work Copper pipe 90 Slanted Uneven Rough Bar Copper pipe Clamp handle Red arrow mark Cone Yoke Handle Bar A Pipe Reamer Point down 4 Flaring work Carry out flari...

Страница 30: ...ess the lower left and right sides of the unit against the installation plate until the hooks engage into their slots clicking sound 3 Tape the tubing drain hose and the connecting cable Be sure that the drain hose is located at the lowest side of the bundle Locating at the upper side can cause drain pan to overflow inside the unit 5 Connecting the pipings to the indoor unit and drain hose to drai...

Страница 31: ... tape narrow Connection pipe Connecting cable Vinyl tape wide Wrap with vinyl tape Indoor unit pipe Pipe Torque wrench Indoor unit tubing Spanner fixed Connection pipe Flare nut Vinyl tape narrow Adhesive Drain pipe Indoor unit drain hose When extending the drain hose at the indoor unit install the drain pipe Tighten the flare nut with a wrench Wrap the area which accommodates the rear pip ing hou...

Страница 32: ... center of the pipings and sufficiently tighten the flare nut by hand Tighten the flare nut with a wrench 7 Wrap the insulation material around the connect ing portion Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material Bind them together with vinyl tape so that there is no gap Plastic bands Insulation material Vinyl tape narrow Connection pipe Connecting ...

Страница 33: ...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 the bottom of chassis 10 Indoor unit installation Remove the spacer Ensure that the hooks are properly seated on the installation plate by moving it left and right Drain hose Connecting cable Piping for passage through piping hole Tubing holder Hook 1 Push 2 Wra...

Страница 34: ... SAA RED RED BLUE BLUE 1 L Terminals on the indoor unit 2 N 3 1 L Terminals on the outdoor unit 2 N 3 BROWN GREEN YELLOW BROWN GREEN YELLOW NORMAL CROSS SECTIONAL AREA 7K 9K 1 0mm2 12K 1 5mm2 18K 2 5mm2 NORMAL CROSS SECTIONAL AREA 7K 9K 1 0mm2 12K 1 5mm2 18K 2 5mm2 The connecting cable connected to the indoor and outdoor unit should be complied with the fol lowing specifications Type H07RN F appro...

Страница 35: ...the inside of control cover 2 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 cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is suffic...

Страница 36: ...EMS 2 If it is not connect the earth line It may occur safety problems 3 If it crossed No1 No2 of fillet terminal it must occur communication error error code 5 but communication cir cuit is not malfunction 4 The related earth line must be connected for EMC 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 AC220v 240V 50Hz Connecting cable To OUTDOOR PCB ASS Y To CN POWER of INDOOR PCB ASS Y To relay pin4 RY PWR To...

Страница 37: ...orm the following Tape the piping and connecting cable from down to up Secure the taped piping along the exterior wall Form a trap to prevent water entering the room Fix the piping onto the wall by saddle or equiva lent Seal a small opening around the pipings with gum type sealer Trap Trap 1 Checking the drainage 1 To remove the front panel from the indoor unit remove the front panel from the indo...

Страница 38: ...est Connect the manifold valve with pressure gauges and dry nitrogen gas cylinder to this ser vice port with charge hoses Pressurize the system to no more than 150 P S I G with dry nitrogen gas and close the cylin der valve when the gauge reading reached 150 P S I G Next test for leaks with liquid soap Lo Hi Indoor unit Outdoor unit Manifold valve Charge hose Nitrogen gas cylinder in vertical stan...

Страница 39: ...re 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 th...

Страница 40: ... than shown the system is most likely over charged and charge should be removed If the actual pres sure are lower than shown the system is most likely undercharged and charge should be added The air conditioner is now ready for use Bolt Tubing connection Outside ambient TEMP The pressure of the gas side service valve 35 C 95 F 4 5 5 5kg cm2 G 63 9 78 1 P S I G This is performed when the unit is to...

Страница 41: ...E 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 PLASMA OP...

Страница 42: ...L BUTTON 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 ENERGY SAVING COOLING MODE BUTTON OPTIONAL Used to set Energy Save in cooling mode AIR CIRCULATION BUTTON OPTIONAL Used to circulate the room air without cooling or heating turns indoor fan on off ROOM TEMPERATURE CHECKING BUTTON Used to ch...

Страница 43: ...s 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 7k 9k Btu models 2EA 12K 18K Btu models 3EA 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 mot...

Страница 44: ...2 To remove the Control Box Remove 2 or 4 securing screws Pull the control box out from the chassis careful ly 3 To remove the Evaporator Remove 3 screws securing the evaporator at the left 1EA at the right 2EA Remove 3 screws securing the evaporator at the left 2 EA in the Eva Holder at the right 1EA only LS J series ...

Страница 45: ... same time slightly pull the evaporator toward you until the tab is clear of the slot 4 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 ...

Страница 46: ...osed Open Open clockwise counter clockwise 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...

Страница 47: ...remove the cap from the 3 way valve s ser vice port Using the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute Repeat this three times 5 Use torque wrench to tighten the service port nut to a torque of 1 8kg cm 6 Set the 3 way valve to the back seat 7 Mount the valve stem nuts to the 2 way and 3 way valves 8 Check for gas leakage At this time es...

Страница 48: ...h the push pin to the service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the 2 way 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 3 way valve to the closed position Do this quickly so that the gauge ends up i...

Страница 49: ...purging the air use a torque wrench to tighten the flare nut on the 2 way valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the gas cylinder and dis charge the refrigerant until the gauge indi cates 3 to 5 kg cm2 g 6 Disconnect the charge set and the gas cylin der and set the 2 way and 3 way valves to the open position Be sure ...

Страница 50: ... the service port 3 Open the valve Lo side on the charge set and discharge the refrigerant until the gauge indicates 0 kg cm2 G If there is no air in the refrigerant cycle the pressure when the air conditioner is not run ning is higher than 1 kg cm2 G discharge the refrigerant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be nec essary to apply a evacuatin Discharge t...

Страница 51: ...t the gauge needle has moved toward 76 cmHg vacuum of 4 mmHg or less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed Lo Open Open Vacuum ...

Страница 52: ...ant it can be charged with a little at a time approximately 150g each time while operating the air con ditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure pump ing 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 ch...

Страница 53: ... difference between intake and discharge air depends on room air humidity When the room air humidity is relativery higher temperature difference is smaller When the room air humidity is relatively lower tem perature difference is larger 2 Check temperature and pressure of refrigeration cycle Notice 1 The suction pressure is usually 4 0 6 0 kg cm2 G Cooling at normal condition 2 The temperature can...

Страница 54: ...mote controller Compressor will be turned off imme diately Compressor will be turned off imme diately Malfunction indicator The operating state 2 The malfunction indicator of outdoor see the LED01M on the outdoor PCB ass y The cause of malfunction Indoor TH is short or open Temp of Heat sink is over 84 C Comunication error serial comunication DC peak error Running current is overload ed Comp dome ...

Страница 55: ...pairing job pull out the plug out of the outlet and make sure that the lamp on the control board outdoor unit is off The Diagnosis Procedure Check the supplied voltage to product AC 220V 240V 30V Check the connecting cable between Indoor and Outdoor Check the blinking number of operation indicator refer to the self error function Check the self diagnosis table Check the condition of connectors The...

Страница 56: ...Check the voltage of power AC220V AC240V 50Hz The voltage of main power The voltage applied to the unit The connecting method of Indoor Outdoor connecting cable each color The P W B Ass y Fuse Noise Filter Power Transformer Bridge Diode etc Trouble 1 NO YES The operation check of the P C B Ass y Procedure 1 The input voltage of power trans former 2 The output voltage of power transformer 3 IC01D 7...

Страница 57: ... set to the low speed as force Caused by the remote controller Caused by other parts except the remote controller When the mark is displayed in LCD screen replace battery Check the contact of CN DISP 1 2 connector When the detect switch double key inside the remote controller door is fault it is impossible to operate temperature regulating and wind speed selecting Check DISP PWB Ass y Voltage betw...

Страница 58: ...ction or are not engaged Compressor Outdoor fan is stopped Check the related circuit of R02H 12 1K R01H 1K R04H 6 2K R03H 1K C01H 102 C02H 102 Micom pin No 62 63 Check the Indoor temperature sensor is disconnected or not about 10K at 25 C Check the Relay RY PWR for driving Compressor Check the voltage between brown and blue cable of terminal to connect the Outdoor About AC220V 240V Check the relat...

Страница 59: ...ower Check the connection of CN FAN Check the Fan Motor Check the Fuse AC250V T2A Turn on the main power Check the related circuit of indoor Fan Motor The pin No 10 of micom and the part for driving SSR Check the related 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 orange and 3 black of CN FAN ...

Страница 60: ... D Connector Check the soldering condition on PCB of CN U D Connector Check the operating circuit of the vertical louver Confirm that there is DC 12V between pin of CN U D and GND Confirm that there is a soldering short at following terminals Between and of MICOM Between 4 5 6 and 7 of IC01M Between 10 11 12 and 13 of IC01M When the horizontal louver does not operate Trouble 5 If there are no prob...

Страница 61: ... at all Trouble 6 YES Check the connecting state of connector NO NO Is the connection of cable between indoor and outdoor unit right Indoor Outdoor 1 Brown 1 Brown 2 Blue 2 Blue 3 Green YL 3 Green YL 4 Red 4 Red NO YES Is the voltage of CN POWER in out door PCB Ass y about AC220V 240V when Operation s ON Check the Fuse of Outdoor PCB Ass y NO YES Is the voltage of CN AC in outdoor PCB Ass y about ...

Страница 62: ...agram Colors Check the connecting state of connectors in PCB Ass y Main Sub If CN UWV is connected the comprressor can be operated a opposite direction NO YES Is the power module in Sub PCB Ass y right Check the short P N P U V W and N U V W of IPM and then collector emiter of IGBT Replace the Sub PCB Ass y NO YES Is the voltage of CN AC over than AC170V Check the supplied voltage NO YES Is the vo...

Страница 63: ...ge of CN POWER Pin No 1 2 AC220 240V in Main PCB Ass y Electrical wiring diagram Colors Check the connecting state of connectors in outdoor PCB Ass y Main Sub Check the Fuse of outdoor Control Box NO YES Is the voltage of CN AC AC220 240V in SUB PCB Ass y Check the connecting state of connectors in PCB Ass y Main Sub NO YES Is the voltage of CN DC over than DC350V Replace the Sub PCB Ass y NO YES ...

Страница 64: ...line bewteen Indoor and Outdoor Unit Check fuse Noise Filter PTC etc NO YES Is the courrent transformer CT in Main PCB Ass y right Check the PCB pattern resoldering NO YES Is the indoor outdoor fan locked Check the indoor outdoor fan motor NO YES Is the discharge temperature of Indoor unit right 11 C 17 C in the cooling mode Check the compressor NO YES Is the refrigerant pressure right Supply the ...

Страница 65: ...unctions all indoor outdoor unit Malfunctions remocon force test operation mode Malfunctions outdoor unit Stop compressor and outdoor fan motor The operation LED blinks 5 times Communicaion error Malfunctions remote contoller Don t operate the power display module Don t operate the power display module LS _NM NN Series is not included The operation LED blinks twice Enable to receive remote singnal...

Страница 66: ...N GND1 2 CN 4WAY CN FAN CN OLP CN TH CN COMP Condition OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN SHORT OPEN SHORT OPEN SHORT Malfunctions outdoor unit Stop compressor and outdoor fan The operation LED blinks 5 times Malfunctions outdoor unit Stop compressor and outdoor fan The operation LED blinks 5 times Malfunctions PFC inverter circuit Stop compressor and outdoor fan Malfunctions EMI EMS Malfunct...

Страница 67: ... right reserved Only for training and service purposes LGE Internal Use Only Electronic Control Device 1 MAIN PCB ASS Y INDOOR PCB ASS Y SVC PART LIST 6871A20062P LS J0761NL 6871A20062M LS J0962NL 6871A20062N LS L1261NL 6871A20062Q LS L1261NM ...

Страница 68: ... 68 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only PCB ASS Y SVC PART LIST 6870A90048B 18K 6871A10028A LS K18612L ...

Страница 69: ...opyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 MAIN PCB ASS Y OUTDOOR PCB ASS Y SVC PART LIST 6871A20068K 7k 6871A20068H 9k 6871A20068J 12k ...

Страница 70: ... 70 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only PCB ASS Y SVC PART LIST 6870A90053A 18K 6871A20127B LS K18612L ...

Страница 71: ...onics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 SUB PCB ASS Y OUTDOOR PCB ASS Y SVC PART LIST 6871A20013D 7k 6871A20013C 9k 12k PCB ASS Y SVC PART LIST 6871A20013D 7k 6871A20013C 9k 12k ...

Страница 72: ... training and service purposes LGE Internal Use Only PCB ASS Y SVC PART LIST LS _NL Series 6871A30016A 7k 9k 6871A30016B 12k 6871A30016F LS K18612L 4 DISPLAY ASS Y PCB ASS Y SVC PART LIST LS _NM NN Series 6871A20099A 7k 9k 12k PCB ASS Y SVC PART LIST 6870A90019B 18k ...

Страница 73: ...P00 P01 10 9 12 11 P53 P50 Forced 52 51 49 50 P60 Vass Varef 55 56 53 54 TMP87PH40AN OTP TMP87CM40AN MASK P76 P75 P74 P73 6 7 5 4 R L P72 P71 P70 3 2 1 U D Model P65 P64 P63 P62 Up Down 59 58 60 61 P66 P67 Vdd P TH R TH 62 63 64 9 13 11 12 8 4 6 5 IC01M KID65004AP 25V OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OR3H OPTIONS ACCORDING TO MODEL CN DISP2 BL CN DISP1 WH D6 c1 c2 S0 S1 S2 S3 S4 D1 a1 a2 A ...

Страница 74: ...01 1 2 3 4 2 1 3 4 P TH R TH MICOM TMP87CM40AN MASK TMP87PH40AN OTP P77 P00 P76 P75 P74 P73 P72 P71 P70 U D R L P01 P04 P03 P10 P14 P15 P16 P17 Test Reset Xin Xout Vss 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 IC01M KID650004AP UP DOWN STEPPING MOTOR CN D D WH 12V RY PWR SSR MOTOR 1SR139 600 D01K 15K 3W R01K DATA CN POWER IC01K TLP627 5V 680 R06K 5V 1SR...

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Страница 78: ...E Internal Use Only Exploded View and Replacement Parts List 1 Indoor Unit 152313 카오 스 스윙 파워 냉방 운전 정지 풍량 선택 온도 조절 135316 268711A 267110 135311 354210 135314 152302 264110 268711B 266090 249951 263230 W0CZZA 147581A 147581B 146811 346810 359011 352115 352116 342800 131410 733010 352150 159830 35211B ...

Страница 79: ...or training and service purposes LGE Internal Use Only 152313 카오 스 스윙 파워 냉방 운전 정지 풍량 선택 온도 조절 135316 268711A 267110 135311 354210 135314 152302 264110 268711B 249951 263230 W0CZZA 147581A 147581B 146811 346810 359011 352115 352116 342800 131410 733010 352150 35211B ...

Страница 80: ...y for training and service purposes LGE Internal Use Only 카오 스 스윙 파워 냉방 운전 정지 풍량 선택 온도 조절 135316 268711A 267110 135311 354210 135314 152302 264110 268711B 249951 263230 W0CZZA 147581A 147581B 146811 346810 359011 352115 352116 342800 131410 733010 352150 35211B ...

Страница 81: ...training and service purposes LGE Internal Use Only 152313 카오 스 스윙 파워 냉방 운전 정지 풍량 선택 온도 조절 135316 268711A 267110 135311 354210 135314 152302 264110 268711B 266090 249951 263230 W0CZZA 147581 146811 346810 359011 352115 352116 342800 131410 733010 352150 159830 35211B ...

Страница 82: ...ly for training and service purposes LGE Internal Use Only 152313 카오 스 스윙 파워 냉방 운전 정지 풍량 선택 온도 조절 135316 268711A 267110 135311 354210 135314 152302 264110 268711B 249951 263230 W0CZZA 147581 146811 346810 359011 352115 352116 342800 131410 733010 352150 35211B ...

Страница 83: ...d Only for training and service purposes LGE Internal Use Only 카오 스 스윙 파워 냉방 운전 정지 풍량 선택 온도 조절 135316 268711A 267110 135311 354210 135314 152302 264110 268711B 249951 263230 W0CZZA 147581 146811 346810 359011 352115 352116 342800 131410 733010 352150 35211B ...

Страница 84: ...ing and service purposes LGE Internal Use Only 2 Outdoor Unit 437210 559010 349480 546810 349600 554031 435512 435511 552111 437212 430411 435301 437211 447910 554160 550140 552116 561410 552202 552203B 552203A 263230D 268711F 268711G 649950 W0CZZB 263230E 7K 9K 12K Series ...

Страница 85: ...P NO 3828A20061B FEBRUARY 2008 ...

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