Control box components – Scotsman NME454 User Manual
Page 12
CONTROL BOX COMPONENTS
Contactor: A definite purpose contactor
connecting the compressor to the power supply.
AutoSentry
Ô Control Board
The control board receives input signals from
several sensors and translates them to control the
electrical power supply to the various loads.
The sensors include:
·
Electric eyes to check the ice level in the bin.
·
Conductivity probe to determine if there is water
in the reservoir.
·
Current meter to measure the amp draw of the
auger drive motor.
The loads include:
·
Compressor contactor
·
Auger drive motor
The control board also includes several indicator
lights.
Potential Relay: The compressor start relay.
On/Off (mode) Switch: Manual control for the
machine.
NME454, 654 & FME504, 804
January 2007
Page 12
LED3
LED1
Power Light
Control Board
Auger
Relay
Compressor
Relay
Freeze Light
Bin Full
Light
Water OK Light
Service Light