Table of Contents
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Table of Symbols ................................................................................... 3
General Data .......................................................................................... 8
Unit Nomenclature ............................................................................... 8
Specifications ...................................................................................... 9
Electrical .............................................................................................11
General Installation Guidelines .......................................................... 12
Location Selection ............................................................................. 12
Oceanside Applications ..................................................................... 14
Required Outdoor Unit Clearances ................................................... 15
Required Indoor Unit Clearances ...................................................... 18
Horizontal Right Installation ............................................................... 20
Vertical Downflow Installation ............................................................ 21
Installing Ductwork ............................................................................ 24
Selecting Field Supplied Piping ......................................................... 26
Copper Expansion and Contraction .................................................. 27
Piping Handling ................................................................................... 29
Refrigerant System Engineering ........................................................ 30
Flaring and Brazing Procedures ........................................................ 33
Refrigerant Piping Connections ......................................................... 35
Installation Overview ......................................................................... 35
Directional Pipe Formation ................................................................ 36
Outdoor Unit Connections ................................................................. 37
Indoor Unit Connections .................................................................... 38
Drain Hose ......................................................................................... 39
Bundling and Cutting Line ................................................................. 40
Insulation .............................................................................................. 42
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TABLE OF CONTENTS
Electrical System Installation ............................................................. 43
General Information and Safety Guidelines ....................................... 43
Power Wiring Specifications and Best Practices ............................... 44
Wall Controller Installation ................................................................. 47
External Static Pressure Setting / Installer Mode .............................. 48
Third Party Thermostat ...................................................................... 49
Indoor Unit Electrical Connections .................................................... 50
Optional Electric Heater for IDU ........................................................ 51
Outdoor Unit Electrical Connections .................................................. 52
Electrical System Installation ............................................................. 53
LVN300HCV ...................................................................................... 53
LVU300HCV ..................................................................................... 54
NJ Wiring Diagrams Legend ............................................................. 55
NJ Chassis DIP Switch Settings ........................................................ 56
Final Installation Procedures ............................................................. 57
Triple Leak / Pressure Check ............................................................ 57
Triple Leak / Pressure and Evacuation Procedures .......................... 58
Triple Evacuation Procedure ............................................................. 59
Trim Charge, Test Run ....................................................................... 60
Pump Down, Cooling Only Mode ...................................................... 61
Troubleshooting .................................................................................. 62
Error Codes ...................................................................................... 62
Cautions for Refrigerant Leaks .......................................................... 64
Refrigerant Leaks .............................................................................. 64
Installation Checklist ........................................................................... 65
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