22
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Installation
900301-00 08/2018
Innovative Hearth Products
BRT40ST See-Through B-Vent Gas Fireplaces
WARNING
•
Air shutter adjustment should
only be performed by a quali-
fied professional service tech-
nician.
•
Ensure glass enclosure panels
are in place and sealed during
adjustment.
CAUTION
•
Soot will be produced if the
air shutter is closed too much.
Any damage due to sooting,
resulting from improperly
setting the air shutter, is not
covered under the warranty.
•
The air shutter door and
nearby appliance surfaces
are hot. Exercise caution to
avoid injury while adjusting
flame appearance.
Adjustment Rod Positions (when viewed from above)
Figure 26
Air Shutter
Adjusting
Rod
Orifice
Increase Shutter
Opening In This
Direction
Decrease Shutter
Opening In This
Direction
Note - Burners are omitted in this view for clarity.
MAIN BURNER
FACTORY SHUTTER SETTING
Model
Natural Gas
inches (mm)
Propane Gas*
inches (mm)
BRT40ST
1/16 (1.5)
7/16 (11)
* If field converted
Step 11.
HOOD INSTALLATION
Refer to Figure 27. All of these appliances
must have hoods installed prior to operating.
FINISHING REQUIREMENTS
- Wall Details
Complete finished interior wall. To install the
appliance facing flush with the finished wall,
position framework to accommodate the thick-
ness of the finished wall (
Figure 27)
See Page 7 for
Cold Climate Insulation and
Page 9 for Clearances
Figure 27 - Finishing Requirements
This Area Must Remain Clear
of Combustible Materials
Top of Appliance
1" Min
(26 mm)
Combustible
Wall Framing
Spacer
Clean Face Models
Top of Door Frame
Hood must be installed as shown.
Combustible Wall
Framing
Drywall
Bracket/Spacer
Burner Adjustment Procedure
1
. Refer to
Figure 25
for proper flame ap-
pearance. To adjust the flame, rotate the
adjustment rod toward the back or toward
the front of the fireplace (rod located in the
lower control area). Position the air shutter
to the factory setting as shown in the table
in
Figure 26
.
2.
Light appliance (follow lighting procedure
on lighting label in control compartment or
see the Care and Operation Manual).
3.
Allow the burner to operate for at least 15
minutes while observing the flame continu-
ously to ensure that the proper flame ap-
pearance has been achieved
.
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 appear-
ance is achieved.
4.
Leave the control knob (off/pilot/on) in the
ON position (millivolt appliances) and the
burner OFF/ON switch OFF (and remote
switches, if applicable).
Figure 25 -
Burner Flame Appearance
Glowing Embers (Rockwool)
5.
When satisfied that the burner flame ap-
pearance is normal, re-install the lower
control compartment door then proceed
to finish the installation.
Glowing Embers (rockwool)
