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Air Conditioner
LG Electronics
LAN181CNW, LAU181CNW, LA180CPI, LA180CPO
Dimensions
1
13
73
73
Download
73 pages, 6.06 Mb
Service Manual
13
Dimensions
522
928
147
Pipe Hole
Fix Hole
MODEL
DIM Unit
W mm(inch)
928(36.5)
H mm(inch)
522(20.6)
D mm(inch)
147(5.8)
Indoor Unit
Dimensions
Indoor Unit
Contents
Main
LG
Room Air Conditioner
SERVICE MANUAL
LG
TABLE OF CONTENTS
Service Manual 3
Details of 2006 LG Model Name 12
Details of 2006 LG Model Name
345678910
-
Safety Precautions
Installation
Operation
Page
Installation
Operation
Disuse
10 Room Air Conditioner
Functions
Functions
Indoor Unit
Service Manual 11
Functions
Remote Control
12 Room Air Conditioner
Product References
Product References
Dimensions
14 Room Air Conditioner
Dimensions
Outdoor Unit
Gas side 3-way valve Liquid side 2-way valve
Service Manual 15
Refrigeration Cycle Diagram
INDOOR UNIT
Refrigeration Cycle Diagram
Cooling Only Models
Page
Service Manual 17
DISPLAY
Cooling Mode Operation
Healthy Dehumidification Mode
Operation Details
MAIN UNIT FUNCTION
18 Room Air Conditioner
Heating Mode Operation
Defrost Control
Service Manual 19
Fuzzy Operation (C/O Model)
Fuzzy Operation (H/P Model)
20 Room Air Conditioner
Airflow Speed Selection
On-Timer Operation
Page
Page
Service Manual 23
Display Function
1. Heating Model 2. Cooling Model
Display Function
Self-diagnosis Function
Introduction
Symbols used in this Manual
Features
Installation
Read carefully, and then follow step by step.
Installation Parts
Installation Tools
Installation Map
NOTICE
Confirm The Refrigerant
28 Room Air Conditioner
Installation
Installation of indoor, Outdoor unit
1) Select the best location
2) Piping length and elevation
Service Manual 29
Installation
3) Preparing work for Installation
30 Room Air Conditioner
Installation 4) How to fix installation plate
A
B
5) Preparing work for installation
Flaring Work and Connection of Piping
2) Connection of piping Indoor
Page
CAUTION
34 Room Air Conditioner
Installation
Connecting The Cable Between Indoor Unit and Outdoor Unit
1) Connection of the cable
Service Manual 35
Installation
2) Connection method of the connecting cable(Example)
Page
Service Manual 37
Installation 2) Form the piping
Checking the Drainage and forming the pipings
1) Checking the drainage
38 Room Air Conditioner
Installation
CAUTION
3) Connect the cable to the indoor unit
Service Manual 39
Installation
Air Purging
1) Air purging
2) Air purging with vacuum pump
40 Room Air Conditioner
Installation
Soap water method
Panel Front Assembly
42 Room Air Conditioner
Installation
Test Running
PUMP DOWN
Service Manual 43
Operation
Operation Mode
Operation
Remote Control Operations
44 Room Air Conditioner
Disassembly of the parts (Indoor unit)
Disassembly of the parts (Indoor unit)
Service Manual 45
Disassembly of the parts (Indoor unit)
2-way, 3-way Valve
Service Manual 47
2-way, 3-way Valve
1. Air purging
Procedure
Caution
2. Pumping down
Service Manual 49
2-way, 3-way Valve 1) Re-air purging
Procedure
50 Room Air Conditioner
2-way, 3-way Valve 2) Balance refrigerant of the 2-way, 3-way valves
Procedure
Service Manual 51
2-way, 3-way Valve
3. Evacuation
Procedure
Use vacuum pump equipped with check value applied to be prevented from flowing backward.
4. Gas Charging
This unit is charged with R-410A. Pay attention not to charge R-22.
Service Manual 53
2-way, 3-way Valve
(According to Indoor & Outdoor Temperature)
Operating Suction Pressure (For R410A)
Cycle Troubleshooting Guide
54 Room Air Conditioner
1. Trouble analysis
Service Manual 55
56 Room Air Conditioner
3. The product is not operate with the remote controller.
Service Manual 57
4. Compressor/Outdoor Fan are unable to drive.
58 Room Air Conditioner
5. When Indoor Fan does not operate.
Service Manual 59
6. When Vertical Louver does not operate.
Page
Service Manual 61
8. The phenomena in case of connecting error INDOOR UNIT
62 Room Air Conditioner
OUTDOOR UNIT
Service Manual 63
9. Voltage of Connectors according to Indoor Fan Speed
Electronic Control Device
Page
Page
Service Manual 67
Schematic Diagram
receiver
CN-LR2(WH)
Schematic Diagram
Page
Exploded View and Replacement Parts List
70 Room Air Conditioner
Parts List(indoor)
2. Outdoor unit(18K)
72 Room Air Conditioner
Parts List(outdoor)