York YCUL0045E, Установка, эксплуатация и обслуживание

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JOHNSON CONTROLS
98
FORM 150.63-NM8 (1020)
SERVICE AND TROUBLESHOOTING
* The 30 dc unregulated supply is not an input. This voltage originates on the I/O Board and is used to supply the contacts for the digital in -
puts.
TABLE 28 – I/O BOARD DIGITAL OUTPUTS
TABLE 26 – I/O BOARD DIGITAL INPUTS
J13-1 30VDC UNREGULATED SUPPLY
J13-2 UNIT ON/OFF SWITCH
J13-3
PWM TEMP RESET OR LOAD LIMIT STAGE 2
ON 3, 5 & 6 COMP UNITS
J13-4 LOAD LIMIT STAGE 1
J13-5
SYS 1 ZONE THERMOSTAT AND REMOTE START
/ STOP
J13-6
SYS 2 ZONE THERMOSTAT AND REMOTE START
/ STOP
J13-7
SINGLE SYSTEM SELECT
(JUMPER = SINGLE SYS,
NO JUMPER=TWO SYS)
J13-8
CR1 (SYS 1 MOTOR PROTECTOR /
HIGH PRESS CUTOUT)
J13-10
CR2 (SYS 2 MOTOR PROTECTOR /
HIGH PRESS CUTOUT)
TB7-2 SYS 1 COMPRESSOR 1
TB7-3
SYS 1 LIQUID LINE SOLENOID VALVE OR EEV
PILOT SOLENOID
TB7-4 SYS 1 COMPRESSOR 2
TB7-5 SYS 1 COMPRESSOR 3
TB7-7 SYS 1 HOT GAS BYPASS VALVE
TB10-2 SYS 2 COMPRESSOR 1
TB10-3
SYS 2 LIQUID LINE SOLENOID VALVE OR EEV
PILOT SOLENOID
TB10-4 SYS 2 COMPRESSOR 2
TB10-5 SYS 2 COMPRESSOR 3
TB7-8 SYS 1 CONDENSER FAN OUTPUT 1
TB7-9 SYS 1 CONDENSER FAN OUTPUT 2
TB7-10 SYS 1 CONDENSER FAN OUTPUT 3
TB10-8
SYS 2 CONDENSER FAN OUTPUT 1
TB10-9 SYS 2 CONDENSER FAN OUTPUT 2
TB10-10 SYS 2 CONDENSER FAN OUTPUT 3
TB8-3 SYS 1 ALARM
TB9-2
SYS 2 ALARM
TB8-6 &
TB8-7
EVAPORATOR PUMP / BLOWER STARTER
TB10-7 SYS 2 HOT GAS BYPASS VALVE
TABLE 27
– I/O BOARD ANALOG INPUTS
J7-10 SYS 1 SUCTION PRESS TRANSDUCER
J11-7 TO
J11-12
UNIT TYPE:CHILLER = NO JUMPER J11-7 TO
J11-12
YCUL CONDENSING UNIT = JUMPER J11-7
TO J11-12
J7-11
SYS 1 DISCHARGE PRESSURE
TRANSDUCER (OPTIONAL)
J11-11 REMOTE TEMPERATURE RESET
J8-8
SYS 1 SUCTION TEMP SENSOR COND UNITS
J10-8
SYS 2 SUCTION TEMP SENSOR COND UNITS
J6-9 AMBIENT AIR TEMPERATURE SENSOR
J6-8 DISCHARGE AIR
J9-10 SYS 2 SUCTION PRESSURE TRANSDUCER
J9-11
SYS 2 SUCTION PRESSURE TRANSDUCER
(OPTIONAL)
J7-12
SYS 1 MOTOR VOLTS
J9-12
SYS 2 MOTOR VOLTS