4
Electrical Installation ............................................................................................................................. 34
Commissioning Information .................................................................................................................. 35
3.0 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
Remote Alarm Contacts ....................................................................................................................... 40
dap4 Controller ..................................................................................................................................... 41
Disconnect Switch (Optional) ............................................................................................................... 41
How to Open the Electrical Enclosure Panel ........................................................................................ 41
Condensate Pumps (Optional) ............................................................................................................. 42
Condensate Probe ............................................................................................................................... 42
Water Sensing Cable (Optional) ........................................................................................................... 43
Remote Temperature and Humidity Sensors (Optional) ....................................................................... 43
Manual Override Switch Board ............................................................................................................. 43
Plug Fan Current Sensing Switch ........................................................................................................ 44
Wiring Diagrams ................................................................................................................................... 44
Electronic Expansion Valve Optional ................................................................................................... 44
Electrical Connection to EEV ..................................................................................................... 44
4.0 INSTALLATION OF REMOTE OUTDOOR HEAT EXCHANGER ................................................................ 45
5.0 CHARGING ................................................................................................................................................. 46
Charging/Installation Work Procedures ................................................................................................ 46
Triple Evacuation and Dehydration Procedure ..................................................................................... 46
Tools Needed ................................................................................................................................ 47
First Stage Evacuation .................................................................................................................. 47
Second Stage Evacuation ............................................................................................................. 48
Third Stage Evacuation ................................................................................................................. 48
Final Evacuation Stage ................................................................................................................. 49
General Pre-Charging Guidelines ........................................................................................................ 49
Voltage Phase Check ........................................................................................................................... 50
Evaporator Power Phase Check ................................................................................................... 50
Fixed Speed Scroll Compressor Phase Check ............................................................................. 50
Heat Exchanger Phase Check ...................................................................................................... 51
Line Set Charge Calculations ............................................................................................................... 51
Component Functional Test ................................................................................................................. 52
CHARGING PROCEDURES ................................................................................................................ 52
Refrigerant Handling ..................................................................................................................... 52
Air Cooled System Charging ......................................................................................................... 52
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