26
FORM 160.54-M1
ISSUE DATE: 10/25/2019
SECTION 2 - SYSTEM ARCHITECTURE
JCI COMPANY CONFIDENTIAL JOHNSON CONTROLS
FIGURE 5 - OPTIVIEW CONTROL CENTER - COMPRESSOR MOTOR VARIABLE SPEED DRIVE (YORK SERIAL
COMMUNICATIONS PROTOCOL)
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
STATUS / ALARM
CHILLER SOLENOID VALVES
OIL PUMP STARTER
OIL HEATER ON/OFF
CHILLED AND 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
VSD
LOGIC
BOARD
VSD
FILTER
BOARD
FACTORY-MOUNTED CHILLED AND CONDENSER LIQUID THERMAL-TYPE
FLOW SENSORS (STYLE "F" AND LATER CHILLERS)
CHILLER TEMPERATURES AND PRESSURES
CONDENSER REFRIGERANT LEVEL
H
IGH SPEED THRUST BEARING POSITION (NOT APPLICAB
LE TO "P" COMPRESSORS
AND STYLE "F" AND LATER CHILLERS WITH "G" AND "H5-8" COMPRESSORS)
REMOTE LEAVING CHILLED WATER TEMP AND
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 AND 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 AND CURRENT
LIMIT SETPOINTS (CONTACT CLOSURE)
HIGH SPEED THRUST BEARING LIMIT SWITCH ("P" COMPRESSORS AND
STYLE "F" AND LATER CHILLERS WITH "G, Q" AND "H5-8" COMPRESSORS)
VARIABLE ORIFICE CONTROL
PRE-ROTATION VANE CONTROL
VARIABLE GEOMETRY DIFFUSER CONTROL
YORK PROTOCOL
SERIAL DATA
LTC
I/O BOARD
HOT GAS VALVE
HEAT RECOVERY VALVE
HEAD PRESSURE VALVE
HEATING CONDENSER
FLOW SWITCH
TEMPERATURES
MOTOR
MONITORING
BOARD
WINDING TEMPERATURES
BEARING TEMPERATURES
VIBRATION
MODBUS
SERIAL
DATA
LD09561d1