Component Description: Control Box - Scotsman NME1854R Service Manual

NME1854R & FME2404R

COMPONENT DESCRIPTION: Control Box

There are two control boxes in the machine.
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 liquid line valve.
Potential Relay: The compressor start relay.
On/Off (mode) Switch: Manual control for the
machine.
Control Board
Water OK Light
Power Light
Service Light
Freeze Light
Bin Full
Light
LED1
Compressor
Relay
LED3
Auger
Relay
January 2000
Page 16