Data Aire gForce Ultra Installation, Operation & Maintenance Manual page 4

ELECTRICAL ............................................................................................................................... 37
General Electrical Field Wiring Guidelines ......................................................................................... 38
Electrical Service ............................................................................................................................... 39
Nameplate Ratings ............................................................................................................................ 39
Grounding ......................................................................................................................................... 39
Voltage Tolerance ............................................................................................................................. 39
Three Phase Voltage Tolerance ................................................................................................. 39
Single-Phase Voltage Tolerance ................................................................................................ 40
Heat Exchanger Auxiliary Control Wiring ........................................................................................... 40
Remote Shutdown ............................................................................................................................. 41
Remote Alarm Contacts .................................................................................................................... 41
dap4 Controller .................................................................................................................................. 42
Disconnect Switch (Optional) ............................................................................................................. 42
How to Open the Electrical Enclosure ............................................................................................... 42
Condensate Pumps (Optional) .......................................................................................................... 42
Condensate Probe ............................................................................................................................ 43
Water Sensing Cable (Optional) ........................................................................................................ 43
Remote Temperature and Humidity Sensors (Optional) ..................................................................... 43
Manual Override Switch Board .......................................................................................................... 44
Plug Fan Current Sensing Switch ...................................................................................................... 44
Wiring Diagrams ................................................................................................................................ 45
Electronic Expansion Valve ............................................................................................................... 45
Electrical Connection to EEV ...................................................................................................... 45
INSTALLATION OF REMOTE OUTDOOR HEAT EXCHANGER ................................................ 46
CHARGING .................................................................................................................................. 47
Charging/Installation Work Procedures ............................................................................................. 47
Triple Evacuation and Dehydration Procedure................................................................................... 47
Tools Needed ............................................................................................................................. 48
First Stage Evacuation ............................................................................................................... 48
Second Stage Evacuation .......................................................................................................... 49
Third Stage Evacuation .............................................................................................................. 49
Final Evacuation Stage ............................................................................................................... 50
General Pre-Charging Guidelines ...................................................................................................... 50
Voltage Phase Check ........................................................................................................................ 51
Evaporator Phase Check ............................................................................................................ 51
Fixed Speed Scroll Compressor Phase Check ........................................................................... 52
Variable Speed Compressor Phase Check ................................................................................. 52
Heat Exchanger Phase Check .................................................................................................... 53
Line Set Charge Calculations ............................................................................................................ 53
Component Functional Test ............................................................................................................... 53
Charging Procedures ......................................................................................................................... 54
Refrigerant Handling .................................................................................................................. 54
Air-cooled System Charging ....................................................................................................... 54
Pre-Charge Fixed Speed Compressor ........................................................................................ 55
Charging the Fixed Speed Compressor ...................................................................................... 56
Additional Oil .............................................................................................................................. 57
Pre-Charge Variable Speed Compressor ................................................................................... 58
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