Safety Features - St. Croix SCR Installation & Operation Manual

Safety Features

1. "High Limit" Switch,
reaches temperatures above normal operating temperature. This is a "Normally Closed"
switch and is part of the Fan Limit Control. If the High Limit Switch trips several times,
the problem in the Stove must be diagnosed before the Stove is put back in service,
(Defective Room Fan, dirty Room Fan, dirty Air Filter, defective Fan Limit Control or
possibly a bad Control Board)
Vacuum Switch also called the Negative Pressure Switch
2.
turned on the exhaust fan will create a negative pressure in the firebox. The control board
continually checks to see if Negative Pressure (vacuum) is present during operation of the
Stove. If the exhaust venting system becomes clogged or obstructed, the firebox door is
left open or the exhaust fan quits working the control board will go into "Safety
Shutdown". For maintenance purposes there is a 60 second window to allow for cleaning
the glass, etc. before the Stove shuts down. This allows sufficient time for the Daily
Maintenance.
3. Proof of Fire Switch
exhaust system. The switch is "Normally Open" and closes the circuit at 110 degrees.
The Stove will shut down if temperatures above 110 degrees F are not sensed during start
up or if the temperature drops below 110 degrees during normal operation.
4. Hopper Lid Switch. The hopper lid switch will shut off the auger motor when the
hopper lid is open. Be sure the lid closes completely when refilling the hopper or the unit
will shut down.
5. Revolution Pot Sensor.
shaft. It monitors the rotation of the drum during the Self-Cleaning action. If the drum
does not rotate every 2 hours, the stove will go into shut down mode.
WARNING: These safety features are designed to protect life and property. Bypassing
these features voids all warranties and the safety listing of the Stove.
The Lincoln SCR has been Safety Tested by an accredited, independent laboratory.
an overheat safety switch will shut off the fuel feed if the Stove
also called the P.O.F. This senses the temperature rise in the
This is a micro switch located on the Revolution Pot drive
Lincoln SCR Manual
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. When the Stove is