Data Aire DAPA-2.5 Installation, Operation & Maintenance Manual page 4

TABLE OF CONTENTS
General Electrical Field Wiring Guidelines .................................................................................. 36
Electrical Service ......................................................................................................................... 37
Nameplate Ratings ...................................................................................................................... 37
Grounding .................................................................................................................................... 37
Voltage Tolerance ....................................................................................................................... 37
Three Phase Voltage Tolerance ......................................................................................... 37
Single-Phase Voltage Tolerance......................................................................................... 38
Heat Exchanger Auxiliary Control Wiring .................................................................................... 38
Remote Shutdown ....................................................................................................................... 39
Mini-dap4 Controller .................................................................................................................... 39
Remote Alarm Contacts .............................................................................................................. 39
Remote Sensors ......................................................................................................................... 40
Condensate Pumps ..................................................................................................................... 40
Disconnect Switch (Optional) ...................................................................................................... 40
Manual Override Switch Board ................................................................................................... 41
Wiring Diagrams .......................................................................................................................... 42
INSTALLATION OF REMOTE OUTDOOR HEAT EXCHANGER ....................................42
CHARGING ....................................................................................................................43
Package Air-Cooled Systems ..................................................................................................... 43
Charging/Installation Work Procedures ...................................................................................... 43
Triple Evacuation and Dehydration Procedure ........................................................................... 43
Tools Needed ...................................................................................................................... 44
First Stage Evacuation ........................................................................................................ 44
Second Stage Evacuation ................................................................................................... 45
Third Stage Evacuation ....................................................................................................... 45
Final Evacuation Stage ....................................................................................................... 46
General Pre-Charging Guidelines ............................................................................................... 46
Voltage Phase Check .................................................................................................................. 47
Evaporator Power Phase Check ......................................................................................... 47
Fixed Speed Scroll Compressor Phase Check ................................................................... 47
Heat Exchanger Phase Check ............................................................................................ 48
GHRC Air-Cooled Heat Exchanger Phase Check .............................................................. 48
DARC Heat Exchangers Phase Check ............................................................................... 48
Line Set Charge Calculations ...................................................................................................... 48
Component Functional Test ........................................................................................................ 49
Charging Procedures .................................................................................................................. 49
Refrigerant Handling ........................................................................................................... 50
Air Cooled Split System Charging ....................................................................................... 50
Charging the Fixed Speed Compressor .............................................................................. 52
Additional Oil ....................................................................................................................... 54
Flooded System Charging (Systems with Low Ambient Receiver Package)...................... 54
Refrigerant Receiver ........................................................................................................... 55
Applications ......................................................................................................................... 55
Selection Guidelines ........................................................................................................... 55
Receiver Location................................................................................................................ 56
Safety Relief Devices .......................................................................................................... 56
Receiver Installation ............................................................................................................ 56
Charge Fixed Speed Compressor....................................................................................... 58
Water/Glycol-Cooled System Charging .............................................................................. 58
Important Refrigeration Components .......................................................................................... 59
Thermal Expansion Valve ................................................................................................... 59
High Pressure Cutout Switch .............................................................................................. 60
4