Variable Speed Drive (VSD) details screen
Figure 40: VSD details screen
This screen displays more detailed information pertaining to a Variable Speed Drive (VSD) part
number 371-03789-xxx (503HP 60Hz; 419HP 50Hz).
Note: Requires a login access level of SERVICE.
Table 110: Display only
Field/LED
name
Access level Description
Motor Run
(LED)
–
Indicates whether the digital output from the controls is
commanding the motor to RUN.
Motor
Current %
Full Load
Amps
–
Displays the motor current as a percentage of the Full Load Amps
(FLA) value. For the Variable Speed Drive this is the data returned by
the VSD Logic Board.
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.
Water Pump
Output (LED)
–
Indicates whether the relay controlling the water pump output is
energized.
111YK-EP Style B Centrifugal Chiller
To Next Page
Loading...
Need help?
General