Service Monitor User Manual
Danfoss Turbocor Compressors Inc. 49
ECD-00007M Rev. 1
6.9.7 Compressor Controller Impeller
Specific Settings
Select the “Impeller Settings” tab to view the compressor
controller impeller specific settings. The parameters shown
are those that define the operational envelope of the specific
compressor model.
Table 19 Electronic Valve Data / Tuning Parameters (Analog Output)
Parameter Description
Analog Control Mode Selects which control variable will be maintained by the 0-10VDC
output labeled “ANALOG” on the Chiller Interface module.
The options are:
• Load Balance Valve
• Discharge Pressure
• Inlet Guide Vane %
• Superheat – Flange TP
• Superheat – FlangeP, EWT
• Superheat – FlangeP, LIQT
• Suction Pressure
•Leaving Temp
• Entering Temp
•Liquid Temp
Auto/Manual Selects the compressor control mode. In automatic mode the
compressor has complete control over the stepper motor output. In
Manual mode the user is able to enter the valve position.
Analog Output Starting % Percentage of maximum voltage sent to the terminals on start of the
compressor. The analog output will hold at this position until start delay
timer has expired.
Analog Output Start Delay Amount of time from compressor start to hold the voltage at the startup
percentage. Value is in seconds and starts to count down when the
drive enables.
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