Vermont Casting 3225 - Manual (Page 15)

16 16
Radiance Direct Vent/Natural Vent Gas Heater
20004188
2. Measure the wall thickness and cut the wall sleeve
sections to proper length (MAXIMUM 12”). Assemble
the sleeve with the #8 sheet metal screws supplied.
Attach the firestop plate to the sleeve end with the
holes. (Fig. 25) NOTE: The wall sleeve is required
in combustible walls only.
3. Install the Wall Firestop/Sleeve assembly into the
wall cutout and fasten the firestop to the wall cutout
framing members. (Fig. 25)
Side Wall Termination Assembly
1. Locate the vent opening on the wall. Refer to Page
6, Figure 5, to determine the opening centerline.
It may be necessary to first position the stove and
measure to find the hole location. Depending on
whether the wall is made of combustible materi-
als, cut the opening to the size shown in Figure
24. Combustible wall openings must be framed as
shown in Figure 24.
Install the Vent Adapter Pipe
(Simpson Dura-Vent Components)
1. Install the Restrictor Plate. Consult Page 7 to de-
termine whether the restrictor plate is needed. If so,
place the restrictor plate within the inner flue collar
as shown in Figure 18.
2. Discard the inner starter pipe shipped with the log-
set. Using the starter pipe assembly listed on Page
12, slide the inner section out to allow access.
• Run a bead of sealant around the bottom end of
the starter pipe and attach the assembly to the stove
using three 1/4-20 x 3/8” Phillips screws provided in
the parts bag. (Fig. 22)
3. Install the Outer Adapter Pipe. Orient the verti-
cal seam to the rear, and insert the crimped end of
the outer pipe into the flue collar. Fasten with three
sheet metal screws provided. (Fig. 23)
Fig. 21 Fasten outer pipe with #12 x 1/2” sheet metal screw.
ST650
install outer adpater
4/20/01 djt
ST650
ST651
Fig. 23 Simpson Dura-Vent - install outer adapter pipe.
ST652
dura vent
attach outer assy
4/20/01 djt
ST649
dura vent
attach inner assy
4/20/01 djt
CEMENT
ST649
Inner Adpater Pipe
1/4-20 x
3/8” Phil-
lips Screws
Fig. 22 Simpson DuraVent - install inner adpater pipe.
VO584-100
Vent Opening
2/99 djt
9³⁄₈”
(240mm)
7¹⁄₂”
9³⁄₈”
(240mm)
Framing Detail
Combustible Wall
Noncombustible
Wall
VO584-100
Fig. 24 Locate vent opening.
CFM System
DuraVent
System 10”
(254mm)
10”
(254mm)