Approved Vent Configurations; Restrictor Position; Diffuser Plate Removal - FireplaceXtrordinair 21 DV RV Manual

Built-in direct vent fireplace
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Installation (for qualified installers only)

Approved Vent Configurations

Restrictor Position

A vent restrictor is built
into the appliance to
adjust the flow rate of
exhaust gases. This
ensures proper
combustion for all vent
configurations.
Depending upon the
vent configuration, you
may be required to
adjust the restrictor
position. The charts for
acceptable vent
configurations detail the
correct vent restrictor
position.
Diffuser Plate
Certain vent configurations require
the diffuser plate to be removed. It
is located in the firebox, behind a
baffle above the burner (remove the
firebox liner first - see page 52).
Refer to the charts for approved vent
configurations to determine if the
diffuser plate requires removal.
© Travis Industries
To Access the Restrictor:
Remove the face (with the stove
cool).
To Adjust the Restrictor:
1
Determine the correct restrictor position (see the charts under "Approved
Vent Configurations" - the factory position is #1).
2
Lift up the adjustment plate and move it so the correct notch falls into the
slot on the adjustment bracket.
a
Remove the
baffle.
1/4" Nutdriver
Replace the screws for the diffuser
c
plate to seal the holes in the firebox.
d
Replace the baffle.
4040927
Adjustment
Plate
Adjustment Bracket
This restrictor is in position 1
(factory setting).
Restrictor Position
# 7
# 6
etc...
# 2
To adjust, lift the adjustment plate and
pull it forward
This restrictor is in position 6.
Remove the
b
diffuser plate.
17
100-01158

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