Variable Speed Drive (Vsd) Screen - York YK-EP Operation And Maintenance Manual

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
Motor Run (LED)
Motor Heater (LED)
Motor Current % Full Load
Amps
Current Limit Setpoint
Pulldown Demand Time Left
Output Voltage
Output Frequency
Input Power
106
Description
Indicates whether the digital output from the controls is
commanding the motor to RUN. Only displayed if this option is
installed.
Indicates whether the optional Motor Heater is ON or OFF.
Displays the motor current as a percentage of the Full Load Amps
(FLA) value.
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.
Displays the time remaining in the programmed pulldown period if
the value is nonzero.
Displays the output voltage measured to the motor.
Displays the present output frequency to the motor.
Displays the total kilowatts measured by the VSD or Harmonic Filter,
if installed.
YK-EP Style B Centrifugal Chiller