Table 35: Display only fields
Field/LED name Description
Head Pressure
Displays the difference between condenser refrigerant pressure and
evaporator refrigerant pressure.
Entering Condenser
Liquid Temperature
Displays the temperature of the condenser liquid entering the
condenser.
Capacity Control
Output Devices
Displays the following for each of the devices that is available: VSD
(Variable Speed Drive), VGD (Variable Geometry Diffuser) or HGBP (Hot
Gas Bypass Valve)
• Active Output (LED): Indicates which device is currently selected by
the control for manipulation.
• Command: Displays the output command from the control to the
device in Hertz to the VSD or in percent of full open to the VGD or
HGBP valve.
• Feedback: Displays the present speed feedback from the VSD or
present position feedback from the VGD.
• Control Mode: Displays whether the device is under Automatic or
Manual control.
• Active Min: Displays the prevailing minimum value to which the
control to the device is limited, based upon surge controls or
operating limits.
Table 36: Navigation
Button Description
Home Causes and instant return to the Home Screen.
Compressor Causes an instant navigation to the Compressor Screen.
VSD Causes an instant navigation to the VSD Screen.
YMC
2
Mod B with OptiView
™
Control Center
62
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