Data Aire gForce Ultra User Manual page 4

3.13 Wiring Diagrams ..................................................................................................31
4. INSTALLATION OF REMOTE OUTDOOR HEAT EXCHANGER ................................ 32
5. CHARGING ....................................................................................................... 32
General Charging Guidelines .................................................................................32
5.1
Voltage Phase Check ............................................................................................32
5.2
5.2.1 Evaporator ........................................................................................... 32
5.2.2 Secondary Heat Exchanger .................................................................... 33
5.2.3 Fan Speed Control System .................................................................... 34
Air Cooled Systems ..............................................................................................34
5.3
5.3.1 Charging .............................................................................................. 34
5.3.2 Flooded System Charging ...................................................................... 37
Water/Glycol System ............................................................................................41
5.4
5.4.1 Water/Glycol Cooled System Charging ................................................... 41
Check a Running Compressor ................................................................................42
5.5
Refrigerant Handling ............................................................................................42
5.6
Commissioning ....................................................................................................43
5.7
Important Refrigeration Components .....................................................................43
5.8
5.8.1 Variable Capacity Compressor with VFD ................................................. 43
5.8.2 Electronic Expansion Valve .................................................................... 44
5.8.3 High Pressure Cutout Switch ................................................................. 44
5.8.4 Low Pressure Cutout Switch .................................................................. 44
5.8.5 Liquid Line Solenoid Valve ..................................................................... 44
6. GLYCOL SYSTEMS ............................................................................................ 46
Glycol Concentration ............................................................................................46
6.1
Internal (Fluid) Volume - Downflow Units ..............................................................46
6.2
Internal (Fluid) Volume - Upflow Units ..................................................................46
6.3
Internal (Fluid) Volume - Fluid Coolers ..................................................................47
6.4
6.4.1 Fluid Cooler Information........................................................................ 47
7. Variable Speed Compressor............................................................................... 48
Features ..............................................................................................................48
7.1
Oil Management ..................................................................................................48
7.2
Crankcase Heaters ...............................................................................................48
7.3
Oil Level ..............................................................................................................49
7.4
VFD Drive ............................................................................................................50
7.5
7.5.1 Local Control for Charging ..................................................................... 51
7.5.2 View Drive Alarms ................................................................................ 52
8. CONTROLS ...................................................................................................... 53
dap4™ Microprocessor Control Panel .....................................................................53
8.1
8.1.1 Control Module ..................................................................................... 53
8.1.2 Display Module ..................................................................................... 54
8.1.3 Buttons ................................................................................................ 54
8.1.4 Accessing Menus/Passwords .................................................................. 54
8.1.5 Changing the Service Level Password..................................................... 56
Entering Menu Settings ........................................................................................56
8.2
4 ● gForce Ultra User Manual 10-2014