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16
© 2021 United States Stove Company
START-UP SEQUENCE OF EVENTS
Once the control panel is turned on, a timer begins that will start, stop and continue operation of the heater as a
preset temperature is achieved.
COMPONENT OPERATION START OPERATION END
Draft Fan Starts Immediately
Will continue until shutdown. Shutdown will occur when the
operating temperature is below approx. 90 degrees.
Agitator
Begins to turn once the heater
reaches operating temperature
Will continue intermediately, as determined by the “HEAT
SETTING”, until shutdown.
Auger
In PR-1 mode: Auger turns
immediately.
In CR-1: Three minutes after
starting, the auger will begin to turn
The auger will continue at the feed rate specified by the “HEAT
SETTING”.
NOTE: Safety switches, HI limit and vacuum sensor, must be
activated to continue proper operation.
Room Fan
Begins to run when heater reaches
operating temperature
Will continue to operate until the heater cools down to below
approx. 90 degrees. This may take several hours.
Automatic
Shutdown
If after 15 minutes, the heater has
not reached the preset operating
temperature, the unit will begin to
automatically shut down.
Should the timer expire before the preset operating
temperature is achieved, simply reset the heater by pressing
the “ON” button.
Normal
Operation
If after 15 minutes the preset
operating temperature of approx.
110 degrees is achieved, normal
operation will continue.
Operation will continue until either the heater’s control is to
the “OFF” position, or the operating temperature falls below
approx. 90 degrees. At such time the heater will default to the
“Automatic Shut Down”.
Igniter Starts immediately Will continue operation for a preset time, then shut-o
SHUTDOWN SEQUENCE OF EVENTS
Once the Heater has reached the normal operating temperature and switched to the “OFF” position, the unit will
initiate a slow down, reducing the fuel rate until the heater’s “LOW LIMIT SAFETY” sensor tells the control board it
is safe to shutdown.
COMPONENT SHUTDOWN OPERATION END
Draft Fan
Unchanged operation until preset
“OFF” temperature is achieved.
Continues until the operating temperature falls below approx.
90 degrees. May take several hours.
Agitator
Rotates continuously until preset
“OFF” temperature is achieved.
Continues until the operating temperature falls below approx.
90 degrees.
Auger
Slows down to a reduced fuel setting
until preset “OFF” temperature is
achieved.
The auger will continue at the reduced feed rates until the
operating temperature falls below approx. 90 degrees.
NOTE: Safety switches, HI limit and vacuum sensor, must be
activated to continue proper operation.
Room Fan
Unchanged operation until preset
“OFF” temperature is achieved.
Will continue to operate until the heater cools down to below
approx. 90 degrees. This may take several hours.
Automatic
Shutdown
If the heater’s “HI LIMIT” sensor
snaps open, this will cause an
automatic shutdown. An error code
will be displayed (Err1). NOTE:
“HI LIMIT” errors are usually the
result of operating at the highest
heat setting for long periods of
time, room fan failure or loose wire
connection.
It is rare that the HI LIMIT temperature is reached. However,
should this error occur, let the heater cool down for an hour
then restart.
CONTROL BOARD FUNCTIONS
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