Prescott Series Installation and Operation Manual
Page 30
THERMOSTAT
WIRE
TERMINAL
DAMPER
2.
As long as the temperature within the stove remains above 110°F the Fans will continue to
run. When the P.O.F. switch drops out, the room fan shuts off and the Combustion fan will
run for another 10 minutes and finally shut down completely.
NEVER unplug the Stove to shut it off. Doing so may cause smoke to enter the room
.
Importance of Proper Draft
Do not neglect to
adjust the Combustion Air Damper during the break in period of your new
Stove
(See Figure 20).
Your Stove is equipped with an air inlet damper. The purpose of this
damper is to adjust combustion airflow to match the characteristic of each specific air inlet and
chimney configuration. See figure 20 for initial damper settings for pellets. The damper will
most likely only need a small adjustment during the break-in period. Break-in requires the
burning 15 bags of pellets or a continuous burn for two weeks.
If you notice a difference in the operation of the Stove,
first check to see if there has been a
change in the fuel you are burning.
If the fuel properties have significantly changed,
such as
the
fuel is very dirty, then making a change to the damper is correct.
However if the Stove needs cleaning,
changing the Damper may mask the fact that the stove is
getting plugged.
It is always a good idea to thoroughly clean your stove before making a
significant damper change.
If you experience problems adjusting the Stove during the Break-In Period, contact your
dealer.
Some chimney systems will fall outside the norm, for example, a chimney with excessive
draft or one with a long horizontal run.
Initial damper settings for a stove using a Horizontal Vent system
F
irst note the location of the set screw. This screw is
turned in until it stops against the tube. Moving the
screw is normally not needed.
Heat level 1: Open the damper 1/8 of an inch.
Heat level 2: Open damper to 3/16 of an inch.
Heat level 3: Open damper to 3/16 of an inch.
Heat level 4: Open damper to 1/4 of an inch.
Heat level 5: Open damper to 5/16 of an inch.
Observe the flame and adjust the damper from these
positions if needed based on “Flame Pattern
Characteristics listed on the next page. Adjust the
damper 1/16 of an inch at a time and wait 5 minutes
between adjustments to allow the pot to balance out.
Figure 20
Stoves connected to
Vertical Vent
systems should use reduced damper settings. Close the
damper a 1/16” – 1/8” to compensate for the natural draft of the vertical chimney.
