Installation
900684-01 06/2018
Innovative Hearth Products
DRT3000 Series Direct-Vent Gas Fireplaces
44
Table 28 - Air Shutter Adjustment Guidelines
Figure 37 - Air Shutter Adjustment Rod
Amount of Primary
Air
Flame Color
Air Shutter Adjustment
If air shutter is
closed too far
Flame will
be orange
Air shutter gap should be increased
If air shutter is
open too far
Flame will
be blue
Air shutter gap should be decreased
Air Shutter
Adjustment
Rod Down
(Fully-Open
Position)
Burner
Tube
Adjustment
Rod Up
(Fully-Closed
Position)
Adjustment
Set-Screw
1.
Move the adjustment rod down to increase air flow and up to decrease it. The rod is located in the lower control
compartment. Position the air shutter to the factory setting
(
Table 29
)
.
2.
Light the fireplace. Follow the lighting procedure on the lighting label in the control compartment or
Pages 67-70
.
3.
Allow the burner to operate for at least fifteen (15) minutes while observing the flame continuously to ensure that
the proper flame appearance is achieved
(
Figure 39
)
. 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.
4.
When satisfied that the burner flame appearance is normal, reinstall the lower control compartment door, then
proceed to finish the installation.
Figure 38 - Fireplaces Flame Appearance
Table 29 - Main Burner Shutter Opening—Factory Setting
Models
Natural Gas
Propane
All
1/16”
(1.6 mm)
1/8”
(3.2 mm)
20.
Install the Hood (in Traditional Models)
NOTE:
Traditional models must have a hood installed prior to operation.
1.
Install the hood by sliding it into the slots on the lower edge of the cabinet top.
NOTE:
To install the non-combustible finish material flush with the top of the hood, the hood must be installed before
installing the finish material. If finish material is installed flush with the top edge of the hood, the hood cannot be
removed.
Traditional
