York OPTIVIEW YK Service Manual

27
SECTION 2 - SYSTEM ARCHITECTURE
FORM 160.54-M1
ISSUE DATE: 10/25/2019
JOHNSON CONTROLS JCI COMPANY CONFIDENTIAL
2
FIGURE 6 - OPTIVIEW CONTROL CENTER - COMPRESSOR MOTOR VARIABLE SPEED DRIVE (MODBUS
SERIAL COMMUNICATIONS PROTOCOL)
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
COMPRESSOR
VSD
LOGIC
BOARD
+12 / -12 / +5 VDC
OIL PUMP VSD SPEED CONTROL
RS-232 / RS-485 SERIAL DATA
TX/RX
SERIAL DATA
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
RS-485 MODBUS
SERIAL DATA
(ACC)
PRE-ROTATION VANES POSITION
(VARIABLE GEOMETRY DIFFUSER W/O HOT GAS BYPASS)
LTC
I/O BOARD
HOT GAS VALVE
HEAT RECOVERY VALVE
HEAD PRESSURE VALVE
HEATING CONDENSER
FLOW SWITCH
HEATING CONDENSER
TEMPERATURES
MOTOR
MONITORING
BOARD
WINDING TEMPERATURES
BEARING TEMPERATURES
VIBRATION
COOLING LEAK DETECTOR
MODBUS SERIAL DATA
LD09561e1

York OPTIVIEW YK Specifications

General

Brand	York
Model	OPTIVIEW YK
Category	Controller
Language	English