Service manual
COMPONENT DESCRIPTION: Control Box
Circuit Board:
The circuit board receives
input signals from several
sensors and translates them
to control the electrical power
supply to the various loads.
The sensors include:
•Touch Free ice or water.
•Ice level in the bin.
•Water level in the
reservoir.
The loads include:
•Compressor contactor
•Fan motor
•Bin drive motor
•Auger drive motor
•Water solenoid.
In addition, a “Clean” switch is
available to temporarily
disable the Touch-Free
sensors for cleaning of the
splash panel.
On/Off Switch: Manual
control for the machine.
Contactor: A definite
purpose contactor connecting
the compressor to the power
supply.
Potential Relay: The
compressor start relay.
PUSH BUTTON
RESET SWITCH
(Not Used After
Serial Number
804817-05M )
CONTACTOR
CIRCUIT
BOARD
START
CAPACITOR
POTENTIAL
RELAY
ON-OFF
SWITCH
TDE550 & TDE650
August 1999
Page 12