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TABLE OF CONTENTS
Safety Precautions ...................................................................................................................................................................................................... 4-7
Installation… ..............................................................................................................................................................................................................4-5
Wiring ………………………………………………………………………………………………………………………………………………………………… 6
Operation …………………………………………………………………………………………………………………………………………………………… 7
Nomenclature ���������������������������������������������������������� 8
Heat Pump Outdoor Unit Specications ................................................................................................................................................................. 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 Specications .........................................................................................................................................................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
Conguration Worksheet .......................................................................................................................................................................................... 177
Installation Checklist ..........................................................................................................................................................................................178-179
Pre-commissioning Checklist ............................................................................................................................................................................180-182
Refrigerant Charge Worksheet ................................................................................................................................................................................. 183
Maintenance ................................................................................................................................................................................................................ 184
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