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INSTALLATION
SLIDER / DAMPER SET-UP
THE SLIDER / DAMPER HAS BEEN SET AT THE FACTORY. This is
used to regulate the airflow through the pellet stove. The slider
damper knob is located on the left cabinet side (see Figure 42) when
facing appliance from the front.
The slider damper factory setting has been set for peak efficiency operation/
efficient flame (see Figure 40).
If the fire should happen to go out and the heat output indicator has been
set on the lowest setting, the Slider Damper may need to be adjusted by
a qualified technician only. Contact your local dealer.
For troubleshooting purposes the firebox vacuum pressure may need to
be confirmed. This should be done only on a hot stove (operating for
thirty (30) minutes or more) by placing a Magnehelic Pressure Gauge in
the firebox. The reading can be taken from the ⅛" (3 mm) hole located
in the front of the firebox under the door (see Figure 41). The factory
setting should read approximately 0.065 inches of water column
on the high fire setting.
Figure 39: Slider / Damper
The easiest way to make sure that an efficient flame is achieved is to
understand the characteristics of the fire.
• A tall, lazy flame with dark orange tips requires more air – Open slider
(pull out) slightly.
• A short, brisk flame, like a blowtorch, has too much air – Close slider
(push in) slightly.
• If the flame is in the middle of these two characteristics with a bright
yellow/orange, active flame with no black tips then the air is set for proper
operation.
Greenfire Pellet Insert Technical Manual
Exhaust Blower
Exhaust
Channel
Slider
Damper
Note: Some parts
have been removed in order
to see components more clearly.
Figure 40: Efficient Flame
Figure 41: Hole for Pressure test with Magnehelic Gauge
SPECIAL NOTES:
Pellet quality is a major factor in how the Pellet stove will operate. If the
pellets have a high moisture content or ash content the fire will be less
efficient and has a higher possibility of the fire building up and creating
clinkers (hard ash build-up).
Figure 42: Damper Knob Location
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