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YORK INTERNATIONAL
48
FORM 160.55-O1 (604)
VARIABLE SPEED DRIVE DETAILS SCREEN
(STYLE D VSD AND VSD WITH PART NUMBER 371-03789-XXX
(503 HP 60 HZ; 410 HP 50 HZ)
OVERVIEW
This screen displays more detailed information pertain-
ing to a Variable Speed Drive (VSD). Flash Memory
Card version C.MLM.02.04.xxx (and later) is required
for VSD part number 371-03789-xxx (503HP 60Hz;
419 HP 50Hz). Service Tech ni cians refer to YORK
Service Manual 160.55-M1 for operation instructions
and explanation of all pro gram ma ble setpoints and
displayed values.
DISPLAY ONLY
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 0-20mA, 4-20mA, 0-10VDC or 2-10VDC
input in An a log Remote mode, PWM signal in Digital
Remote mode, MicroGateway interface in ISN mode or
a locally pro grammed value.
Pulldown Demand Time Left
Displays the time remaining in the pro grammed pull-
down period if the value is non-zero.
Water Pump Output (LED)
Indicates whether the relay controlling the wa ter pump
output is energized.
Precharge Relay Output (LED)
Indicates whether the relay controlling the precharge
output is energized.
Trigger SCR Output (LED)
Indicates whether the relay controlling the trig ger SCR
output is energized.
DC Bus Voltage
Displays the DC Bus voltage as reported by the VSD.
DC Inverter Link Current
Displays the DC Inverter link current as re port ed by
the VSD.
LD09096
FIG. 20
OptiView Control Center