COMPONENT DESCRIPTION: Control Box
Contactor: A definite purpose contactor
connecting the compressor to the power supply.
Circuit Board: Controlling the ice machine
through sensors and relays. The sensors are for
ice level and water level. The relays are for the
gear motor (with a built in time delay to clear the
evaporator of ice when the unit turns off) and for
the compressor. The reset switch is mounted on
the circuit board.
On/Off Switch: Manual control for the machine.
Transformer: Supplies low voltage to the circuit
board.
Potential Relay: The compressor
start relay.
Reset Switch: Part of Circuit
Board, manual reset. Lights up
when unit shuts off from: ice
discharge chute being overfilled
(opening the microswitch at the
top of the chute); low or high
pressure switches opening.
Portion Control Module: Controls
the amount of time the dipensing
drive motor is on. The time is
varied by adjusting the portion
control knob.
PORTION CONTROL
POTENTIAL RELAY
CONTACTOR
TRANSFORMER
CIRCUIT BOARD
RESET SWITCH
ND750
January, 1989
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