Lennox Hearth Ladera-BN - Manual (Page 16)

Roof Down Slope Hole Size
SLOPE ASHT+ / HT6103+ * S-2100+ / HT6000+ * AC *
Roof Pitch 6” 6” 6”
0 * 
v  MM 
v  MM v  MM
2/12 
v  MM 
v  MM  v  MM
4/12 v  MM 
v  MM  v  MM
6/12 
v  MM 
v  MM  v  MM
8/12 
v  MM v  MM  v  MM
10/12 
v  MM 
v  MM  v  MM
12/12 
v  MM v  MM  v  MM
* Cross Slope Hole Size
Put the chimney cap into place.
Wash the roof flashing with a solvent or vinegar, then paint it with rust-proof paint.
Table 3
Figure 26 Figure 27
Figure 31
Minimum Chimney Height Using Elbows
Fireplace Model Ladera™
Chimney Model
*
ASHT+ / S2100+ / HT6103+ / HT6000+ / AC
Vertical installation 12 feet (3.66 m)
Two (2) elbows 15 feet (4.57 m)
Four (4) elbows 17 feet (5.18 m)
Table 4
!FTER 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  v  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  v  MM SCREWS )F 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 30 and
31).
 5SE ANOTHER ELBOW TO TURN THE CHIMNEY
vertically. Secure the elbow, using three
 v  MM SCREWS PROVIDED WITH THE
elbow).
 5SE A PLUMB
BOB TO LINE UP THE CENTER OF
the hole. Cut a hole for the chimney in the
CEILINGmOOR &RAME THIS HOLE AS DESCRIBED
previously (refer to section Chimney Instal-
lation Instructions).
5. From below, install a firestop (See Figure
24a).
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 4O LOCK IT IN PLACE TURN  OF A
turn. Fasten the straps attached to the elbow
to the surrounding frame, using nails or
drywall screws (see Figure 29).
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.
 5SE 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.
 5SE 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
24b).
6. Continue with the regular installation.
NOTE: When using AC chimney * , an AC6SB *
starter section must be used before install-
ing an elbow. When an offset is needed
immediately off the top of the fireplace, an
elbow starter section, AC6SB30
*
(H3780
*
),
is available.
AC
Air Cooled Chimney *
Collar
Chimney
Flashing
/&&3%4 #()-.%9 ).34!,,!4)/.
After reaching the location requiring the elbow, proceed as follows. The minimum chimney height
when using elbows is:
Spacer (built
INTO mASHING
NOTES:
s Must return to vertical before penetrating ceiling or floor.
s A maximum of 2 offsets are allowed.
* Available from Security Chimneys™ ./4% $)!'2!-3  ),,5342!4)/.3 !2% ./4 4/ 3#!,%
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