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CHIMNEY SUPPORT INSTALLATION
Universal Roof Support
*
When installing a support, slightly lift the chim-
ney system so the weight will lie on the support,
not on the fi replace to reduce expansion noises.
This support has two possible uses:
1.
For ASHT+
*
it must be used on a roof to
support the chimney.
2.
It may be used on a fl oor, ceiling or roof
above an offset to support the chimney
above the offset.
3.
It may be used on a fl oor, ceiling or roof
above as a supplementary support when
the chimney height exceeds 15 feet (4.6
m).
CHIMNEY MODEL
ACBI
*
ASHT+
*
DuraTech DTC
**
S2100+
*
Table 6
18" (460mm)
(410mm)
Figure 29
22
Table 6 gives maximum height of supported
chimney.
NOTE: For the ACBI
tion must be used every 20 feet (6 m) instead
of the universal roof support (ST).
For roof support installation, refer to the instruc-
tions provided with the support.
Universal Offset Support
This support is used to support the chimney
above an offset. Or it may be used on the wall
to support the chimney. The maximum heights
are given in Table 6. For offset support instal-
lation, refer to the instructions provided with
the support.
MAXIMUM HEIGHT OF SUPPORTED CHIMNEY
Offset Support
40 feet (12.91m)
24 feet (8.54m)
24 feet (8.54m)
16 feet (5.42m)
18" (460mm)
16"
16"
(410mm)
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
CHIMNEY CHASE AND MULTIPLE TERMINA-
TIONS
For the purpose of this manual, a chimney chase
*
chimney, a universal sec-
is considered a part of the chimney system
rather than part of a building. The termination
must be placed a minimum of 18" (460 mm)
above the chase.
For installations where more than one chimney
is located in the same chase or within the same
area, we suggest that their terminations be
separated by at least 16" (410 mm) horizontally,
and 18" (460 mm) vertically. This separation is
to prevent smoke migration from one chimney
to another (see Figure 29).
CHIMNEY ADAPTOR
The fi replace is normally supplied with a chimney
adaptor suitable for the ASHT+
want to install a S2100+
Roof Support
is availible (7UCA
50 feet (15.02m)
ACBI, adaptor H3805
adaptor H3806
27 feet (8.84m)
27 feet (8.84m)
18 feet (6.10m)
18" (460mm)
*
(S2100+)
chimney. If you
*
chimney, an adaptor
*
*
) (see Figure 30). If installing
*
(ACBI7SBA
*
*
(ACBISBA30
*
) is required.
Figure 30
*
Available from Security Chimneys™
**
Available from DuraVent
) or offset
®
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