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AC
Air Cooled Chimney
Collar
Figure 24
SLOPE
ASHT+ / HT6103+
Roof Pitch
0 *
12-3/8" (314 mm)
2/12
12-9/16" (319 mm)
4/12
6/12
13-7/8" (352 mm)
8/12
14-7/8" (378 mm)
10/12
16-1/8" (410 mm)
12/12
17-1/2" (445 mm)
Table 3
* Cross Slope Hole Size
OFFSET CHIMNEY INSTALLATION
After reaching the location requiring the elbow, proceed as follows. The minimum chimney height
when using elbows is:
Fireplace Model
Chimney Model
Vertical installation
Two (2) elbows
Four (4) elbows
Table 4
Note: Must return to vertical before penetrating ceiling or floor.
14
Chimney
Spacer (built
into flashing)
Flashing
Figure 25
Roof Down Slope Hole Size
S-2100+ / HT6000+
6"
6"
14-1/8" (359 mm)
14-3/8" (365 mm)
13" (330 mm)
14-7/8" (378 mm)
15-3/4" (400 mm)
17" (432 mm)
18-3/8" (467 mm)
20" (508 mm)
Minimum Chimney Height Using Elbows
ASHT+ / S2100+ / HT6103+ / HT6000+ / AC
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
AC
6"
15" (380 mm)
15 3/8" (390 mm)
16 1/8" (410 mm)
16 7/8" (430 mm)
18 1/4" (465 mm)
19 5/8" (500 mm)
21 3/8" (545 mm)
MONTE
12 feet (3.66 m)
15 feet (4.57 m)
17 feet (5.18 m)
After reaching the location requiring the
elbow, proceed as follows:
ASHT+ / HT6103+ / S-2100+ / HT6000+
Chimneys
1. Install the first elbow; turn it in the required
direction. Fasten it to the chimney with
the three (3) 1/2" (12 mm) metal screws
provided with the elbow.
2. Install the necessary chimney lengths to
achieve the required offset. Lock the chimney
lengths together: it is recommended to use
three (3) 1/2" (12 mm) screws. If the offset
length is made of two (2) chimney lengths or
more, use an offset or roof support halfway
up the offset. If penetrating a wall, install
a wall radiation shield (see Figures 27 and
29).
3. Use another elbow to turn the chimney
vertically. Secure the elbow, using three
(3) 1/2" (12 mm) screws (provided with the
elbow).
4. Use a plumb-bob to line up the center of
the hole. Cut a hole for the chimney in the
ceiling/floor. Frame this hole as described
previously (refer to section Chimney Instal-
lation Instructions).
5. From below, install a firestop (See Figure
22a).
6. A support (ST or SO) must be used on the
first 15' section (5 m).
7. Continue with the regular installation.
AC Chimney
1. Install the first elbow. Turn it in the required
direction. To lock it in place, turn 1/8 of a
turn. Fasten the straps attached to the elbow
to the surrounding frame, using nails or
drywall screws (see Figure 27).
2. Install the necessary chimney lengths to
achieve the required offset. Lock the chimney
lengths together. If penetrating a wall, use
a wall radiation shield.
3. Use another elbow to turn the chimney
vertically. Lock it to the chimney. Fasten
the straps attached to the elbow to the
surrounding framing using nails or drywall
screws.
4. Use a plumb-bob to line up the center of the
hole. Cut a hole for the chimney in the ceiling.
Frame this hole as described previously.
5. From below, install a firestop (see Figure
22c).
6. Continue with the regular installation.
Note: When using AC chimney, an AC6SB
starter section must be used before installing
an elbow. When an offset is needed imme-
diately off the top of the fireplace, an elbow
starter section (AC6SB30) is available.
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