Data Aire gForce Ultra Installation, Operation & Maintenance Manual page 5

Charging the Variable Speed Compressor ................................................................................. 59
Flooded System Charging (Systems with Low Ambient Receiver Package) ............................... 61
Low Ambient Receiver Package ................................................................................................. 62
Additional Oil .............................................................................................................................. 67
Commissioning a Running Compressor............................................................................................. 67
GLYCOL SYSTEMS ..................................................................................................................... 68
Glycol Concentration ......................................................................................................................... 68
Internal (Fluid) Volume ...................................................................................................................... 68
Brazed-Plate Fin Condensers ............................................................................................................ 69
Water Treatment ............................................................................................................................... 69
Scale Treatment ......................................................................................................................... 69
Undissolved Solids (turbid water) ............................................................................................... 69
Dissolved Products ..................................................................................................................... 69
Cleaning ..................................................................................................................................... 70
Corrosion Protection ................................................................................................................... 70
Fluid Cooler ....................................................................................................................................... 70
Type L Copper Tubing Internal Volume ............................................................................................. 71
Freezing Point of Aqueous Solutions ................................................................................................. 71
Mixing Glycol and Water .................................................................................................................... 71
Important Refrigeration Components ....................................................................................... 73
Variable Speed Compressor (VSC) Features .................................................................................... 73
Oil Management ................................................................................................................................ 73
Crankcase Heaters ............................................................................................................................ 73
Oil Level ............................................................................................................................................ 74
Variable Frequency Drive (VFD) ........................................................................................................ 74
Local Control for Charging ................................................................................................................. 75
To View the Drive Alarms ........................................................................................................... 75
VFD Parameter Settings .................................................................................................................... 76
VFD parameter settings - Danfoss CDS-803 Drive (22 kW Ultra units) ..................................... 77
VFD parameter settings - Danfoss CDS-303 Drive (36 to 125 kW Ultra units) .......................... 78
Programing the VFD for Modbus Communications ............................................................................ 78
Program Danfoss CDS-803 VFD for Modbus Communication .................................................... 78
Program Danfoss CDS-303 VFD for Modbus Communication .................................................... 79
Programming CDS303 VFDs with MCB105 Relay Card .................................................................... 80
Setting pCOe and c.pCOe Expansion Modules ................................................................................. 83
pCOe Expansion Module P/N 160-700-008 ................................................................................ 83
c.pCOe Expansion Module P/N 160-700-016 ............................................................................. 84
Remote Heat Exchangers ................................................................................................................. 85
High Pressure Cutout Switch ............................................................................................................. 85
Low Pressure Cutout Switch .............................................................................................................. 85
Liquid Line Solenoid Valve ................................................................................................................. 85
Energy Saver Cooling (Optional) ....................................................................................................... 85
CONTROLS ................................................................................................................................. 87
dap4 Microprocessor Controller ......................................................................................................... 87
dap4 Factory Settings ........................................................................................................................ 87
dap4 Universal Security Access: ................................................................................................ 87
gForce Ultra Settings: ................................................................................................................. 88
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