York YT ユーザーズマニュアル

ページ / 156
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