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CIRCUIT BOARD FUNCTIONS
COMPONENT OPERATION START OPERATION END
Exhaust Blower Starts Immediately Will continue until shutdown. Shutdown will
occur when the operating temp. is below 90
degrees.
Agitator Three minutes after starting, the agitator
will begin to turn.
Will continue intermittently, as determined by the
Heat Setting, until Shutdown
Auger Three minutes after starting, the auger
will begin to turn.
The auger will continue at the feed rate
determined by the Heat Setting. NOTE: Safety
switch, Hi Limit and Vacuum Sensor much be
activated to continue proper operation.
Room Fan Begins when 110 degrees is reached Will continue to operate until the unit cools down
to below 90 degrees. This may take from
several minutes up to an hour.
Automatic
Shutdown
If, after 15 minutes, the unit has not
reached the preset operating temp., the
unit will begin to automatically shut
down. This will be evidenced by the red
light on the Control Board.
If the timer should expire before the preset
operating temp. is achieved, resetting the timer
is possible by switching the Control Board “OFF”
and then back “ON.”
Normal Operation If, after 15 minutes, the preset operating
temp. of 110 degrees is achieved,
normal operation will continue.
Operation will continue until either the Control
Board is turned “OFF,” or the operating temp.
falls to below 90 degrees. At this time, the unit
will default to “Automatic Shutdown.”
Illustration 5
CU-CB05
Control Board
Diagram (Wiring)
21