LG LV-C362FLA0 Svc Manual

Ceiling & floor type air conditioner

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Ceiling & Floor Type Air Conditioner

SVC MANUAL(Exploded View)

MODEL : LV-C362FLA0

LV-C422FLA0

LV-C482GLA0

LV-C602HLA0

LV-C48BGLA0

LV-C60BHLA0

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

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Summary of Contents for LG LV-C362FLA0

Page 1 Internal Use Only http://biz.lgservice.com Ceiling & Floor Type Air Conditioner SVC MANUAL(Exploded View) MODEL : LV-C362FLA0 LV-C422FLA0 LV-C482GLA0 LV-C602HLA0 LV-C48BGLA0 LV-C60BHLA0 CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.
Page 2: Table Of Contents
Air Purging of the Connecting Pipes and the Indoor Unit..........31 Operation ..........................32 3-way Valve ..........................33 Cycle ............................38 Troubleshooting ........................41 Exploded View ........................43 - 2 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 3: Functions
Auto Operation • The setting temperature, indoor fan speed and desired operation made are automatically set by fuzzy rule. - 3 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 4 : 1, 2, 3, 4, 5, 6, 7hr, Off Timer Airflow Direction Control Fan Operation Mode : Fan Operates without cooling. (Cooling model only) Reset - 4 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 5: Product Specifications (Cooling Only)
Packing Dimension Indoor(W*H*D) inch(mm) 1635/751/293 1635/751/293 1635/751/358 Outdoor(W*H*D) inch(mm) 40.2*34.2*17.3(1020*870*440) 42.1*52.1*19.5(1070*1300*495) 42.1*52.1*19.5(1070*1300*495) Stuffing Quantity With(Without) S/Parts 20/40ft 34/76 22/48 21/45 - 5 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 6 Packing Dimension Indoor(W*H*D) inch(mm) 1635/751/378 1635/751/358 1635/751/378 Outdoor(W*H*D) inch(mm) 42.1*52.1*19.5(1070*1300*495) 42.1*52.1*19.5(1070*1300*495) 42.1*52.1*19.5(1070*1300*495) Stuffing Quantity With(Without) S/Parts 20/40ft 21/44 21/45 21/44 - 6 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 7: Dimensions
(1) Indoor Unit Dimension Capacity 36K BTU/h 1550 1362 42K BTU/h 1550 1362 48K BTU/h 1550 1362 60K BTU/h 1550 1362 - 7 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 8 (2) Outdoor Unit (36K) (42K/48K/60K) MODEL W(mm) H(mm) 1,220 1,220 1,220 D(mm) - 8 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 9: Refrigeration Cycle Diagram
Refrigeration Cycle Diagram • COOLING ONLY (LV-C362FLA0, LV-C422FLA0, LV-C482GLA0, LV-C602HLA0, LV-C48BGLA0, LV-C60BHLA0) INDOOR UNIT OUTDOOR UNIT LIQUID SIDE CAPILLARY TUBE HEAT HEAT EXCHANGER EXCHANGER (CONDENSER) (CONDENSER) COMPRESSOR GAS SIDE *Additional Pipe size(Diameter: ø) Piping length(m) Elevation(m) MODEL refrigerant Liquid Rated Max.
Page 10: Wiring Diagram
SOCKET SOCKET BLOWER Ground MOTOR 1(L) 2(N) White Wire Run Cap. Brown Wire POWER SUPPLY COMP(A) COMP(B) 1Ø,220V,60Hz~ 3854A20135S - 10 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 11 GN/YL TERMINAL BLOWER Ground BLOCK MOTOR White Wire Run Cap. Brown Wire T1 T2 T3 MOTOR MOTOR COMP. 3854A20026J - 11 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 12 YL BK YL BK Ground BLOWER MOTOR White Wire 49FMo 49FMo (T1) (T2) Run Cap. (T3) Brown Wire GN/YL 3854A20119T - 12 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 13: Operation Details
More than More than 3 minutes 3 minutes Selecting Selecting Selecting INDOOR FAN fan speed fan speed fan speed COMPRESSOR - 13 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 14 30°C 30°C Intake-Air temp Setting Temp. +0.5°C (Compressor OFF) Setting Temp.-0.5°C (Compressor ON) Fuzzy Speed Indoor Fan Compressor - 14 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 15 : LOW : COMP ON : COMP OFF GRAPH of Natural wind by the CHAOS logis (During Cooling operation) - 15 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 16 • If no input by the remote controller or no switching of the slide switch within 7 hr after the appliance operates by the Auto Restarting operation, the appliance is forced to stop at the moment of 7-hr elapse. - 16 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 17 For normal operation after checking by test mode, you should press SW1 nine times for resetting or reconnect the power cord. - 17 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 18: Installation Of Indoor, Outdoor Unit
• Capacity is based on standard length and maximun allowance length is on the basis of reliability. • Improper refrigerant charge may result in abnormal cycle. - 18 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 19 • A place where the unit can withstand its vibration. Suspension bolts • A place where service can be easily performed. Spring washer Max. 12mm Washer - 19 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 20 Step1: Remove screw Step1 Step2: Lift side-panel upward slightly Step3: To move side panel along arrow as shown. Step2 Step3 - 20 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 21 Side of view • The unit must be declined to the bottomside of the unit when finished installation. Ceiling - 21 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 22 • Gas leakage ....Is the piping connection correctly? • Wiring ......Is the wiring connection correctly? • Lock-bolt......Is the lock-bolt of compressor loosened? - 22 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 23 Above 30Cm Above 50Cm Above 70Cm Keep a maintenance space Face of wall - 23 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 24 Control terminal board the earthing terminal provided in the control box and do earthing. Please check !! Cord clamper Cover control - 24 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 25: Connecting Pipes To The Indoor Unit
= Improper flaring = Inclined Surface Cracked Uneven damaged thickness Even length all round - 25 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 26 (Nitrogen gas: Supply pressure 0.05~0.1kg/cm b. When supplying inert gas, be sure to open one end of piping. Water enters Plaster enters - 26 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 27: Connecting Pipes To The Outdoor Unit
• Spray one or two glasses of water upon the evaporator. • Ensure that water flows drain hose of indoor unit without any leakage. - 27 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 28: Connecting Cables Between Indoor Unit And Outdoor Unit
If the supply cord is damaged, it must be replaced by a special cord or assembly availible from the manufacturer of its service agent. - 28 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 29 • Vibration of a magnetic switch, damage on the contact point there of, fuse breaking, disturbance to the normal func- tion of a overload protection device. • Proper starting power is not given to the compressor. - 29 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 31: Air Purging Of The Connecting Pipes And The Indoor Unit
Liquid side Indoor unit Closed Outdoor unit 2-way valve/ 3-way valve Gas side 3-way valve Closed Vaccum pump OPEN CLOSE - 31 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 32: Operation
ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature. RESET BUTTON Used prior to resetting time or after replacing batteries. - 32 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 33: 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. - 33 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 34 – Close the valve on the gas cylinder and discharge the refrigerant until the gauge indicates 3 to 5 kg/cm - 34 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 35 – Discharge the refrigerant gradually; if it is discharged too suddenly, the refrigeration oil will also be discharged. - 35 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 36 (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. - 36 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 38: Cycle
(9) Open the liquid side completely first and then the pipe connection is ok or not. gas side fully in order. - 38 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 39 (5) After the needle of gage indicates below 0 kgf/cm , close the valve of gas side quickly and turn off the power. - 39 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 41: Troubleshooting
8. Indoor up-down louver Handset control Change function will not function Faulty stepping motor Replace Connector plug Replace or repair - 41 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 42 Faulty indoor sensor Replace PCB faulty Replace Indoor fan not working Replace Low gas charge Replace Add gas and leak test - 42 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 43: Exploded View
148000A 132100A 132100B 249310 359012A 145200 W48300 147581A 147590 359012B 147582 336610 147581B 330871 235450 346810 268711 152302 135303 - 43 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 44 146811 132100A 148000A 132100B 249310 359012 145200 W48300 147581A 147590 147582 147581B 336610 235450 330871 346810 268711 152302 135303 - 44 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 45 148000B 146811 132100A 148000A 132100B 249310 359012 145200 W48300 147581A 147590 147582 147581B 336610 330871 346810 268711 152302 135303 - 45 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 47 5. Outdoor Unit • Models: LV-C422FLA0, LV-C482GLA0, LV-C602HLA0, LV-C48BGLA0, LV-C60BHLA0 - 47 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 48 6. Outdoor Unit • Models: LV-C422FLA0, LV-C482GLA0, LV-C602HLA0, LV-C48BGLA0, LV-C60BHLA0 - 48 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 49 February, 2008 P/NO : 3828A20172X...

This manual is also suitable for:

Lv-c422fla0 Lv-c482gla0 Lv-c602hla0 Lv-c48bgla0 Lv-c60bhla0

LG LV-C362FLA0 Svc Manual

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