LG LP-K3063ZA Manual

Floor standing air conditioner exploded view

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Floor Standing Air Conditioner

SVC MANUAL(Exploded View)

MODEL : LP-K Series

CAUTION

Before Servicing the unit, read the safety precautions in General SVC manual.

Only for authorized service personnel.

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Page 1 Internal Use Only http://biz.lgservice.com Floor Standing Air Conditioner SVC MANUAL(Exploded View) MODEL : LP-K Series CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.
Page 2: Table Of Contents
Installation of Indoor, Outdoor Unit Test Running 3-way Valve Cycle Troubleshooting Guide Electronic Parts Troubleshooting Guide Electronic Control Device Schematic Diagram Exploded View - 2 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 3: Functions
• Used to circulate room air without cooling. AutoRestart • The power comes on again after a power failure. - 3 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 4: Remote Control
Room Temperature Control • Up: up to 30°C • Down: down to 16°C Indoor Fan speed control • High, Low - 4 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 5 Sensing Heat Exchanger Temperature • Heat exchanger temperature sensor (Thermistor) Sensing Discharge Pressure For Compressor • Discharge pressure sensor (High Pressure Switch) - 5 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 6: Product Specifications
12.59(320) INDOOR Ib(kg) 88.18(40) 88.18(40) NET WEIGHT OUTDOOR Ib(kg) 143.2(65) 143.2(65) LIQUID inch(mm) 3/8"(Ø9.52) 3/8"(Ø9.52) CONNECTIONS inch(mm) 5/8"(Ø15.88) 5/8"(Ø15.88) - 6 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 7: Cooling Only Model
NET WEIGHT OUTDOOR Ib(kg) 138.6(63) 138.6(63) 138.6(63) 147.7(67) LIQUID inch(mm) 1/4"(Ø6.35) 3/8"(Ø9.52) 3/8"(Ø9.52) 3/8"(Ø9.52) CONNECTIONS inch(mm) 5/8"(Ø15.88) 5/8"(Ø15.88) 5/8"(Ø15.88) 5/8"(Ø15.88) - 7 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 8: Dimensions
CHECK VALVE CAPILLARY TUBE BY PATH CAPILLARY TUBE HEAT HEAT EXCHANGER EXCHANGER GAS SIDE REVERSING VALVE COOLING COMPRESSOR HEATING - 8 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 9: Wiring Diagram
REVERSING POWER VALVE RELAY L3 L2 L1 SUMP HEATER TERMINAL BLOCK TERMINAL BLOCK POWER TO INDOOR UNIT 3854AP2708X INPUT - 9 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 10: Indoor Unit
250V 250V 1 2 3 4 5 6 BK RD Tmo2 Tmo1 A/CL POWER SUPPLY ø , 220V, 60Hz - 10 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 11 BLACK BK RD BROWN ORANGE A/CL WHITE (AIR CLEANER YELLOW UNIT MODEL GN/YL:GREEN/YELLOW ONLY) P/No.; 3854A20172D : OPTIONAL PARTS - 11 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 12: Operation Details
', the Off-Timer function will be cancelled. - During Off-Timer Operation, if you repress the timer set button, the rest time will be displayed. - 12 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 13: Heating Mode Operation
< 39°C ≥ 39°C Selecting speed 28 C Selecting speed 28 C > 34°C ≤ 34°C 26 C 26 C - 13 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 14 Selecting Fan Speed(III) (Hot-Start Operating) Step Indoor fan speed Pipe temp. ≤22°C(Hot start operating) ≥22°C ≥C°C Selecting speed ≤D°C ≤20°C - 14 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 15 Defrost Outdoor Pipe Temp. Defrost 12°C (Defrost OFF) -6°C (Defrost ON) HOT- START Indoor Fan Compressor 4-Way Valve - 15 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 16 ❈ During this function is operating, any buttons of Display Panel don't work. But it is possible to operate with Remote controller. - 16 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 17 In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions. - 17 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 18 - After 18 ± 1 minutes of operation, it becomes off itself. - During the operation, signal 8 8 8 8 stands for "L L o o " - 18 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 19: Installation Of Indoor, Outdoor Unit
Elevation Length B (m) GAS SIDE LIQUID SIDE A (m) Outdoor unit 5/8" 1/4" 5/8" 3/8" 28K/30K 5/8" 3/8" - 19 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 20: Indoor Unit Installation
More than 15mm Insert the plastic tube through the hole. Cut the extruded outside part of the plastic tube, if necessary. - 20 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 21: Installation Method
(Before the operating the unit) (Heat pump only) Cooling operation, Heating operation (Use the remote control or display of the indoor unit) - 21 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 22: Preparation Of Installation Parts And Tools
To connect the cable from outdoor unit to indoor unit Drain hose sockets, elbows To remote the condensing water - 22 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 23: Preparation Of Piping
Cone Copper pipe Clamp handle Red arrow mark = Improper flaring = Inclined Surface Cracked Uneven damaged thickness - 23 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 24: Connection Of Piping
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)` (Fig. 2) - 24 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 25 Open the inlet grille manually. Connet the supplied cables to the connector on the control board. Close the inlet grille. Knock-out holes - 25 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 26 • This product should be grounded. • Defective grounding could cause an electric shock. 28K/30K/40K CLAMP (Ø10.7) POWER SUPPLY TO INDOOR UNIT CONNECTOR - 26 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 27: Power Supply And Wiring
Use the power supply cord(Rubber insulation, type Ho7RNF approved by HAR or SAA) suit- able for the product's electriccal capacity. - 27 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 28: Checking The Drainage
• Pour a glass of water into the drain pan. • Ensure if water flows drain hose of indoor unit. - 28 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 29: Form The Piping
Hose(inner diameter ø20) do not use the drain elbow. Arrange the hose downward slope without waving. - 29 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 30: Test Running
2. Ensure the difference between the intake temperature and the discharge one is more than 8°C (Cooling) or reversely (Heating). - 30 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 31: Hand Over
HAND OVER Teach the customer the operation and maintenance procedures, using the operation manual (air filter cleaning, temperature control, etc.). - 31 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 32: 3-Way Valve
– 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. - 32 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 33 – Close the valve on the gas cylinder and discharge the refrigerant until the gauge indicates 3 to 5 kg/cm - 33 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 34 – Discharge the refrigerant gradually; if it is discharged too suddenly, the refrigeration oil will also be discharged. - 34 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 35 (4) Disconnect the charge hose from the vacuum pump. – Vacuum pump oil. If the vacuum pump oil becomes dir ty or depleted, replenish as needed. - 35 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 36: Gas Charging
1 minute and then repeat the procedure (pumping down-pin). - 36 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 37 - Use a torque wrench to tighten the service port nut. approximately 1 minute and then repeat the - Be sure to check gas leakage. procedure (pumping down-pin). - 37 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 38: Cycle Troubleshooting Guide
2. The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty. - 38 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 39: Electronic Parts Troubleshooting Guide
Is IC03M operated Exchange IC03M normally? Is the each Relay Exchange Relay any problem? Check the fan motor and connector. (CN-MOTOR) - 39 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 40 COIL) Is the AC220V (AC 240 V) between connector(CN-outunit) Replacement RY-COMP and of Main P.C.B Check the wiring diagram. - 40 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 41 Is the AC220V (AC 240 V) between Replacement RY-HEATER connector(HEATER) and CN-outunit of Main P.C.B Check the heater wiring - 41 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 42: Electronic Control Device
Electronic control device • MAIN P.C.B ASM • TELE CONTROL PCB ASM • DISPLAY P.C.B ASM - 42 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 44: Exploded View
1. Indoor Unit 135310 147582 146812 147581A 137211 268711A Plasma Model 159830 235512 237202 135314 152302 267110 Plasma Model 150170 266090 - 44 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 45 268711B 263230 W0CZZA 352150 330870 130411 site http ://w http ://w rvic e.co rvic e.co m/te chsu p.ht 354212 - 45 - Copyright ©2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 48 MAY, 2008 P/NO : 3828A20156A...

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