LG Multi V Water V ARWM144CAS5 Manuals

Manuals and User Guides for LG Multi V Water V ARWM144CAS5. We have 3 LG Multi V Water V ARWM144CAS5 manuals available for free PDF download: Service Manual, Installation Manual, Engineering Manual

LG Multi V Water V ARWM144CAS5 Service Manual (157 pages)

Outdoor Unit R410A

Brand: LG | Category: Heat Pump | Size: 29.87 MB

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
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

LG Multi V Water V ARWM144CAS5 Installation Manual (57 pages)

Brand: LG | Category: Air Conditioner | Size: 26.41 MB

Tips for Saving Energy
2
Important Safety Instructions
2
Table of Contents
3
Installation Process
4
Outdoor Units Information
4
Alternative Refrigerant R410A
4
Select the Best Location
4
Installation Space
6
Water Control
6
Refrigerant Piping Installation
10
Installation of Water Pipe
16
Device Protection Unit
16
Pipe Connections between Indoor and Outdoor Unit
17
Electrical Wiring
32
Test Run
50
Caution for Refrigerant Leak
55
Cooling Tower Applied Method
56
Water Solenoid Valve Control
56

LG Multi V Water V ARWM144CAS5 Engineering Manual (41 pages)

Variable Refrigerant Flow Water Source Outdoor Units

Brand: LG | Category: Air Conditioner | Size: 15.63 MB

Table of Contents
2
Unit Nomenclature

3
LG Air Conditioner Technical Solution (LATS)

3
Refrigerant Charge Worksheet

4
Water Source Unit Product Data

5
- Mechanical Specifications
  6
- Product Features and Benefits
  6
- General Data
  7
- Electrical Data
  9
- Connection Limitations
  9
- Dimensions
  10
- Wiring Diagrams
  11
- Refrigerant Flow Diagrams
  12
- Acoustic Data
  16
- Head Loss by Water Flow
  17
- Accessories
  21
Electrical Connections

22
Water Loop Circuit Design

25
- Water Design Guide
  26
- Water Circuit Installation
  28
Piping Limitations and Placement Considerations

32

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More LG Manuals

LG Multi V Water V ARWM144CAS5 Manuals

LG Multi V Water V ARWM144CAS5 Service Manual (157 pages)

Table of Contents

LG Multi V Water V ARWM144CAS5 Installation Manual (57 pages)

Table of Contents

LG Multi V Water V ARWM144CAS5 Engineering Manual (41 pages)

Table of Contents

Unit Nomenclature

LG Air Conditioner Technical Solution (LATS)

Refrigerant Charge Worksheet

Water Source Unit Product Data

Electrical Connections

Water Loop Circuit Design

Piping Limitations and Placement Considerations

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LG Categories