LG M2404ER Support and Manuals
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Service Manual - Page 2
...turn off the air conditioner and unplug the power cord.
2. Unplug the power cord and connect a jumper between the jumpered lead and each exposed metallic part on the equipment.
4. PREFACE
1.1 SAFETY PRECAUTIONS 2 1.2 INSULATION RESISTANCE TEST 2 1.3 SPECIFICATIONS 3 1.4 FEATURES 5 1.5 CONTROL LOCATIONS 5
2. PREFACE
This SERVICE MANUAL provides various service information, including the...
Service Manual - Page 3
...
(mm)
656 x 394 x 425
SLEEVE DEPTH
(inch)
20 1/20
WITH FRONT GRILLE
(mm)
521
REMARK LOUVERED-FIN TYPE
OPTIONAL PART
Copyright ©2007 LG Electronics. LGE Internal Use Only 1.3 SPECIFICATIONS
1.3.1 FOR US08B10A, US10B10A, US12B10A
ITEMS
MODELS
US08B10A
US10B10A
US12B10A
POWER SUPPLY
1Ø, 115V,60Hz
CAPACITY
(Btu/h)
8,000
9,800
11,700
INPUT
(W)
830
1,110
1,250...
Service Manual - Page 4
...Only for training and service purposes
-4- All right reserved. LGE Internal Use Only
CONTROL
AIR DIRECTION CONTROL
CONSTRUCTION ...PART
Copyright ©2007 LG Electronics. 1.3.2 FOR US10B30A, US12B30A
ITEMS
MODELS
POWER SUPPLY
COOLING CAPACITY
(Btu/h)
INPUT
(W)
RUNNING CURRENT
(A)
E.E.R.
(Btu/W.h)
OPERATING
INDOOR (°C)
TEMPERA-TURE OUTDOOR (°C)
REFRIGERANT...
Service Manual - Page 5
...: • The fan stops when the compressor stops cooling.
CAUTION
When the air conditioner has been operating in adjustable THERMISTOR and THERMOSTAT. • Washable one-touch filter. • Compact size.
1.5 CONTROL LOCATIONS
1.5.1 COOLING ONLY MODEL • OPERATION
REMOTE CONTROL SIGNAL RECEIVER
TEMPERATURE SETTING
• Use this button, it on and the unit will raise...
Service Manual - Page 6
... service ...manual and on the control box.)
Figure 2 Figure 3
Copyright ©2007 LG Electronics. LGE Internal Use Only Figure 1
2.1.3 CONTROL BOX
1. Discharge the capacitor by referring to the
removal procedure. (See Fig. 3) (Refer to the
removal procedure.
2.1.2 CABINET
1. 2. Open the inlet grille downward. 2. All right reserved.
DISASSEMBLY INSTRUCTIONS
- Re-install...
Service Manual - Page 11
...final charging.
6. b. allow it to set for a while, and then test the... See Fig. 17B. a. Watch the Low-side gauge; Install a valve for training and service purposes
- 11 - CAUTION
If high vacuum equipment is obtained...LG Electronics. Valve B is still closed , stop the vacuum pump.
4) Remove the hose from foaming and being drawn into the pinch-off tool. When replacing refrigeration...
Service Manual - Page 13
... PEFRIGERANT LOW PRESSURE VAPOR
Copyright ©2007 LG Electronics. LGE Internal Use Only Refer to Fig. 18 to follow the refrigeration cycle and the flow of the important components and their functions in the cooling cycle.
Only for training and service purposes
- 13 -
Inc. All right reserved. TROUBLESHOOTING GUIDE
3.1 OUTSIDE DIMENSIONS
20-3/32" (499mm)
24...
Service Manual - Page 14
.... Inc. Check heat load increase. Adjusting of refrigerant charge Malfunction of compressor Replacement of inlet & outlet air ; 18-26°F
Copyright ©2007 LG Electronics. Repair gas leak.
Satisfactory operation with temperature difference of compressor
LGE Internal Use Only 3.3 TROUBLESHOOTING GUIDE
In general, possible trouble is Ineffective Air Conditioning caused by a defect in the...
Service Manual - Page 15
... for training and service purposes
- 15 - Only compressor fails to start. Defective compressor capacitor. Gas leakage at feeler bulb of compressor (Motor damaged)
Copyright ©2007 LG Electronics.
Improper wiring. Replacement of fan motor
Irregular motor resistance ( ) Irregular motor insulation ( )
Replacement of thermostat
Check control switch.
Replacement. Improper wiring
Check...
Service Manual - Page 16
...wiring diagram for training and service purposes
-- 1166-- Check fan motor bearings;
Only for terminal identification. Grommets Fan Turbo fan Loose set screw Worn bearings
REMEDY
Check voltage at outlet. Replace cord if circuit is hitting the base, shim up the bottom of manufacturer's rating. Replace switch if defective. Repair or replace loose terminal.
Check grommets...
Service Manual - Page 17
... to this setting and restart unit. Replace the switch if circuit is high, remove the overload, cool it, and retest.)
ROOM AIR CONDITIONER VOLTAGE LIMITS
NAME PLATE RATING
MINIMUM
115V
103.5V
208/230V
187V
MAXIMUM 126.5V 253V
Copyright ©2007 LG Electronics. Check wire locations. Check the compressor for training and service purposes
- 17...
Service Manual - Page 18
... terminals. Copyright ©2007 LG Electronics. See the limits on overload.
If not within limits, call an electrician. Only for a restriction. If loose, repair or replace. Determine if the unit is hitting air guide, rearrange the air handling parts. Check overload, if externally mounted.
LGE Internal Use Only Check the system for training and service purposes
- 18 - If...
Service Manual - Page 19
...TY PER SET
REMARKS
67300015
1
67303025
1
67300708
1
67301629
1
67500056
1
Copyright ©2007 LG Electronics. DESCRIPTION
264110 POWER CORD 346811 FAN MOTOR W0CZZ CAPACITOR 554160 COMPRESSOR 567502 OVERLOAD PROTECTOR
US08B10A 67300012 67303021 67300710 67301628 67301406
US10B10A 67300012 67303022 67300717 67301619 67301409
PART NO. Inc. Only for training and service purposes
- 19...
Service Manual - Page 20
Inc. Only for training and service purposes
352113
552113
- 20 -
550140
LGE Internal Use Only All right reserved. 5. EXPLODED VIEW
• MODEL: US10B10A, US12B10A, US12B30A
E
152302
135303
147581
147582A
132100
147582B
E
559011 354210
349480
346811 352380
149980
131400
W48602 359012 435300A 435300 435301 554031
349600
147900
130410
A
...
Service Manual - Page 21
Inc. Only for training and service purposes
352113
552113
- 21 - All right reserved. B
554160 550140
LGE Internal Use Only • MODEL: US08B10A / US10B30A
E
152302
135303
147581
147582A
132100
E
559011 354210
349480
147582B
346811 352380
149980
131400
W48602 359012 435300A 435300 435301 554031
A
W6631 268711A 567480
268711B
...
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