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ARWN048GA2
LG ARWN048GA2 Manuals
Manuals and User Guides for LG ARWN048GA2. We have
2
LG ARWN048GA2 manuals available for free PDF download: Installation Operation & Maintenance, Service Manual
LG ARWN048GA2 Installation Operation & Maintenance (92 pages)
Brand:
LG
| Category:
Heat Pump
| Size: 6.73 MB
Table of Contents
Table of Contents
3
Safety Precautions
4
Installation
4
Wiring
6
Operation
7
Nomenclature
8
Water Source Unit Specifications
9
General and Electrical Data
9
Dimensions
10
Refrigerant Circuits
11
Wiring Diagram
14
Accessories
15
Installation
17
Placement Considerations
17
Transporting / Lifting the Water Source Unit
18
Minimum Space Requirements
19
General Mounting / Anchoring the Water Source Unit
20
Refrigerant Piping Installation
21
Computer-Assisted Refrigerant Pipe Design
21
System Engineering
22
Pipe Sizing
31
Refrigerant Pipe Connections
35
Insulating the Refrigerant Piping System
38
Pressure Testing
40
Water Circuit Installation
41
Piping System Specifications
43
Flow Switches and Solenoid Valves
48
Variable Water Flow Control Kit
49
Electrical System Installation
57
General Information
57
Power Wiring
58
Wiring and Cable Terminations
59
Communications Cables
60
Pre-Commissioning and Maintenance
63
Preparing the Electrical System
63
Indoor Unit Auto Addressing Auto Addressing
63
Group Control
67
Central Control
68
Indoor Unit Temperature Sensing Strategy / Air Balance
70
Prepare the Refrigerant Piping System
71
Preparing / Balancing the Water Circuit
72
Prepare Pre-Commissioning Package Documents
73
Initiate a Request
73
Maintaining the Heat Exchanger
74
General Maintenance Schedule
75
Error Codes
77
LG Monitoring View (LGMV) Diagnostic Software
77
Error Code Tables
79
Checklists
83
LG Multi V Pre-Commissioning Device Configuration Worksheet
83
Installation Checklist
84
Pre-Commissioning Checklist
86
Refrigerant Charge Worksheet
90
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LG ARWN048GA2 Service Manual (81 pages)
Outside Unit Multi-V Water Mini Series
Brand:
LG
| Category:
Heat Pump
| Size: 6.37 MB
Table of Contents
Table of Contents
2
Safety Precautions
3
Part 1 General Information
10
Model Names
11
External Appearance
11
Nomenclature
12
Part 2 Outside Units
13
Function
15
1 Basic Control
16
Compressor Control
16
Normal Operation
16
Master and Slave Unit's EEV Control
17
Indoor Unit
18
Stopping Operation
20
2 Special Control
18
Oil Return Control
18
3 Protection Control
21
Pressure Protection Control
21
Discharge Temperature Control
22
Inverter Protection Control
22
Liquid Back Control
23
Pressure Switch
23
4 Other Control
24
Initial Setup
24
Vacuum Mode
26
Black Box Function
27
Test Run
28
Part 3 Test Run
29
Dip Switch Setting
31
Part 4 Trouble Shooting Guide
34
Trouble Shooting Guide
35
1 The Phenomena from Main Component Failure
36
2 Checking Method for Key Components
37
Compressor
37
Electronic Expansion Valve
38
Inverter IPM Checking Method
41
Other
42
3 Self-Diagnosis Function
43
Troubleshooting Guide
46
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