Superior DRL3042TEN Installation And Operation Instructions Manual page 40

Innovative Hearth Products
Superior™ DRL3000 Linear Direct-Vent Gas Fireplaces
Air Shutter Adjustment Guidelines
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Table 25: Air Shutter Adjustment Guidelines
Amount of Primary
Flame Color
Air
If air shutter is Flame will
closed too far be orange
If air shutter is Flame will
open too far be blue
1. Move the adjustment lever (Figure 37) down to decrease air flow and up to increase it. Position the air shutter to
2. Light the fireplace. Follow the lighting procedure on the lighting label in the control compartment or Page 63.
3. Allow the burner to operate for at least thirty (30) minutes while observing the flame continuously to ensure that
4. When satisfied that the burner flame appearance is normal, proceed to finish the installation.
Figure 35: Flame Appearance
Table 26: Main Burner Shutter Opening—Factory Setting
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If there is smoke or soot present, first ensure that the flames are not impinging on any of the panels. If the
panels are properly positioned and a sooting condition still exists, increase the air shutter opening.
The more offsets in the vent system, the wider the air shutter will need to be opened.
The length and configuration of the chimney vent will afffect flame appearance.
A fireplace operated with the air shutter opened too far may have flames that appear blue and transparent. These
weak, blue, and transparent flames are termed anemic.
Propane models may exhibit flames that candle or appear stringy. If this condition is present and persists, adjust
the air shutter to a more open position, then operate the fireplace for a few more minutes to ensure that the
flame normalizes and the flames do not appear sooty. The following chart is provided to help achieve the correct
air shutter adjustment for your installation.
Air Shutter Adjustment
Air shutter gap should be increased:
PULL lever toward front of fireplace
Air shutter gap should be decreased:
PUSH lever toward back of fireplace
the factory setting (Table 26).
the proper flame appearance is achieved (Figure 38). If the following conditions are present, adjust accordingly.
• If flame appears weak or sooty, adjust the air shutter, incrementally, to a more open position until the proper
flame appearance is achieved.
• If flame remains blue, adjust the air shutter, incrementally, to a more closed position until the proper flame
appearance is achieved.
Models
All
Figure 34: Air Shutter Adjustment
Natural Gas
Closed
Installation
900079-02 05/2015
Air shutter adjustment lever
(below glass door)
Propane
Closed