York YCAL0080SC manual Microboard Binary Inputs, Microboard Analog Inputs, Sys 1 Low Press Switch

TABLE 44 – MICROBOARD BINARY INPUTS

*J9-1	30VDC UNREGULATED SUPPLY
J9-2	UNIT ON/OFF SWITCH
J9-3	PWM TEMP RESET
	OR LOAD LIMIT STAGE 2 ON 3 & 6 COMP UNITS
J9-4	LOAD LIMIT STAGE 1
J9-5	FLOW SWITCH AND REMOTE START / STOP
	(SYS 1 ZONE THERMOSTAT - YCUL ONLY)
J9-6	SYSTEM 2 ZONE THERMOSTAT - YCUL ONLY
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 45 – MICROBOARD ANALOG INPUTS

J4-10	Sys 1 Suction Press Transducer or
	Sys 1 Low Press Switch
J4-11	SPARE
J4-12	Sys 1 Discharge Pressure Transducer (optional)
J5-12	Sys 1 Suction Temp Sensor - YCUL Option
J5-13	Sys 2 Suction Temp Sensor - YCUL Option
J5-14	SPARE
J5-15	SPARE
J6-7	Ambient Air Temperature Sensor
J6-8	Leaving Chilled Liquid Temperature Sensor
	Return Chilled Liquid Temperature Sensor
J6-9	or
	Discharge Air Temp Sensor - YCUL Only
J7-10	Sys 2 Suct Press Transducer
	or
	Sys 2 Low Press Switch
J7-11	SPARE
J7-12	Sys 2 Discharge Pressure Transducer (optional)
J8-5	Sys 1 Ground Fault Circuit
J8-6	Sys 2 Ground Fault Circuit

	FORM 150.62-NM1
TABLE 46 – MICROBOARD OUTPUTS
TB3-2	SYSTEM 1 COMPRESSOR 1
TB3-3	SYS 1 LIQUID LINE SOLENOID VALVE
TB3-4	SYSTEM 1 COMPRESSOR 2
TB3-5	SYSTEM 1 COMPRESSOR 3
TB3-6	SYSTEM 1 HOT GAS BYPASS VALVE
TB3-8	SYSTEM 2 COMPRESSOR 1
TB3-9	SYS 2 LIQUID LINE SOLENOID VALVE
TB3-10	SYSTEM 2 COMPRESSOR 2
TB4-1	SYSTEM 2 COMPRESSOR 3
TB4-2	SYS 1 CONDENSER FAN STAGE 1
TB4-4	SYS 1 CONDENSER FAN STAGE 2
TB4-5	SYS 1 CONDENSER FAN STAGE 3
TB4-6	SYS 2 CONDENSER FAN STAGE 1
TB4-8	SYS 2 CONDENSER FAN STAGE 2
TB4-9	SYS 2 CONDENSER FAN STAGE 3
TB4-10	EVAPORATOR HEATER
TB5-1	SYSTEM 1 ALARM
TB5-2	SYSTEM 2 ALARM
TB5-3	EVAPORATOR PUMP STARTER

3

*The 30 dc unregulated supply is not an input. This voltage originates on the microboard and is used to supply the contacts for the binary inputs.

YORK INTERNATIONAL 97