TABLE OF CONTENTS
4
ELECTRICAL CONNECTIONS......................................................................................36
General Electrical Field Wiring Guidelines .................................................................................. 37
Electrical Service ......................................................................................................................... 38
Nameplate Ratings ...................................................................................................................... 38
Grounding .................................................................................................................................... 38
Voltage Tolerance ....................................................................................................................... 38
Three Phase Voltage Tolerance ......................................................................................... 38
Single-Phase Voltage Tolerance......................................................................................... 39
Heat Exchanger Auxiliary Control Wiring .................................................................................... 39
Remote Shutdown ....................................................................................................................... 40
Mini-dap4 Controller .................................................................................................................... 40
Remote Alarm Contacts .............................................................................................................. 40
Remote Sensors ......................................................................................................................... 41
Condensate Pump ...................................................................................................................... 41
Disconnect Switch (Optional) ...................................................................................................... 41
Manual Override Switch Board ................................................................................................... 42
Wiring Diagrams .......................................................................................................................... 43
INSTALLATION OF REMOTE OUTDOOR HEAT EXCHANGER ....................................43
CHARGING ....................................................................................................................44
Charging/Installation Work Procedures ...................................................................................... 44
Triple Evacuation and Dehydration Procedure ........................................................................... 44
Tools Needed ...................................................................................................................... 45
First Stage Evacuation ........................................................................................................ 45
Second Stage Evacuation ................................................................................................... 46
Third Stage Evacuation ....................................................................................................... 46
Final Evacuation Stage ....................................................................................................... 47
General Pre-Charging Guidelines ............................................................................................... 47
Voltage Phase Check .................................................................................................................. 48
Evaporator Power Phase Check ......................................................................................... 48
Fixed Speed Scroll Compressor Phase Check ................................................................... 49
Heat Exchanger Phase Check ............................................................................................ 49
GHRC Air-Cooled Heat Exchanger Phase Check .............................................................. 49
DARC Heat Exchangers Phase Check ............................................................................... 49
Line Set Charge Calculations ...................................................................................................... 49
Component Functional Test ........................................................................................................ 50
Charging Procedures .................................................................................................................. 50
Refrigerant Handling ........................................................................................................... 51
Air Cooled Split-System Charging....................................................................................... 51
Charging the Fixed Speed Compressor .............................................................................. 54
Additional Oil ....................................................................................................................... 55
Flooded System Charging (Systems with Low Ambient Receiver Package)...................... 56
Refrigerant Receiver ........................................................................................................... 57
Applications ......................................................................................................................... 57
Selection Guidelines ........................................................................................................... 57
Receiver Location................................................................................................................ 57
Safety Relief Devices .......................................................................................................... 58
Receiver Installation ............................................................................................................ 58
Charge Fixed Speed Compressor....................................................................................... 60
Water/Glycol-Cooled System Charging .............................................................................. 60
Important Refrigeration Components .......................................................................................... 62
Thermal Expansion Valve ................................................................................................... 62