YORK INTERNATIONAL
16
FORM 160.54-M1(503)
FIG. 4 – OPTIVIEW CONTROL CENTER - COMPRESSOR MOTOR VARIABLE SPEED DRIVE
LD09039
System Ar chi tec ture
RX
SERIAL DATA
POWER
SUPPLY
DIGITAL
IN
MICRO BOARD
I / O BOARD
TRIAC
OUT
RELAY
OUT
KEYPAD
DISPLAY
INTERFACE
BOARD
LIQUID
CRYSTAL
DISPLAY
LAMP
BACKLIGHT
INVERTER
BOARD
LAMP
CONTROL
ROW IN
COLUMN OUT
DISPLAY DATA
VARIABLE ORIFICE CONTROL
PRE-ROTATION VANE CONTROL
STATUS / ALARM
CHILLER SOLENOID VALVES
OIL PUMP STARTER
OIL HEATER ON/OFF
CHILLED & CONDENSER WATER PUMP STARTERS
COMPRESSOR
MOTOR START
EVAP PRESSURE
COND PRESSURE
COMPRESSOR
VSD
ADAPTIVE
CAPACITY
CONTROL
BOARD
+ 24 VDC
+12 / -12 / +5 VDC
OIL PUMP VSD SPEED CONTROL
RS-232 / RS-485 SERIAL DATA
VANE
POSITION
TO VARIABLE SPEED DRIVE (VSD)
TX / RX
SERIAL DATA
TX/RX
SERIAL DATA
VSD
LOGIC
BOARD
VSD
FILTER
BOARD
FACTORY-MOUNTED CHILLED AND CONDENSER LIQUID THERMAL-TYPE
FLOW SENSORS (STYLE "F" AND LATER CHILLERS)
CHILLER TEMPERATURES & PRESSURES
CONDENSER REFRIGERANT LEVEL
HIGH SPEED THRUST BEARING POSITION (NOT APPLICABLE TO "P" COMPRESSORS
AND STYLE "F" AND LATER CHILLERS WITH "G" AND "H5-8" COMPRESSORS)
REMOTE LEAVING CHILLED WATER TEMP &
CURRENT LIMIT SETPOINTS (0-20mA, 4-20 mA / 0 - 10 VDC, 2-10VDC)
VANE MOTOR SWITCH
REMOTE CYCLING
HIGH PRESSURE SAFETY
LOCAL START / STOP SWITCH
CHILLED & CONDENSER WATER FLOW SWITCHES (STYLE "E" AND
EARLIER CHILLERS; OPTIONAL STYLE F AND LATER CHILLERS WITH
FLASH MEMORY CARD VERSION C.MLM.01.08.XXX OR LATER VERSIONS)
OIL PUMP VSD CYCLING STATUS
MOTOR CONTROLLER SHUTDOWN
REMOTE LEAVING CHILLED WATER TEMP & CURRENT
LIMIT SETPOINTS (CONTACT CLOSURE)
HIGH SPEED THRUST BEARING LIMIT SWITCH ("P" COMPRESSORS AND
STYLE "F" AND LATER CHILLERS WITH "G" AND "H5-8" COMPRESSORS)