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.
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.
NSE654
January 2000
Page 10
Power Light
Service Light
Water OK Light
Bin Full
Light
Freeze Light
Compressor
Relay
Auger
Relay
Control Board
LED1
LED3