30
EN
W415-1398 / C / 06.15.17
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.
70.1
For clearances to combustible materials from the vent pipe, see “FRAMING”
section.
4.1.1 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 vent shield must be installed to the
full depth of the combustible wall. The
length of the vent shield
may be cut shorter for combustible walls
that
are
DETERMINE
less than 8 1/2"
(216mm) thick.
NOTE: Bend the tabs for
reduced side clearances or move the
shield for reduced top
CORRECT
clearances.
HEIGHT
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.
!
Summary of Contents for CB30NTR
Page 11: ...11 EN W415 1398 C 06 15 17 3 2 TYPICAL VENT INSTALLATION...
Page 12: ...12 EN W415 1398 C 06 15 17 See VENTING section...
Page 42: ...42 EN W415 1398 C 06 15 17 5 1 MINIMUM FRAMING DIMENSIONS...
Page 46: ...46 EN W415 1398 C 06 15 17 MAXIMUM REAR VENT CLEARANCES EXAMPLE 1...
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