User Manuals: LG Multi V 5 VRF HVAC System

Manuals and User Guides for LG Multi V 5 VRF HVAC System. We have 6 LG Multi V 5 VRF HVAC System manuals available for free PDF download: Service Manual, Data Manual, Manual Book, Engineering Manual, Installation Manual, Reference Manual

LG Multi V 5 Service Manual (236 pages)

Brand: LG | Category: Air Conditioner | Size: 13.52 MB

Table of Contents
3
Safety Precautions
4
- Table of Symbols
  4
- Installation
  4
- Wiring
  6
- Operation
  7
- Safety Precautions
  7
- Heat Recovery Units (HRU)
  8
- Outdoor Units (ODU)
  8
- Unit Nomenclature
  8
- Outdoor Wiring Diagram
  9
Wiring Diagrams
9
- Wiring Diagrams
  16
- Heat Pump – Cooling Mode
  17
Refrigerant Flow Diagrams
17
Outdoor Unit Functions
43
PCB Settings
96
- Outdoor Unit DIP Switch Settings
  96
- Heat Recovery Unit Settings
  97
Troubleshooting Main Components
111
- Main Component Errors
  112
- Self Diagnostics Check
  113
- Run Self Diagnostics Check
  113
- Checking the Compressor
  114
- Checking the Outdoor Unit Fan Motor
  115
- Checking the Electronic Expansion Valves
  116
- Checking the High / Low Pressure Sensors
  122
- Checking the Outdoor Fan
  122
- Checking the Valves
  123
  - Oil Return Solenoid Valve
    123
  - Partial Defrost Solenoid Valve
    123
  - Supercooled Bypass Valve
    123
  - Checking the Four-Way Reverse Valve
    124
  - Checking the Temperature Sensors
    124
- Error Code General Information
  125
- Error Code Tables
  126
  - Error Code Display
    126
  - Nomenclature Definitions
    126
  - Error Nos. 01, 02, 06, and 17
    136
  - Error No. 03
    137
- Error Codes
  137
  - Error No. 04
    138
  - Error No. 05
    140
  - Error No. 09
    141
  - Error No. 10
    142
  - Dismantling/Servicing the Control Box and Inverter PCB
    143
  - Error No. 21
    144
  - Error No. 22
    146
  - Error No. 23
    148
  - Error No. 24
    149
  - Error No. 25
    150
  - Error No. 26
    151
  - Error No. 29
    153
  - Error Nos. 32 and 33
    155
  - Error No. 34
    156
  - Error No. 35
    157
  - Error No. 36
    158
  - Error No. 40
    159
  - Error Nos. 41 and 47
    160
  - Error Nos. 42 and 43
    161
  - Error Nos. 44, 45, 46, 49, 153, and 154
    162
  - Error No. 50
    163
  - Error No. 51(1)
    164
  - Error No. 51(2) (for Heat Recovery Systems Only)
    165
  - Error No. 52
    166
  - Error No. 53
    168
  - Error No. 57
    170
  - Error No. 60
    171
  - Error No. 62
    172
  - Error No. 65
    173
  - Error No. 67
    174
  - Error No. 75
    176
  - Error No. 77
    177
  - Error No. 79
    178
  - Error No. 86
    180
  - Error No. 87
    181
  - Error No. 104
    182
  - Error No. 105
    185
  - Error No. 106
    187
  - Error No. 107
    189
  - Error Nos. 113, 114, and 115
    190
  - Error No. 145
    191
  - Error No. 150
    192
  - Error No. 151
    193
  - Error No. 182
    196
  - Error No. 187
    197
  - Error No. 193
    198
  - Error No. 194
    199
  - Error No. 2001
    201
  - Error Nos. 201C, 202C, 203C
    202
  - Error No. 204 C
    203
  - Error No. 205 C
    204
  - Error No. 206 C
    205
  - Error No. 237
    206
  - Error No. 238
    207
  - Error No. 242
    208
- Replacing the Inverter PCB Heat Sink
  209
- Checking Input Voltage in Case of Power on
  210
- Checking Main PCB DC Voltage in Case of Power on
  211
- Checking Converter DC Link Voltage in Case of Compressor Operating
  212
- Case of Power on
  213
- Checking Inverter PCB in Case of Power off
  214
- Power System Wiring Diagram
  215
- PCB Locations
  216
  - Outdoor Unit Parts
    217
  - Main PCB
    217
- Pcbs
  217
- Pcbs - Expanded Internal View
  226

LG Multi V 5 Data Manual (162 pages)

Brand: LG | Category: Air Conditioner | Size: 1.37 MB

LG Multi V 5 Manual Book (133 pages)

Brand: LG | Category: Heat Pump | Size: 19.38 MB

Table of Contents
3
Ⅰ. Basic Part
4
Unit Conversion
5
Temperature Vs. Pressure of Ref
5
P-H Diagram_R410A
7
P-H Diagram_R134A
8
Ⅱ. Multi V 5 Introduction
9
Nomenclature
10
Line up / Capacity
11
Piping Diagrams
13
Wiring Diagrams
28
Checking Point
32
Lgmv
33
Lack of Cooling
33
Lack of Heating
34
Check the Amount of Refrigerant
35
Cycle Changes by Amount of Refrigerant
37
Self-Diagnosis Function
38
Error Code Display
39
Error Code Check
41
Compressor
50
Eev
75
Solenoid Valve
75
Way Valve
75
The Phenomena from Main Component Failure
76
Compressor
76
Check Valve (Outdoor EEV Check Valve)
85
Check Valve (Oil Separator)
85
Outdoor Fan & Fan Motor
86
Temperature Sensor
87
Pressure(High/Low) Sensor
87
Humidity Sensor
88
Pressure Switch
89
Main PCB
89
External PCB
90
Inverter PCB
91
Fan PCB
92
Communication PCB
93
Phase Bridge Diode
94
Inverter IGBT
94
Fan IPM
95
Central Controller PC Status
96
App. Service & Replace Method of Control Box, Inverter PCB
98
Ⅳ. Function Control
98
Generation 4 Features
99
Function Control Setting
99
FDD Mode
101
Function Mode
106
FN 4 Overall Defrost
109
FN 9 Low Ambient Kit
112
FN 12 Compressor Max. Frequency Limit
113
Auto Dust Removal Mode
113
The Connecting of Central Control at IDU Terminals
117
FN 21 the Smart Plug
118
Overall Defrost Entrance for Low Temperature
118
SVC Mode
119
Display Cycle Information
124
SE 9 Noise Reduction
125
Heating Fan Low Noise
126
IDU Mode
127
EEV Pulse of Non-Operating IDU in Heating
127
Set IDU Superheat
128
Set IDU Subcool
128
Set Auto Pipe Detection
128
Start Auto Pipe Detection
128
Set Zone Master
129
Operating IDU Low Noise
130
In Cooling IDU EEV Max. Pulse
130
Comfort Cooling
131
Non-Operating IDU Subcool
132
Set IDU Superheat for Fan
132

LG Multi V 5 Engineering Manual (105 pages)

Brand: LG | Category: Fan | Size: 13.74 MB

Table of Contents
3
Unit Nomenclature
4
LG Air Conditioner Technical Solution (LATS)
5
Outdoor Unit Product Data
7
Mechanical Specifications
8
Features
9
General Data
10
Electrical Data
20
Connection Limitations
22
Dimensions
23
Wiring Diagrams
27
Refrigerant Flow Diagrams
35
Acoustic Data
61
Accessories
67
Heat Recovery Unit Product Data
74
Mechanical Specifications
75
General Data
76
Electrical Data
76
Dimensions
76
Wiring Diagram
80
Refrigerant Flow Diagram
81
Accessories
82
Electrical Connections
83
System for Heat Pump Operation
84
System for Heat Recovery Operation
85
DIP Switch Settings for Use with Gen 4 Indoor Units
86
Placement Considerations
87
Piping Limitations
88
Refrigerant Piping for Separated Outdoor Units
94
Selecting the Best Location for Outdoor Unit(S)
97
Outdoor Unit Clearance Requirements
99
Installing Outdoor Units Indoors
100
Selecting the Best Location / Clearance Requirements for Heat Recovery Unit(S)
102

LG Multi V 5 Installation Manual (25 pages)

DRAIN PAN HEATER

Brand: LG | Category: Heater | Size: 10.56 MB

LG Multi V 5 Reference Manual (9 pages)

Split DOAS

Brand: LG | Category: Air Conditioner | Size: 1.46 MB

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User Manuals: LG Multi V 5 VRF HVAC System

LG Multi V 5 Service Manual (236 pages)

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LG Multi V 5 Data Manual (162 pages)

Table of Contents

LG Multi V 5 Manual Book (133 pages)

Table of Contents

LG Multi V 5 Engineering Manual (105 pages)

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LG Multi V 5 Installation Manual (25 pages)

LG Multi V 5 Reference Manual (9 pages)

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