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THERMA V AHUW128A3
LG THERMA V AHUW128A3 Manuals
Manuals and User Guides for LG THERMA V AHUW128A3. We have
3
LG THERMA V AHUW128A3 manuals available for free PDF download: Installation Manual, Service Manual
LG THERMA V AHUW128A3 Installation Manual (87 pages)
AIR-TO-WATER
Brand:
LG
| Category:
Heat Pump
| Size: 16.42 MB
Table of Contents
Table of Contents
2
Preface
5
1 Safety Precaution
6
Warning
6
Installation Warning
6
Operation Warning
7
Caution
9
Installation Caution
9
Operation Caution
9
2 Installation Part
10
Indoor Unit Box
10
Outdoor Unit Box
10
3 General Information
11
Model Information
11
Typical Installation Example
13
Case 1
13
Case 2
14
Case 3
15
Cycle Diagram
16
Water Cycle
17
Parts and Dimensions
19
Indoor Unit(External)
19
Indoor Unit(Internal)
20
Outdoor Unit(External)
22
Control Parts
24
Control Box : Indoor Unit
24
Control Panel
25
Wiring Diagram : Indoor and Outdoor (Incl. Field Wiring)
26
4 Installation of Outdoor Unit
28
Conditions Where Outdoor Unit Is Installed
28
Drill a Hole in the Wall
28
Installation at Seaside
29
Seasonal Wind and Cautions in Winter
29
5 Installation of Indoor Unit
30
Conditions Where Indoor Unit Is Installed
30
General Considerations
30
Service Space
30
Mounting to Wall
31
Water Volume and Water Pump Capacity
32
Pressure Drop
34
Water Volume and Expansion Vessel Pressure
35
Water Quality
36
Frost Protection
36
6 Piping and Wiring for Outdoor Unit
37
Refrigerant Piping
37
Constraints in Pipe Length and Elevation
37
Preparation for Piping
38
Connecting Pipe to Indoor Unit
39
Connecting Pipe to Outdoor Unit
39
Circuit Breaker Specification
42
Wiring Procedure for Power Cable and Connecting Cable
43
Finalizing
44
Pipe Forming
44
Leakage Test and Evacuation
45
Preparation
45
Leakage Test
45
Evacuation
46
7 Piping and Wiring for Indoor Unit
47
Water Piping and Water Circuit Connection
47
General Considerations
47
Water Charging
49
Pipe Insulation
49
Electrical Wiring
50
General Consideration
50
Terminal Block Information
51
Connecting with Outdoor Unit
52
Electric Heater Wiring
52
8 Accessories Installation
53
ACCESSORIES SUPPORTED by LG Electronics
53
ACCESSORIES SUPPORTED by 3Rd PARTY COMPANIES
53
Before Installation
54
Thermostat
54
General Information
54
How to Wire Thermostat
55
Final Check
56
Dhw Tank and Dhw Tank Kit/Solar Thermal Kit
57
General Information
57
How to Install Dhw Tank
58
How to Install Dhw Tank Kit
59
How to Wire Dhw Tank Heater
61
How to Install Solar Thermal Kit
62
Dry Contact
62
Remote Temperature Sensor
62
3Way Valve
63
How to Wire 3Way Valve
63
Final Check
63
2Way Valve
64
General Information
64
How to Wire 2Way Valve
64
Final Check
64
Conditions if Accessories Are Installed
65
Thermostat
65
Remote Air Temperature Sensor
65
Dhw Tank and Dhw Tank Kit / Solar Thermal Kit
66
9 System Set-Up
68
Dip Switch Setting
68
General Information
68
Dip Switch Information
69
Installer Setting
72
How to Enter Installer Setting Mode
72
Summary
73
Common Setting
74
Temperature Range Setting
75
Temperature Control Parameter Setting
76
10 Check Points, Maintenance and Troubleshooting
81
Check List before Starting Operation
81
Maintenance
82
Test Run
82
Check before Test Run
82
Troubleshooting
83
Troubleshooting for Problem While Operation
83
Troubleshooting for Error Code
84
Airborne Noise Emission
85
Limiting Concentration
85
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LG THERMA V AHUW128A3 Service Manual (82 pages)
AIR-TO-WATER HEAT PUMP
Brand:
LG
| Category:
Heat Pump
| Size: 21.23 MB
Table of Contents
Table of Contents
2
General
3
Definitions
3
Symbol
3
Safety Warnings and Instructions
4
Installation
4
Operation
5
Indoor
8
Specification
8
Outdoor
10
Function Table
13
Pump Capacity
14
Pump Hydraulic Performance
14
Piping Diagrams
15
Wiring Diagrams
16
Outdoor Unit
18
Models : AHUW166A3, AHUW146A3, AHUW126A3
19
Indoor Unit
21
Exploded View
21
Model Number Nomenclature
29
Model Information
29
Model Name and Related Information
30
Replacement Procedure for Compressor
31
Caution for Assembling Outdoor Panels after Test Run
32
Humidity of the Controller Assembly
33
Supply Voltage
33
Trouble Shooting Guide (Indoor Unit)
33
Module 1 - Alarm
35
Module 2 - Alarm
36
Position of Temperature Sensor
37
ERROR .Thermostat
37
Alarm Rtc Fail
38
Alarm Dhw
39
Module Inv Alarm
39
Main PCB Assembly(Inverter)
40
Trouble Shooting Guide (Outdoor Unit)
40
Error Diagnosis and Countermeasure Flow Chart
41
Comp Checking Method
41
Ahuw096A3
42
Check Point
46
Items for Checking
62
Sub-Items for Checking
62
Insufficient Insertion of Wires
63
Damage of Wire Coating
63
Inverter PCB LED
63
Judgment Method of R,S,T Phase Loss
66
Judgment Method of Open and Reverse Phase of R,S,T
66
Sensor Resistance Table (in Outdoor Unit)
78
Heatsink Temp
79
D-Pipe Temp
79
How to Check Insulation Resistance between the Compressor and Panel
80
How to Check the U, V, and W Phase Resistance
80
LG THERMA V AHUW128A3 Installation Manual (65 pages)
AIR-TO-WATER HEAT PUMP
Brand:
LG
| Category:
Heat Pump
| Size: 12.97 MB
Table of Contents
Table of Contents
2
Important Information
3
Symbols
3
General
4
Safety Warnings and Instructions
4
Obligations of the Manufacturer
8
Obligations of the Installer During Installation
8
Obligations of the User
8
Installation Part
9
General Information
10
Model Information
10
Parts and Dimensions
12
Installation of Outdoor Unit
15
Conditions Where Outdoor Unit Is Installed
15
Set up and Connection of the External Sensor
16
Drill a Hole in the Wall
16
Installation at Seaside
17
Seasonal Wind and Cautions in Winter
17
Installation of Indoor Unit
18
General
18
Location of the Device
19
Connection with the Outdoor Unit
21
Hydraulic Connection
25
Electrical Connection
34
Refrigerant Piping
47
Piping and Wiring for Outdoor Unit
47
Finalizing
56
Leakage Test and Evacuation
57
System Set-Up
59
DIP Switch Setting
59
Check Points, Maintenance and Troubleshooting
60
Check List before Starting Operation
60
Care and Maintenance
61
Test Run
63
Limiting Concentration
63
Search the Manual Using Your Mobile
64
Airborne Noise Emission
64
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