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O
PERATING
COMBUSTION FAN SPEED ADJUSTMENT (F1)
The speed of the combustion fan can be increased or decreased by adjusting
the F1 Trimmer. This adjustment allows for fine tuning of the combustion fan
for elevation & venting during initial set‐up. This along with the fresh air
damper (See Section #4.11 "Adjusting Air Intake Damper") allows you to fine
tune the amount of combustion air to match your particular installation. Dur‐
ing normal use you will not need to adjust this trimmer as the damper provides
sufficient adjustability. Turn Clockwise to decrease. Turn counterclockwise to
increase. To lower the fan speed turn trimmer clockwise and vice versa to in‐
crease fan speed
NOTE: Trimmer adjustment affects lowest three combustion settings only.
ITC TEMPERATURE ADJUSTMENT (T1)
T1 is the ITC temperature trim. This allows for heat setting temperature to
be raised or lowered to meet your heating needs. Counter clockwise de‐
creases the ITC temperature setting and clockwise ITC increases the tem‐
perature setting.
NOTE: The trim pot slot is made of plastic and can be damaged or stripped.
When adjusting, use a small precision screwdriver with non‐metallic blade.
NOTE: Trim Pots do not make a full rotation. Do not apply extra force,
damage may occur.
ADJUSTING INTAKE DAMPER FOR BEST PERFORMANCE
A HIGH QUALITY FIRE should burn with a brisk, vibrant, yellow to white
color flame. When watching the fuel burn in the grate, you should see a
slight movement of the embers. However, you should not see embers
whisked out of the burn grate from high velocity intake air. A flame exhibit‐
ing a lazy, orange or sooty characteristic is an inefficient flame. This type of
flame produces less heat, increases soot and smoky exhaust.
Before making combustion adjustments, let the appliance go
through the entire START‐UP procedure. When the HEAT LEVEL
LED stays solid, turn the HEAT LEVEL to the # 2 setting and FAN
LEVEL to setting #3. Allow the appliance to run on this setting for
10 minutes before making fine adjustments.
Adjust the air intake damper and watch the burn grate and flame
for characteristics as described above.
VS0952_E
I
NSTRUCTIONS
12/30/2009
(C
)
(C
)
ONTINUED
ONTINUED
Damper Rod
INCREASE
DECREASE
DECREASE
INCREASE
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