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CONTROL BOARD PIN DEFINITIONS
CONNECTOR PIN INPUT OUTPUT FUNCTION
J2 1 H
Z Feedback from evaporator fan. Evaporator fan feedback is not
read for this application.
J2 2 VDC
Model pin selection.
J2 3 VDC Evaporator fan and condenser fan common.
J2 4 VDC Output to evaporator fan for motor operation. Effective voltage is
determined by pulse width modulation.
J2 5 VDC Output to condenser fan for motor operation. Effective voltage is
determined by pulse width modulation.
J2 6 VDC Common to fresh food fan for motor operation. Switched for
pulse width modulation fan speed control. Effective voltage is
determined by pulse width modulation.
J2 7 VDC Switched common to CustomCool™ fan.
J2 8 VDC Provides 12-VDC supply voltage to all fans, constant voltage.
CONTROL BOARD PIN DEFINITIONS
CONNECTOR PIN INPUT OUTPUT FUNCTION
J3 1 VDC Output to beverage center fan for motor operation. Effective
voltage is determined by pulse width modulation.
J3 3 VDC Output to QuickFreeze™ fan for motor operation. Effective voltage
is determined by pulse width modulation.
J3 6 VDC 3-Way valve.
J3 7 VDC 3-Way valve.
J3 8 VDC 3-Way valve.
J3 9 VDC 3-Way valve.
J3 10 VDC 3-Way valve.
CONTROL BOARD PIN DEFINITIONS
CONNECTOR PIN INPUT OUTPUT FUNCTION
J4 1 D
IGITAL
Communication
DIGITAL
Communication
2-way communication between main control
board and LCD board.
J4 2 VDC 12-VDC supply.
J4 3 VDC DC common.
(Continued next page)
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