Variable Speed Drive (VSD) screen
Figure 38: Variable Speed Drive screen
This screen displays information pertaining to a Variable Speed Drive (VSD).
Table 103: Display only
Field/LED name Description
Motor Run (LED)
Indicates whether the digital output from the controls is
commanding the motor to RUN. Only displayed if this option is
installed.
Motor Heater (LED) Indicates whether the optional Motor Heater is ON or OFF.
Motor Current % Full Load
Amps
Displays the motor current as a percentage of the Full Load Amps
(FLA) value.
Current Limit Setpoint
Displays the current limit value in use. This value could come from
a 0 to 20mA, 4 to 20mA, 0 to 10VDC or 2 to 10VDC input in Analog
Remote mode, PWM signal in Digital Remote mode, E-Link or SC-
EQ communications interface in ISN mode, or a locally programmed
value.
Pulldown Demand Time Left
Displays the time remaining in the programmed pulldown period if
the value is nonzero.
Output Voltage Displays the output voltage measured to the motor.
Output Frequency Displays the present output frequency to the motor.
Input Power
Displays the total kilowatts measured by the VSD or Harmonic Filter,
if installed.
YK-EP Style B Centrifugal Chiller106
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