Microboard Digital Inputs; Microboard Analog Inputs; Microboard Digital Outputs; Microboard Analog Outputs - York YCAL0043E Series Installation Operation & Maintenance

TABLE 32 – MICROBOARD DIGITAL INPUTS
*J9-1 30VDC UNREGULATED SUPPLY
J9-2 UNIT ON/OFF SWITCH
J9-3 PWM TEMP RESET
OR LOAD LIMIT STAGE 2 ON 3, 5 & 6 COMP UNITS
J9-4 LOAD LIMIT STAGE 1
J9-5 FLOW SWITCH AND REMOTE START / STOP
J9-6 SPARE
J9-7 SINGLE SYSTEM SELECT
(JUMPER = SINGLE SYS, NO JUMPER=TWO SYS)
J9-8 CR1 (SYS 1 MOTOR PROTECTOR / HIGH
PRESS CUTOUT)
J9-9 CR2 (SYS 2 MOTOR PROTECTOR / HIGH
PRESS CUTOUT)
TABLE 33 – MICROBOARD ANALOG INPUTS
J4-10 SYS 1 SUCTION PRESS TRANSDUCER OR
SYS 1 LOW PRESS SWITCH
J4-11 UNIT TYPE: CHILLER =
YCUL CONDENSING UNIT =
J4-12 SYS 1 DISCHARGE PRESSURE TRANSDUCER (OPTIONAL)
J5-11 SPARE
J5-12 SYS 1 COOLER INLET REFRIGERANT TEMP SENSOR (R-407C)
J5-13 SYS 2 COOLER INLET REFRIGERANT TEMP. SENSOR (R-407C)
J5-14 SYS 1 SUCTION TEMP SENSOR (EEV OPTION)
J5-15 SYS 2 SUCTION TEMP SENSOR (EEV OPTION)
J6-7 AMBIENT AIR TEMPERATURE SENSOR
J6-8 LEAVING CHILLED LIQUID TEMPERATURE SENSOR
J6-9 RETURN CHILLED LIQUID TEMPERATURE SENSOR
J7-10 SYS 2 SUCTION PRESSURE TRANSDUCER OR
SYS 2 LOW PRESSURE SWITCH
J7-11 SPARE
J7-12 SYS 2 DISCHARGE PRESSURE TRANSDUCER (op tion al)
J8-5 UNIT/SYS 1 VOLTAGE
J8-6 SYS 2 VOLTAGE
* The 30 dc unregulated supply is not an input. This voltage originates on the microboard and is used to supply the contacts for the digital
inputs.
YORK INTERNATIONAL
TABLE 34 – MICROBOARD DIGITAL OUTPUTS
NO JUMPER J4-6 TO J4-11
JUMPER J4-6 TO J4-11
TB3-2 SYS 1 COMPRESSOR 1
TB3-3 SYS 1 LIQUID LINE SOLENOID VALVE OR EEV
PILOT SOLENOID
TB3-4 SYS 1 COMPRESSOR 2
TB3-5 SYS 1 COMPRESSOR 3
TB3-6 SYS 1 HOT GAS BYPASS VALVE
TB3-8 SYS 2 COMPRESSOR 1
TB3-9 SYS 2 LIQUID LINE SOLENOID VALVE OR EEV
PILOT SOLENOID
TB3-10 SYS 2 COMPRESSOR 2
TB4-1 SYS 2 COMPRESSOR 3
TB4-2 SYS 1 CONDENSER FAN OUTPUT 1
TB4-4 SYS 1 CONDENSER FAN OUTPUT 2
TB4-5 SYS 1 CONDENSER FAN OUTPUT 3
TB4-6 SYS 2 CONDENSER FAN OUTPUT 1
TB4-8 SYS 2 CONDENSER FAN OUTPUT 2
TB4-9 SYS 2 CONDENSER FAN OUTPUT 3
TB4-10 EVAPORATOR HEATER
TB5-1 SYS 1 ALARM
TB5-2 SYS 2 ALARM
TB5-3 EVAPORATOR PUMP STARTER
TABLE 35 – MICROBOARD ANALOG
OUTPUTS
J10-1/J10-2 SYS 1 EEV OUTPUT
J10-3/J10-4 SYS 2 EEV OUTPUT
J10-5/J10-6 SPARE
J10-7/J10-8 SPARE
FORM 150.62-NM7 (103)
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