Table Of Contents - LG MULTI V IV ARUN072BTE4 Installation Manual

Safety Precautions ...................................................................................................................................................................................................... 4-7
Installation... .............................................................................................................................................................................................................. 4-5
Wiring ....................................................................................................................................................................................... 6
Operation ................................................................................................................................................................................. 7
Nomenclature ���������������������������������������������������������� 8
Heat Pump Outdoor Unit Specifications ................................................................................................................................................................. 9-40
General Data ........................................................................................................................................................................................................... 9-14
Electrical Data ............................................................................................................................................................................................................ 15
Dimensions ............................................................................................................................................................................................................ 16-21
Refrigerant Circuits ................................................................................................................................................................................................ 22-31
Wiring Diagram ...................................................................................................................................................................................................... 32-37
Accessories ........................................................................................................................................................................................................... 38-40
Heat Recovery Outdoor Unit Specifications ......................................................................................................................................................... 41-86
General Data ......................................................................................................................................................................................................... 41-46
Electrical Data ............................................................................................................................................................................................................ 47
Dimensions ............................................................................................................................................................................................................ 48-53
Refrigerant Circuits ................................................................................................................................................................................................ 54-71
Wiring Diagram ...................................................................................................................................................................................................... 72-77
Accessories ........................................................................................................................................................................................................... 78-86
Installation ��������������������������������������������������������� 87-94
Placement Considerations .......................................................................................................................................................................................... 87
Transporting / Lifting the Outdoor Unit ........................................................................................................................................................................ 88
Minimum Space Requirements .................................................................................................................................................................................. 89
Mounting / Anchoring the Outdoor Unit ................................................................................................................................................................. 90-91
Mounting / Anchoring the Heat Recovery Unit ....................................................................................................................................................... 92-93
Refrigerant Piping Installation ............................................................................................................................................................................. 95-134
Computer-assisted Refrigerant Pipe Design .............................................................................................................................................................. 95
System Engineering ............................................................................................................................................................................................ 96-104
Pipe Sizing for Heat Pump Systems ...................................................................................................................................................................105-111
Pipe Sizing for Heat Recovery Systems .............................................................................................................................................................112-119
Refrigerant Pipe Connections ............................................................................................................................................................................ 120-130
Insulating the Refrigerant Piping System .......................................................................................................................................................... 131-132
Pressure Testing ............................................................................................................................................................................................... 133-134
Electrical System Installation ............................................................................................................................................................................. 135-146
General Information ..................................................................................................................................................................................................135
Wiring and Cable Terminations .......................................................................................................................................................................... 136-138
Power Wiring ..................................................................................................................................................................................................... 139-142
Communications Cables .................................................................................................................................................................................... 143-145
Pre-commissioning ............................................................................................................................................................................................. 147-166
Preparing the Electrical System ........................................................................................................................................................................ 147-148
Indoor Unit Auto Addressing Auto Addressing ................................................................................................................................................... 149-152
Group Control ........................................................................................................................................................................................................... 153
Central Control .................................................................................................................................................................................................. 153-155
Indoor Unit Temperature Sensing Strategy / Air Balance ......................................................................................................................................... 156
Setting Up the Heat Recovery Unit ................................................................................................................................................................... 157-161
Prepare the Refrigerant Piping System ............................................................................................................................................................. 162-164
Prepare Pre-commissioning Package Documents ................................................................................................................................................... 165
Initiate a Request ...................................................................................................................................................................................................... 165
Error Codes .......................................................................................................................................................................................................... 167-176
LG Monitoring View (LGMV) Diagnostic Software ............................................................................................................................................. 167-168
Error Code Tables .............................................................................................................................................................................................. 169-175
Checklists ............................................................................................................................................................................................................. 177-183
LG Multi V Pre-Commissioning Device
Configuration Worksheet .......................................................................................................................................................................................... 177
Installation Checklist .......................................................................................................................................................................................... 178-179
Pre-commissioning Checklist ............................................................................................................................................................................ 180-182
Refrigerant Charge Worksheet ................................................................................................................................................................................. 183
Maintenance ................................................................................................................................................................................................................ 184
Due to our policy of continuous product innovation, some specifications may change without notification.
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