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Multi V ARWM288CAS5
LG Multi V ARWM288CAS5 Manuals
Manuals and User Guides for LG Multi V ARWM288CAS5. We have
1
LG Multi V ARWM288CAS5 manual available for free PDF download: Service Manual
LG Multi V ARWM288CAS5 Service Manual (157 pages)
Outdoor Unit R410A
Brand:
LG
| Category:
Heat Pump
| Size: 29.87 MB
Table of Contents
Table of Contents
2
Safety Precautions
3
Part 1 General Information
8
Model Names
9
Indoor Unit
9
Outdoor Unit
10
Unit
10
External Appearance
11
Indoor Unit
11
Outdoor Unit
12
Combination of Outdoor Units
13
Nomenclature
14
Indoor Unit
14
Outdoor Unit
14
Unit
15
Part 2 Outdoor Units
16
Basic Control
18
Normal Operation
18
Compressor Control
18
Master and Slave Unit's EEV Control
19
Special Control
20
Oil Return Control
20
Stop Operation
22
Protection Control
23
Pressure Protection Control
23
Discharge Temperature Control
24
Inverter Protection Control
24
Other Control
25
Initial Setup
25
Cool & Heat Selector
29
Outdoor Unit Address
30
IDU Capacity Adjusting
31
Target Pressure Adjusting
32
Geothermal Mode
33
Out for Solenoid Valve
34
Variable Water Flow Control
35
Pump out
36
Vacuum Mode
39
Back up
40
Forced Oil Return
41
Cycle Data View
42
Refrigerant Noise Reduction Mode
43
Part 3 HR Units
44
Specifications
46
Parts Functions
48
Dimensions
49
Piping Diagrams
51
Wiring Diagrams
52
Functions
53
Part 4 PCB Setting and Test Run
55
Unit PCB (PRHR042A, PRHR032A, PRHR022A)
57
Switch for Setup of HR Unit
57
Automatic Addressing
62
Flow Chart for Chart for Auto-Addressing of Indoor and HR Unit
63
Example of Manual Valve Addressing(Non-Zoning Setting)
66
Example of Manual Valve Addressing (Zoning Setting)
67
Example of Checking Valve Address
68
Identification of Manual Valve ID (Address)
68
Unit PCB (PRHR**3A, ** : 02, 03, 04, 06, 08)
69
Switch for Setup of HR Unit
70
Automatic Addressing
77
Flow Chart for Chart for Auto-Addressing of Indoor and HR Unit
78
Example of Manual Valve Addressing(Non-Zoning Setting)
81
Example of Manual Valve Addressing(Zoning Setting)
82
Example of Checking Valve Address
83
Identification of Manual Valve ID (Address)
83
Test Run
84
Checks before Test Run
84
How to Cope with Test Run Abnormality
85
Dip Switch Setting
85
Part 5 Trouble Shooting Guide
87
The Phenomena from Main Component Failure
89
Checking Method for Key Components
90
Compressor
90
Electronic Expansion Valve
91
Inverter Bridge Diode Checking Method
93
Inverter IPM/IGBT Checking Method
94
Pressure Sensor(High/Low Pressure Sensor)
95
Reverse Valve
96
Temperature Sensor
97
Others
98
Self-Diagnosis Function
99
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