LG LWHD1800HR Support and Manuals
Get Help and Manuals for this LG item
View All Support Options Below
Free LG LWHD1800HR manuals!
Problems with LG LWHD1800HR?
Ask a Question
Free LG LWHD1800HR manuals!
Problems with LG LWHD1800HR?
Ask a Question
Popular LG LWHD1800HR Manual Pages
Service Manual - Page 1
website http://www.lgservice.com
LG
LG Room Air Conditioner
SERVICE MANUAL
MODEL: LWHD1800HR, LWHD2400HR LWHD1807HR, LWHD2400HRY7
CAUTION
• BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
Service Manual - Page 2
... Requirements...10 Cabinet Installation...11 Operation ...13 Disassembly instructions...14 Mechanical parts ...14 Air Handling Parts ...15 Electrical Parts ...16 Refrigeration cycle ...19 Schematic Diagram...22 Troubleshooting guide...23 Piping System ...23 Troubleshooting guide ...24 Room Air Conditioner Voltage Limits...26 Exploded View...28 Replacement Parts List ...29
2 Room Air Conditioner
Service Manual - Page 5
...) mm(inch)
LWHD1800HR
660 (26) 428 (16 27/32) 675 (26 9/16)
LWHD2400HR
660 (26) 428 (16 27/32) 770 (30 5/16)
Service Manual 5 Dimensions
Symbols Used in this Manual
This symbol alerts you to hazards that could cause harm to the risk of electric shock. This symbol alerts you to the air conditioner.
NOTICE This symbol...
Service Manual - Page 6
...
660 X 428 X 770
* DB:Dry Bulb ** WB:Wet Bulb NOTE: Please refer to Label Quality on the produst since this specification may be changed for improving performance.
6 Room Air Conditioner Specfications
Product Specifications
ITEMS
MODELS
LWHD1800HR
LWHD2400HR
POWER SUPPLY
1Ø, 208/230V, 60Hz
1Ø, 208/230V, 60Hz
COOLING CAPACITY
(Btu/h)
17,500/18,000
23,00...
Service Manual - Page 7
...
660 X 428 X 770
* DB:Dry Bulb ** WB:Wet Bulb NOTE: Please refer to Label Quality on the produst since this specification may be changed for improving performance.
7 Room Air Conditioner Specfications
Product Specifications
ITEMS
MODELS
LWHD1807HR
LWHD2400HRY7
POWER SUPPLY
1Ø, 208/230V, 60Hz
1Ø, 208/230V, 60Hz
COOLING CAPACITY
(Btu/h)
17,500/18,000
23...
Service Manual - Page 9
... Kits Contents (some models including installation kit)
Top retainer bar
Foam-PE (Adhesive-Backed)
Foam strip
Foam-PE
(Plain-Back) (Adhesive-Backed)
Left frame curtain
Frame guide(2) Window locking bracket
Sill bracket(2)
Support bracket(2)
Right frame curtain
Type A (14)
Type B (7)
Type C (5)
Type D (2) Carriage Bolt (2) Lock Nut (4)
9 Room Air Conditioner The stool offset...
Service Manual - Page 12
...(See Fig. 14)
12.
Window installation of the cabinet. Figure 14
Figure 15
Installation
Screw(Type C)
Power Cord Screw (Type A) Foam-Strip
Window locking bracket
Service Manual 12 Cut the Foam-strip to the... at cabinet's sides.
8. Slide the unit into the tabs on the front of room air conditioner is now completed. Attach each window sash track, and pull the bottom window sash down ...
Service Manual - Page 15
... terminals carefully(See Fig. 20). 5. Re-install the components by referring to section 4) 2. ...Air handling parts
4.
Remove the Heater Cover.(See Fig. 20) 7. Remove the orifice from the air guide carefully. (See Fig. 21) 8. Figure 19
5. Remove the clamp which fasten the Heater Cover.
(See Fig. 20) 6. Figure 20 Figure 21
Disassembly
15 Room Air Conditioner
Figure 22 Re-install...
Service Manual - Page 17
...all the leads of this appliance is damaged, it must be replaced by referring to section 10)
3. Remove a screw which ...specification marked on the supply cord fitted to section 3) 2. Unfold the control box. (Refer to the removal
procedure above. (See Figure 30)
17 Room Air Conditioner
Figure 29
Disassembly Remove the control box. (Refer to the removal procedure, above . 10. Re-install...
Service Manual - Page 24
... circuit.
Unit runs but poor cooling. Adjusting of air filter. Dirty indoor coil (Heat exchanger)
Malfunction of fan Clogged of refrigerant charged. Replacement of unit if the unit is classified in the refrigeration circuit and improper application.
Troubleshooting Guide
Troubleshooting Guide
In general, possible trouble is beyond repair. The one is called Starting Failure which is...
Service Manual - Page 25
... voltage.
Improper thermostat setting. Loose terminal connection. Irregular motor resistance ( ). Irregular motor insulation ( ). Irregular motor resistance ( )
Irregular motor insulation ( )
Replacement of rotor, metal).
Fan only fails to start .
Improper wiring.
Replacement of compressor (locking of compressor (Motor damaged)
25 Room Air Conditioner
Regular but fails to...
Service Manual - Page 26
... voltage. Check for identification, and replace. Replace cord if circuit is open. Replace switch if defective.
Repair or replace loose terminal.
Fan blade hitting shroud or blower wheel hitting scroll. Pay attention to any change , replace the motor. Tighten it . If not within limits, call an electrician. Troubleshooting Guide
Room Air Conditioner Voltage Limits
NAME PLATE RATING 208...
Service Manual - Page 27
... a large area on overload. Close if open circuit.
27 Room Air Conditioner If loose or missing, correct. Rotary switch. If loose, repair or replace. Compressor cycles on the coil surface, head pressures will not run, but fan motor runs. Replace if open .
Check the set screw or clamp.
Copper tubing
Remove the cabinet carefully and rearrange...
Service Manual - Page 29
..., ELECTRIC W0CZZ CAPACITOR, DRAWING W48602 CLAMP, SPRING 325115-1 TUBE, EVAPORATOR 325115-2 TUBE, EVAPORATOR
29 Room Air Conditioner
PART NO. Replacement Parts List
Replacement Parts List
LOCATION NO.
LWHD1800HR
LWHD2400HR
3041A30002Y 3091AR6057X 3530AR1604A 3531A20073W 3551A30015A 3720AR6163A
2H01102A 4758AR7264C 4758AR7278C 4758AR6157A 4800AR7271A 4998AR1597A 5231AR6159A 3831A10018M...
Service Manual - Page 30
Replacement Parts List
Replacement Parts List
LOCATION NO.
130410 130910 135314 135312 135510 137215 146812 147581-1 147581-2 147582 ...CLAMP,SPRING TUBE,EVAPORATOR TUBE,EVAPORATOR
135500
COVER
731273
INSTALL PART ASSEMBLY,SINGLE
749740 135515
GUIDE COVER ASSEMBLY,TOP(INDOOR)
30 Room Air Conditioner
PART NO(2007)
LWHD1807HR LWHD2400HRY7
3041A23004F 3041A23004H 3091AR6056Q 3091AR6056Q ...
LG LWHD1800HR Reviews
We have not received any reviews for LG yet.