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NSE654
COMPONENT DESCRIPTION: Control Box
Contactor: A definite purpose contactor
connecting the compressor and the remote
condenser fan motor 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.
Water OK Light
Power Light
Service Light
Freeze Light
Bin Full
Light
LED1
Compressor
Relay
Low Pressure Cut Out Switch: An automatic
reset control that shuts off the ice machine when
the low side pressure drops below a preset point,
0-4 psig.
Potential Relay: The compressor start relay.
On/Off Switch: Manual control for the machine.
Control Board
LED3
January 2000
Page 10
Auger
Relay
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