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LENNOX HEARTH PRODUCTS • ELITE LINEAR VIEW DIRECT-VENT GAS FIREPLACE (MODELS LDV42, LDV54) • INSTALLATION INSTRUCTIONS
LOCATION AND fRAMINg
(CONTINUED)
UNIT NAILINg fLANgES
Unit ships from factory with nailing flanges in
vertical position for cleanface finish and at 1/2"
wall finish depth.
Cleanface finish Nailing flange Settings:
1. Leave vertical position of nailing flanges at
Figure 9-1
factory setting (see
2. If wall finish material is thicker than 1/2", move
nailing flanges to applicable horizontal setting.
Surround finish Nailing flange Settings:
1. Move vertical position of Top Nailing Flange
UP and Bottom Nailing Flange DOWN (see
Figure 9-1
, DETAIL B).
2. If wall finish material is thicker than 1/2", move
nailing flanges to applicable horizontal setting.
ADjUSTINg UNIT NAILINg fLANgES
Top Nailing flange
(settings are same
for Bottom Flange)
horizontal settings for
wall finish thickness:
1/2", 3/4", 1", 1-1/4", 1-1/2"
1-1/2"
1/2"
[DETAIL A]
Top
Nailing
flange
Nailing flange
Vertical Setting
for Cleanface finish
Bottom
Nailing
flange
[DETAIL B]
Top
Nailing
flange
Nailing flange
Vertical Setting
for Surround
Bottom
Nailing
flange
Figure 9-1
SECURINg UNIT TO fRAMINg
By NAILINg fLANgES
Side
Framing
, DETAIL A).
fireplace Left Side front Corner Shown
Securing Unit to Framing by Unit Nailing Flanges
(Requirements are same for right side.)
Left Front Corner of Fireplace Shown
(Right side requirements are the same)
Note: The nailing flanges, combustible
members, and screw heads in areas
Note: The nailing flanges, combustible members, and
screw heads directly adjacent to the nailing flanges
directly adjacent to the nailing flanges
are EXEMPT from the 1/2" clearance-to-combustible
are EXEMPT from the 1/2-inch clearance-
requirements for the firebox outer wrapper.
to-combustible requirements for the
Combustible framing may be in direct contact with
firebox outer wrapper. Combustible
the nailing flanges and may be located closer than
framing may be in direct contact with the
1/2" from screw heads and the firebox wrapper
nailing flanges and may be located closer
in areas adjacent to the nailing flanges.
than 1/2 inch from screw heads and the
Frame the opening to the exact dimensions
firebox wrapper in areas adjacent to the
specified in the framing details of this manual.
nailing flanges. Frame the opening to the
exact dimensions specified in the framing
details.
Figure 9-2
CEILINg OPENINg fRAMINg
If the vertical vent will penetrate a ceiling, use a
plumb line from the ceiling above the appliance
to locate center of the vertical run. Cut and/or
frame an opening about this center mark with
10-1/2" x 10-1/2" (267 mm x 267 mm) inside
dimensions (Figure 9-4).
Note: Vertical firestop/Spacer must
be used anywhere vent pipe passes
through a combustible floor or
ceiling. horizontal firestop/Spacer
must be used anywhere vent pipe
passes through a combustible wall.
See "Firestop/Spacer requirements" on
Page 13 for details.
12-1/8"
(308 mm)
5-1/8"
(130 mm)
Adapter
SV4.5RCH
6 to 48 inch Vent Section,
Telescopic vent section,
Elbow or Appliance Collar
Figure 9-5: Exterior Wall Opening Framing
NOTE: DIAGRAMS AND ILLUSTRATIONS ARE REPRESENTATIVE AND ARE NOT DRAWN TO SCALE.
Unit Nailing
Flanges
Nailing flanges are
provided at all four
corners at 1/2" to
1-1/2" settings,
in 1/4" increments.
Firestop/Spacer (SV4.5HF) shown
on the exterior side of the wall. It
may also be installed on the
interior side.
10-1/2"
7"
(267 mm)
(178)
Note: Centerline of vent piping
Note: Centerline of Vent Piping is
NOT the Same as the Centerline of
is NOT the same as centerline
the Frame Opening.
of frame opening.
ROOf OPENINg fRAMINg
[Vertical Termination]
Identify the location for the vent at the roof.
Cut and/or frame the opening per Figure 9-3.
C
D
ROOf OPENINg fRAMINg DIMENSIONS
Pitch
C
0/12
10-1/2 in.
(267 mm)
6/12
10-1/2 in.
(267 mm)
12/12
10-1/2 in.
(267 mm)
Figure 9-3: Roof Opening Framing
Roof
10-1/2" Min.
Framing
(267mm)
Ceiling
Plumb
Framing
Bob
Figure 9-4: Ceiling Opening Framing
Typical
ExTERIOR WALL OPENINg
Termination
Shown
fRAMINg
[horizontal
Termination]
1. Locate the center of the vent outlet on the
exterior wall according to the di men -
sions shown in Figure 9-5.
2. Cut and/or frame an opening with inside
dimensions 10-1/2" (267 mm) wide x
12-1/8" (308 mm) high.
1"
(25.4 mm)
See FRAMING DIMENSIONS (previous page)
for min. distance to base of appliance.
Base of Appliance
(Appliance Base)
D
10-1/2 in.
(267 mm)
12 in.
(305 mm)
17 3/4 in.
(451 mm)
10-1/2" Min.
(267mm)
3"
(76 mm)
9
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