Tundra II Furnace Installation and Operation Manual
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8.5 Manual or thermostat control
From factory, the opening and closing of the air inlet damper is manually activated by the
means of a switch located at the rear of the furnace. The switch has two positions; opened
and closed.
Position of the air control rod when the switch in the “closed” position.
For added comfort, the installation of an optional wall thermostat is recommended since it
will open the air inlet damper when the room temperature is below the set point of the
thermostat and will close the air inlet damper as the desired temperature is reached (see
Appendix 1:
Optional Thermostat Installation
).
If the heat sensors detect any overheating in the air jacket of the furnace, the air inlet
damper will close automatically regardless of the type of control used.
8.6 Ash drawer
Your furnace is equipped with an ash drawer to collect ashes produced by the combustion
of wood. The ash drawer is provided with two (2) wing nuts to hold the door in a close
position. Operating the furnace with the ash drawer open may seriously damage the
furnace.
The drawer must be emptied regularly.
8.7 Prolonged power outage
To reduce the risk of overheating during a prolonged power outage (more than 10
minutes), it is recommended damper is closed. If your furnace is equipped with the
optional filter, remove the air filter to improve the circulation of air around the combustion
chamber of the furnace. Do not load the furnace more than 50 percent of its capacity to
prevent the risk of overheating,
Summary of Contents for DF02001
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