25
W415-1516 / A / 10.22.15
EN
5.1 WALL AND CEILING PROTECTION
For clearances to combustible materials from the vent pipe, see “FRAMING” section.
!
WARNING
DO NOT FILL THE SPACE BETWEEN THE VENT PIPE AND ENCLOSURE WITH ANY TYPE OF
MATERIAL. DO NOT PACK INSULATION OR COMBUSTIBLES BETWEEN CEILING FIRESTOPS.
ALWAYS MAINTAIN SPECIFIED CLEARANCES AROUND VENTING AND FIRESTOP SYSTEMS.
INSTALL WALL SHIELDS AND FIRESTOPS AS SPECIFIED. FAILURE TO KEEP INSULATION OR
OTHER MATERIALS AWAY FROM VENT PIPE MAY CAUSE FIRE.
5.2.1 HORIZONTAL INSTALLATION
This application occurs when venting through an exterior wall.
Having determined the correct height for the air terminal
location, cut and frame a hole in the exterior wall as
illustrated to accommodate the
fi
restop assembly.
Dry
fi
t the
fi
restop assembly before proceeding to
ensure the brackets on the rear surface
fi
t to the
inside surface of the horizontal framing.
The length of the vent shield may be cut shorter
for combustible walls that are less than 8 1/2”
(215.9mm) thick but the vent shield must extend
the full depth of the combustible wall.
A. Apply a bead of caulking (not supplied) around the corner edge of
the inside surface of the
fi
restop assembly,
fi
t the
fi
restop
assembly to the hole and secure using the 4 screws (supplied in your
manual
baggie).
B. Once the vent pipe is installed in its
fi
nal position, apply high temperature sealant W573-0007 (not
supplied) between the pipe and the
fi
restop.
DETERMINE
THE
CORRECT
HEIGHT
CAULKING
FIRESTOP
SPACER
VENT
SHIELD
FINISHING
MATERIAL
20.2A
!
WARNING
THE FIRESTOP ASSEMBLY MUST BE INSTALLED WITH THE VENT SHIELD TO THE TOP.
TERMINALS MUST NOT BE RECESSED INTO A WALL OR SIDING MORE THAN THE DEPTH OF THE
RETURN FLANGE OF THE MOUNTING PLATE.
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