LG LP-K Series Скачать руководство пользователя страница 28 | Manualshive

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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

■

Checking the Drainage and Form the Piping

1. Checking the Drainage

Remove the inlet grille with your hands as
shown (right and left) and pull in the direction
indicated by the arrow.

Check the drainage

• Pour a glass of water into the drain pan.
• Ensure if water flows drain hose of indoor unit.

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Содержание LP-K Series

Страница 1: ...r Conditioner SVC MANUAL Exploded View 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 MODEL LP K Series ...

Страница 2: ...2 Installation of Indoor Outdoor Unit 19 Test Running 30 3 way Valve 32 Cycle Troubleshooting Guide 38 Electronic Parts Troubleshooting Guide 39 Electronic Control Device 42 Schematic Diagram 43 Exploded View 44 2 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 3: ...de Time Delay Safety Control Fan Operation AutoRestart Cooling Heating Soft Dry Fan High Low Speed Cooling operates super high fan speed in cooling mode Cooling Mode only Maintains the room temperature in accordance with the Setting Temp Up up to 30 C Down down to 16 C Heat exchanger temperature sensor Thermistor Intermittent operation of fan at low speed Restarting is inhibited for approx 3 minut...

Страница 4: ...ng OFF Timer 1 2 3 7 hour Speed cooling operates super high fan speed in cooling mode Airflow direction Auto swing and Manual Contol Up up to 30 C Down down to 16 C High Low Remote Control Operation ON OFF Cooling Operation Mode Heating Operation Mode Sot Dry Operation Mode Fan Operation Timer Control Jet Cool Energy Saving Airflow Direction Control Room Temperature Control Indoor Fan speed contro...

Страница 5: ...ervice purposes LGE Internal Use Only Outdoor Unit Deice Control Outdoor Fan Speed Control Sensing Heat Exchanger Temperature Sensing Discharge Pressure For Compressor De ice PCB One speed Heat exchanger temperature sensor Thermistor Discharge pressure sensor High Pressure Switch ...

Страница 6: ...EIGHT inch mm DEPTH WIDTH OUTDOOR HEIGHT inch mm DEPTH NET WEIGHT INDOOR Ib kg OUTDOOR Ib kg CONNECTIONS LIQUID inch mm GAS inch mm 1 220 240 50 27 800 27 800 2kw 2 750 2 450 12 5 11 2 H23B33SABHA BRISTOL RECIPRO 28 300 2 76 76 48 58 670 19 2 225 63 88 1 2 5 3 22 18 2 30 16 SIROCO PROPELLER MICOM CONTROL 19 68 500 70 86 1800 12 59 320 34 25 870 31 49 800 12 59 320 88 18 40 143 2 65 3 8 Ø9 52 5 8 Ø...

Страница 7: ...55 1 56 2 22 18 2 24 18 SIROCO PROPELLER MICOM CONTROL 19 68 500 70 86 1800 12 59 320 34 25 870 25 78 655 12 59 320 88 18 40 138 6 63 1 4 Ø6 35 5 8 Ø15 88 1 220 60 27 800 3 400 16 AWG5532EXN TECUMSHE RECIPRO 31 500 3 3 90 48 58 670 19 2 046 58 63 5 1 8 3 22 18 2 24 18 SIROCO PROPELLER MICOM CONTROL 19 68 500 70 86 1800 12 59 320 34 25 870 25 78 655 12 59 320 88 18 40 138 6 63 3 8 Ø9 52 5 8 Ø15 88 ...

Страница 8: ... Indoor Unit Air Outlet Vent Remote Signal Receptor Air Inlet Vent Air Intake Vent Rear Air Outlet Vent INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGER HEAT EXCHANGER COMPRESSOR GAS SIDE LIQUID SIDE COOLING HEATING REVERSING VALVE CHECK VALVE CAPILLARY TUBE CAPILLARY TUBE BY PATH CAPILLARY TUBE Outdoor Unit Refrigeration Cycle Diagram ...

Страница 9: ...OOR S W BK WH RD HVB ASM CN1 EVAP TH ROOM TH CN1 A CL UNIT RY BIMETAL RY BIMETAL RY BIMETAL ELECTRIC HEATER RY BIMETAL RY BIMETAL POWER SUPPLY POWER RELAY T B1 T B2 SUMP HEATER COMP FAN MOTOR BR BK BR BR BL BL BL BR WH OR OR RD BL C S R BK BK BL GN YL WH BL YL HIGH PRESS SWITCH REVERSING VALVE BK BK CAPACITOR CAPACITOR YL BK BK BK BR RD BL BL GN YL YL BR BR PIPE TH L1 L3 L2 4 2 8 6 1 0 FUSE 250V 5...

Страница 10: ... BL TERMINAL BLOCK 6P 1 F1 F2 2 3 4 GN YL 5 6 BK BL BL BK BK BR C R S RD BL OR YL 2 6 4 8 0 1 CAPACITOR FAN MOTOR NOTE BL BK BR RD OR WH YL GN YL GREEN YELLOW OPTIONAL PARTS BLUE BLACK BROWN RED ORANGE WHITE YELLOW CA AIR CLEANER MODEL ONLY 3 4 5 6 DISPLAY PCB ASM HVB ASM A CL ASM RY S HIGH OR BR YL GN YL Ci WH BK BL RD RY COMP RY SYNC 250V 3 15A SM Fan Motor CM EVAP TH RY HIGH RY MID RY LD CN DIS...

Страница 11: ...OTOR NOTE BL BK BR RD OR WH YL GN YL GREEN YELLOW OPTIONAL PARTS BLUE BLACK BROWN RED ORANGE WHITE YELLOW L1 L2 L3 HIGH PRESS SWITCH T B2 REVERSING VALVE DEICER P C B OR BK HA AIR CLEANER MODEL ONLY 3 4 5 6 T B1 INDOOR UNIT OUTDOOR UNIT DISPLAY PCB ASM MAIN PCB ASM RY S HIGH RY AIRC BK CN DISP 1 CN1 ROOM TH DOOR S W BK RD BK WH RD HVB ASM A CL UNIT OR BR YL Cr WH BK BL RD GN YL RY COMP RY SYNC 250...

Страница 12: ...nd right automatically Remote controller 3rd Repress the Airflow Direction Control Button to set the louver as the desired position Remote controller 3 Cooling Mode Operation When selecting the Cooling Mode Operation the unit will operate according to the setting by the controller and the operation diagram is as following Intake Air temp Setting Temp 1 C Compressor ON Setting Temp 1 C Compressor O...

Страница 13: ...OW Setting Temp 1 C Compressor OFF Selecting fan speed Selecting fan speed A point The indoor pipe temperature to be less then 35 C Discharge air Temperature to be less than 29 C The indoor fan operates for minimum 10sec even if falls lower than 34 C Low V Stop VI 39 C Discharge Air Temp Indoor Pipe Temp 34 C 28 C 26 C Selecting Fan Speed IV Low II Stop I Hot Start Operating Heating Start Hot Star...

Страница 14: ...FF Selecting fan speed Selecting fan speed A point The indoor pipe temperature to be less than B C The indoor fan operates for minimum 10sec even if the indoor pipe temperature falls lower than B C Low V Stop VI C C Indoor Pipe Temp D C 22 C 20 C Selecting Fan Speed IV Low II Stop I Hot Start Operating Heating Start Hot Start Release Point Selecting Fan Speed III During heating operation the opera...

Страница 15: ... 45 minutes passed from starting of heating operation and more than Defrost ends after 10 minutes pass from starting of defrost operation or when the outdoor pipe temperature rises over 12 C even if before 10 minutes The second defrost starts only when the outdoor pipe temperature falls below 6 C after 45 minutes pass from ending of the first defrost and more than INDOOR PIPE TEMP INDOOR FAN SPEED...

Страница 16: ...sor ON temperature is the setting temperature plus 2 C the compressor OFF temperature is the setting temperature minus 1 C When the room temperature rises over the compressor ON temperature the operation mode is switched to the Cool ing mode When the room temperature falls between the compressor ON temperature and OFF temperature the operation mode is switched to the Soft Dry Operation The operati...

Страница 17: ...Fan speed on Cooling mode set up to 18 C During the operation when it stops and runs again setting up is high fan speed on cooling mode set up to 18 C 14 Energy Saving If setting temperature of starting energy saving operation is under 22 C first setting temperature it up to 22 C and perform energy saving operation After energy saving operation starts if adaptation time of the human body pass from...

Страница 18: ...be set to 23 C b 21 C Room temperature 25 C to be set to 26 C c 26 C Room temperature 28 C to be set to 1 C more than room temperature d 29 C Room temperature to be set to 30 C 17 Function for test operation 1 Outline of Operation This is for checking the condition of installation during the installation and it is operated by cooling Fan speed is high comp on and Auto air flow operations without s...

Страница 19: ...over the unit to prevent direct sunlight or rain exposure be careful that heat radiation from the condenser is not restricted There should not be any animals or plants which could be affected by discharged hot air Ensure the space indicated by arrows from the wall ceiling fence or other obstacles 19 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Int...

Страница 20: ...ly and horizontally by securing it with bolts Ø12mm and nuts If there is any vibration transmitted to the build ing mount the rubber underneath the outdoor unit 4 Refrigerant amount Before shipment this air conditioner is filled with the rated amount of refrigerant including additional amount required for air purging subject to 5m pip ing length The rated amount of refrigerant is indi cated on the...

Страница 21: ...ighten the flare nut indoor Connecting the pipings of the indoor unit 8 Check a gas leakage of the connecting part of the pipings 9 Air purging of the piping and indoor unit The air which contains moisture and which remains in the refrigeration cycle may cause a malfunction on the compressor 10 Open the 3 way liquid side and 3 way gas side valves 11 Form the pipings To prevent heat loss and sweat ...

Страница 22: ...balance To measure the refrigerant amount 11 Refrigerant Vessel Refrigerant R 22 Gas charge Air purge Cleaning the pipe 12 Spanner To tighten the connecting parts of the pipings 13 Monkey spanner 14 Driver 15 Pliers 150mm Cutting the wires 16 Tapeline To measure the length 17 Core drill To make holes through the concrete wall and blocks 18 Voltmeter Amperemeter Clampmeter To measure the current an...

Страница 23: ...f burrs are not removed they may cause a gas leakage Flaring the pipes Insert the flare nuts mounted on the connection ports of both indoor and outdoor unit onto the copper pipes Some refrigerant gas may leak when the flare nuts are removed from the indoor unit as some gas is charged to prevent the inside of the pipe from rusting Fit the copper pipe end into the Bar of flare tool about 0 0 5mm hig...

Страница 24: ...adius R should not exceed 70mm Refer to Fig 1 Do not repeat the bending process to prevent the tubing from cracking or crushing Keep in mind that the bending part should not be cracked and make the radius R as long as possi ble Refer to Fig 2 PIPE SIZE TORQUE 3 8 4 2 Kg m 1 2 5 5 Kg m 5 8 5 5 Kg m 3 4 6 5 Kg m Indoor unit tubing Flare nut Pipings Torque wrench Spanner Spring R70mm Fig 1 Fig 2 R 2 ...

Страница 25: ...onnecting the Cable to Indoor Unit In order to protect cable it should be inserted Bushing Rubber The inside and outside connecting cable can be connected after opening the inlet grille Knock out holes Open the inlet grille manually Connet the supplied cables to the connector on the control board Close the inlet grille ...

Страница 26: ... torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench 2 Connecting cable to outdoor unit Open the control board cover from the outdoor unit by removing the screws Connect wires to the terminals on the control board individually and secure the cables onto the control board with clamp Connecting Pip...

Страница 27: ...iscon nect all supply lines must be fitted for service operations The screws which fasten the wiring in the cas ing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires See to it that the starting vol...

Страница 28: ...nternal Use Only Checking the Drainage and Form the Piping 1 Checking the Drainage Remove the inlet grille with your hands as shown right and left and pull in the direction indicated by the arrow Check the drainage Pour a glass of water into the drain pan Ensure if water flows drain hose of indoor unit ...

Страница 29: ...p In order to prevent water from entering the room tape the piping from a trap Fix the piping onto the wall with saddle or bracket When using the drain elbow hose use a mount of 3cm of higher In the cold district 0 c continued for 2 3 days the drain water is frozen and the fan fails to function do not use the drain elbow In case the outdoor unit is installed below position of the indoor unit In ca...

Страница 30: ...volume voltage current presence of abnormal vibration and noise operating pressure piping temperature compressive pressure As to the structure and appearance check following items 2 Connection of power supply 1 Connect the power supply cord to the independent power supply Circuit breaker is required 2 Operate the unit for fifteen minutes or more 3 Evaluation of the performance 1 Measure the temper...

Страница 31: ...ened If they are loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the relation between cable l...

Страница 32: ...charge hose 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 liquid side valve to the closed position 6 Operate the air conditioner in cooling mode 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 ind...

Страница 33: ...s After purging the air use a torque wrench to tighten the flare nut on liquid side 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 discharge the refrigerant until the gauge indicates 3 to 5 kg cm2 g 6 Disconnect the charge set and the gas cylinder and set the 2 way and 3 way valves to the open position B...

Страница 34: ...rvice 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 running 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 necessary to apply a evacuatin Discharge the refrig...

Страница 35: ...rm that 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 V...

Страница 36: ...rant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle however one time is not sufficient 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 discharged If the system has been char...

Страница 37: ...e on the charge set and charge the system with liquid refrigerant If the system can not be charged with the specified amount of refrigerant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconne...

Страница 38: ...ature 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 temperature difference is larger 2 Check temperature and pressure of refrigeration cycle Notice 1 The suction pressure is usually 4 5 6 0 kg cm2 G at normal condition 2 The temperature can be ...

Страница 39: ...diagram Is the output voltage of IC01D DC12V Is the PIN 55 64 of MICOM DC5V Exchange MICOM YES NO Check the main P C B pattern NO NO Check the D02D D05D NO YES Exchange the transformer Is shorted the transformer output NO YES Is the output voltage of IC03D DC5V NO Exchange IC01D Exchange IC03D Is the output voltage of transformer about AC14V Check the 5V P C B pattern Possible Trouble 2 The indoor...

Страница 40: ... temp Set temp Is the DC5V at 14 pin of terminal MICOM Is the DC5V at 18 pin of terminal MICOM Is the DC12V at each terminal RY 4WAY COIL Isthe AC220V AC240V between connector 4WAY andCN outunit of Main P C B Is the DC12V at each terminal RY COMP COIL Replacement RY 4WAY Replacement IC02M Replacement RY COMP IstheAC220V AC240V betweenconnector CN outunit and ofMain P C B Check the wiring diagram R...

Страница 41: ...g operating Is the Compressor operating Is the Heat S W of Main PCB ON Heat S W ON Heater S W ON Replacement MICOM Replacement IC02M Replacement RY HEATER Is the heater S W of Main PCB ON Is the DC 5V at 15 pin of MICOM Is the DC 12V at eack terminal RY HEATER COIL Isthe AC220V AC240V between connector HEATER andCN outunit of MainP C B Check the heater wiring Select the heating operation mode Comp...

Страница 42: ... 42 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Electronic control device MAIN P C B ASM TELE CONTROL PCB ASM DISPLAY P C B ASM ...

Страница 43: ... 43 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Schematic Diagram ...

Страница 44: ...nc All right reserved Only for training and service purposes LGE Internal Use Only Exploded View 1 Indoor Unit 135310 147581A 147582 146812 137211 135314 237202 266090 152302 159830 Plasma Model Plasma Model 267110 235512 150170 268711A ...

Страница 45: ... reserved Only for training and service purposes LGE Internal Use Only 749750 135515 336610 359011 346810 249951 263230 268711B 354212 130411 330870 W0CZZA 352150 330860 websi te http www LGEs ervice com e mail http www LGEs ervice com t echsup html ...

Страница 46: ...y for training and service purposes LGE Internal Use Only 2 Outdoor Unit C S R 435512 437210 349480 447910 559010 546810 349600 W0CZZC W0CZZB 268711 W6640 W6920 649950 554031 137213A 567480 435300 137213B 435511 552203A 552203B 552202 566000 554160 430411 435301 ...

Страница 47: ...training and service purposes LGE Internal Use Only C S R 435512 437210 349480 447910 559010 546810 349600 W0CZZC W0CZZB 268711 W6640 W6920 649950 554031 567480 437212 435511 552203A 552203B 552202 566000 554160 430411 435301 2 Outdoor Unit LP K3063CL CA LP K3023CL CA ...

Страница 48: ...P NO 3828A20156A MAY 2008 ...

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