Through Wall Installations (As Per Nfpa 211) - Pacific energy ALDERLEA T5 LE Operating And Installation Instructions

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Through Wall Installations (as per NFPA 211)

ATTENTION: VAPOUR BARRIER MUST BE MAINTAINED WHEREVER CHIMNEY OR OTHER
COMPONENTS PENETRATE TO THE EXTERIOR OF THE STRUCTURE. SEE LOCAL BUILDING CODES
FOR PROPER AND APPROVED METHODS OF MAINTAINING VAPOUR BARRIER.
Minimum Clearance 12 in. (305mm) to combustibles
System A. Minimum 3.5 in. (90 mm) thick brick masonry wall framed into combustible wall with a minimum
of 12 in. (305 mm) brick separation from clay liner to combustibles. Fireclay liner (ASTM C 315, Standard
Speci cations for Clay Fire Linings, or equivalent), minimum 5/8 in. (16 mm) wall thickness, shall run from
outer surface of brick wall to, but not beyond, the inner surface of chimney ue liner and shall be rmly
cemented in place.
Minimum Clearance 9 in. (229mm) to combustibles
System B. Solid-Insulated, listed factory-built chimney length of the same inside diameter as the chimney
connector and having 1 in. (25.4 mm) or more of insulation with a minimum 9 in. (229 mm) air space between
the outer wall of the chimney length and combustibles.
The inner end of the chimney length shall be ush with the inside of the masonry chimney ue and shall be
sealed to the ue and to the brick masonry penetration with non-water-soluble refractory cement. Supports
shall be securely fastened to wall surfaces on all sides.
Fasteners between supports and the chimney length shall not penetrate the chimney liner.
100000353
SYSTEM A
Minimum 12" (305 mm)
to combustibles
Figure 7: System A
Minimum chimney clearance
SYSTEM B
from masonry to sheet steel
supports and combustibles
2" (51 mm)
Nonsoluble
Factory built
refractory
chimney length
cement
Chimney length
flush with inside
of flue
Air space:
Chimney
9" (229 mm) min.
flue
Masonry chimney
constructed to NFPA 211
Figure 8: System B.
Minimum chimney clearance
to brick and combustibles
2" (51 mm).
Minimum clearance
12" (305 mm) of brick
Chimney connector
Fireclay liner
Masonry chimney
constructed to NFPA 211
Minimum clearance
9" (229 mm)
Chimney connector
Use chimney
manufacturers' parts to
attach connector
securely
Solid-insulated, listed
factory built chimney
length
Sheet steel supports
18
ALT 5-LE 140623-28

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