NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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INNOVATIVE HEARTH PRODUCTS • POWER VENT DV GAS FIREPLACES (DRT63__TYN / DRC63__TYN) • INSTALLATION INSTRUCTIONS
To adjust the flame, move the adjustment air
shutter (located on the lower venturi) back or
forward to increase or reduce the air shutter
opening, respectively. Position the air shutter to
the factory setting as shown in Figure 41. Allow
the burner to operate for at least 15 minutes.
Observe the flame continuously. If it appears
weak or sooty as previously described, adjust
the air shutter until the flame appearance is
as desired.
When satisfied that the appliance operates
properly, finish the installation. Leave the
ON/REMOTE/OFF wall switch in the REMOTE
position and turn the remote switch OFF.
Use the remote to adjust the flame height
as desired.
CAUTION
Soot will be produced if the
air shutter is closed too much.
Any damage due to carboning
resulting from improperly setting
the air shutter is not covered
under the warranty.
Air Shutter
Opening
Burner
Orifice
Gas
Valve
Venturi
Venturi
Main Burner Factory Air Shutter
Opening Setting - Inches (millimeter)
Model
Nat.Gas
40 in.
1/8" (3.18 mm)
45 in.
1/8" (3.18 mm)
WARNING
• Air shutter adjustment should
only be performed by a quali-
fied professional service tech-
nician.
• Ensure that the front glass
door assembly is in place and
sealed After adjustment.
Burner Air Shutter Adjustment Procedure
Figure 41 - Air Shutter Adjustment
Figure 42 - Burner Flame Appearance
Figure 43 - Burner Flame Appearance
