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139775_R03_GI 535 DV IPI June 2016
5.1 Fireplace Requirements
This appliance is approved for installation into a solid
fuel-burning, factory-built fireplace, or a code-approved,
solid fuel-burning masonry fireplace with a tile flue
liner. An acceptable fireplace cavity must have the
minimum dimensions specified in fig. 5.2.
Do not modify or alter the construction of the gas
insert or any of its components to enable it to fit into a
fireplace. Any modification of the insert will void the
warranty, certifications and approvals of the unit and
could be dangerous.
Figure 5.2.
Minimum Fireplace Dimensions
A - Inside Height = 20" (50.8 cm)
B - Inside Width = 21" (53.3 cm)(at 16 1/2" of depth)
C - Inside Depth = 15 3/8" (39 cm)
D - Opening Height = 20" (50.8 cm)
E - Opening Width = 30" (76.2 cm)
Maximum Fireplace Opening
Cast Iron Overlay:
Will cover a maximum fireplace opening
21 3/8" high x 30 1/2" wide resulting in a 1/4" overlay.
NOTE: If a Backer Plate will not be used, Hidden Hanger
Bracket Kit 157888 must be installed on the insert firebox in
order to attach the Cast Iron Overlay assembly.
Backer Plate Options
The Backer Plate functions to neatly cover the fireplace
opening between the insert shell and the fireplace walls.
Standard Backer Plates are fabricated of 12 gauge,
aluminized steel, finished in high-temperature Matte Black
powder coating.
Trimmable Backer Plates are fabricated of 22 ga. aluminized
steel finished in Matte Black paint.
Choose an overall size that is at least 1 inch larger than your
fireplace opening.
157889 3-Sided Backer Plate -36"W x 24 1/4"H
157890 3-Sided Backer Plate - 38"W x 28" H
157891 3-Sided Backer Plate - 40"W x 30"H
157892 3-Sided Trimmable Backer Plate - 46"W x 34"H
157893 4-Sided Trimmable Backer Plate - 46"W x 34"W
Intended for flush-faced fireplace installations.
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A
D
B
C
E
5.2 Clearance Requirements
The following clearances and hearth specifications are
the minimum requirements for installing this appliance
into a solid fuel-burning fireplace. See figs. 5.3-5.5.
A combustible surface is anything that can burn (i.e.
sheet rock, wallpaper, wood, fabrics etc.). These surfaces
are not limited to those that are visible and also include
materials that are behind non-combustibles.
If you are not sure of the combustible nature of a
material, consult your local fire officials. Remember, "Fire
Resistant" materials are considered combustible; they
are difficult to ignite, but will burn. Also, "fire-rated"
sheet rock is considered combustible.
Always maintain the proper clearances to allow for
the flow of ventilation air around the insert.
5.3 Hearth Protection
Hearth protection in front of the GI 535 DV IPI must
be composed of masonry material extending at least
3 1/8" (10.5 cm) to each side of the fireplace opening
and 12" (30.5 cm) forward from the fireplace facing
material.
Figure 5.3. Hearth, Trim and Wall clearances.
A: Hearth Protection Width:
•
Unit flush or raised: Min. 3 1/8" (8 cm)
from fireplace opening
B: Hearth Protection Depth:
•
Unit flush with hearth: 12" (30.5 cm)
•
Unit raised minimum 6" off floor: 0"
C: Side Trim Clearance:
•
Up to 6" (15.2c m) depth, from fireplace center line:
17 7/8" (45.4 cm)
D: Side Room Wall Clearance:
•
From the fireplace center line: 20 3/8" (51.7 cm)
E: Top Trim Clearance from hearth: 36 1/2" (92.7 cm)
F: Mantel Clearance from hearth: See fig. 5.5.
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