Manuals
/
Brands
/
Household Appliance
/
Air Conditioner
/
LG Electronics
/
Household Appliance
/
Air Conditioner
LG Electronics
- page 63
Models:
A3UC363FA0(LMU360CE)
A3UH363FA0(LMU360HE)
AMNC093D4A0(LMN090CE)
AMNC123APM0(LMAN120CNS)
AMNC123DEA0(LMN120CE)
AMNH123DEA0(LMN120HE)
1
63
86
86
Download
86 pages, 6.97 Mb
Service Manual
63
Schematic Diagram
2) Solder side
Contents
Main
LG
Multi Type Air Conditioner
CAUTION
SERVICE MANUAL
LG
website http://www.lgservice.com
TABLE OF CONTENTS
Service Manual 3
Model Number Nomenclature
AMN H 3
Model Number Nomenclature
Indoor Unit
Outdoor Unit
09 4DA0
A3U H 336 F A 0
Symbols Used in this Manual
Combination table
NOTICE
Safety Precautions
WARNING CAUTION
Installation
WARNING
Page
Page
CAUTION
Installation
Operational
Page
Service Manual 11
Dimensions
Dimensions
1. Split Type Indoor 2. Art Cool Type Indoor Unit
12 Multi type Air Conditioner
Outdoor Unit
Dimensions
Service Manual 13
Product Specifications
Product Specifications
Indoor Unit
14 Multi type Air Conditioner
Outdoor Unit - Multiple piping models
Product Specifications
Installation
Read carefully, and then follow step by step.
Installation Parts
Installation Tools
16 Multi type Air Conditioner
Select the best location
Service Manual 17
Piping length and elevation
Multi Piping Type
Fixing Installation Plate(Standard Type)
Service Manual 19
Preparing work for Installation (Artcool Type Only)
Open panel front
Remove cover pipe and cover side
Drain hose junction
20 Multi type Air Conditioner
INSTALLA TION GU
Drill a hole in the wall
Flaring Work and Connection of Piping
Service Manual 21
Flaring work
Cut the pipes and the cable.
Burrs removal
Connecting the Piping
For right rear piping
Page
24 Multi type Air Conditioner
For left rear piping
Page
Page
Page
28 Multi type Air Conditioner
REMOTE CONTROL PREPARATION(OPTIONAL)
Service Manual 29
Outdoor
Connecting the Cable between Indoor Unit and Outdoor Unit
Connect the cable to the Indoor unit.
Line voltage (208~230V)
Low voltage (below 40V)
Connect the cable to the Outdoor unit.
Outdoor unit
32 Multi type Air Conditioner
How to connect wiring to the terminals
Strand wire
Connection method of the connecting cable(Example)
High voltage
Connect the cable to the indoor unit
Service Manual 33
CAUTION: Provide a circuit breaker between power source and the unit as shown below.
Checking the Drainage, Forming the Pipings and Long Pipe Setting
Checking the drainage
Forming the piping
Air Purging and Evacuation
Checking method
Service Manual 37
Checking the Drainage, Forming the Pipings and Long Pipe Setting
Evacuation
Finishing the job
: Repeat evacuation procedure for each indoor unit.
NOTICE
38 Multi type Air Conditioner
Charging
Service Manual 39
Test Running Split, Art Cool Type
Test Running
40 Multi type Air Conditioner
Operation
Operation
Function of control
1. MAIN UNIT FUNCTION
DISPLAY
Cooling Mode Operation
Service Manual 41
Operation
Defrost Control(Heating)
Fuzzy Operation
42 Multi type Air Conditioner
Operation
Airflow Speed Selection
On-Timer Operation
Off-Timer Operation
Page
44 Multi type Air Conditioner
Operation Forced Operation
Buzzer Sounding Operation
Service Manual 45
Operation
Function of Indoor Unit
Indoor Unit
46 Multi type Air Conditioner
Operation
Art Cool Type Indoor Unit
Service Manual 47
Operation
Function of Outdoor Unit
Outdoor Unit
Remote Control Operation
Operation Mode
Disassembly
Page
Service Manual 51
Disassembly
5.To remove the Motor Cover
6.To remove the Cross-Flow Fan
Page
Service Manual 53
Disassembly
Page
Service Manual 55
Schematic Diagram 2) Art Cool Type
FG2
~
FG1
Page
Page
Page
Components Locations
Page
Page
Page
Page
Cooling
OUTDOOR UNIT
OUTDOOR UNIT
1. A3UH363FA0(LMU360HE)
Troubleshooting Guide
Refrigeration Cycle Diagram
Service Manual 65
Self-diagnosis Function
LED1 LED2
Indoor Error
Outdoor Error
Cycle Troubleshooting Guide
Trouble analysis
Electronic Parts Troubleshooting Guide
The Product doesnt operate at all.
Trouble 1
Product doesn't operate with the remote controller. Trouble 2
The Compressor/Outdoor Fan are don't operate Trouble 3
When indoor Fan does not operate.
When indoor Fan does not operate. Trouble 4
When the louver does not operate. Trouble 5 When Vertical Louver does not operate.
72 Multi type Air Conditioner
Error Code
Check the resistance / voltage
Page
Page
Service Manual 75
Check the resistance
2-way, 3-way Valve
Service Manual 77
(1) Pumping down
78 Multi type Air Conditioner
(2) Evacuation
Procedure
Service Manual 79
(3) Gas Charging
Procedure
80 Multi type Air Conditioner
Exploded View & Replacement Parts List
S4, SE chassis
Service Manual 81
Parts List (S4, SE chassis)
82 Multi type Air Conditioner
SP3 Chassis Art Cool Type
Service Manual 83
Parts List (SP3 chassis)
Outdoor Unit
84 Multi type Air Conditioner
A3UH363FA0(LMU360HE), A3UC363FA0(LMU360CE)
Service Manual 85
Parts List (A3UH363FA0(LMU360HE), A3UC363FA0(LMU360CE))