Framing And Finishing - Empire Comfort Systems DVP20MS Installation Instructions And Owner's Manual

Installing Support Brackets
A horizontal pipe support MUST BE used for each 3 feet of horizontal
run. The pipe supports should be placed around 6-5/8 inch diameter
pipe and nailed in place to framing members. There MUST BE a
2 inch clearance to combustibles above 6-5/8 inch diameter pipe and
elbows and 1 inch clearance on both sides and bottom of 6-5/8 inch
to combustibles on all horizontal pipe sections and elbows.
Vertical runs of this vent systems must be supported every 4 feet
above the appliance flue outlet by wall brackets attached to the
6-5/8 inch vent pipe and secured with nails or screws to structural
framing members.
PIPE STRAP
48"
(1219mm)
Installing Firestops
Firestops are required for safety whenever the vent system passes
through an interior wall, an exterior wall, or a ceiling. These firestops
act as a firebreak heat shield and as a means to insure that minimum
clearances are maintained to the vent system.
Horizontal runs in the vent system which pass through either interior
or exterior walls, require the use of wall firestops on both sides of
the wall through which the vent passes.
Position the firestops on both sides of the 9-1/8 inch x 11 inch hole
for 4 x 6 inch pipe and 10-1/2 x 10-1/2 inch hole for 5 x 8 inch pipe,
previously cut. Secure with nails or screws. Continue the vent run
through the firestops. See Figure 15.
42603-4-0421

FRAMING AND FINISHING

MINIMUM 1" (25.4mm)
CLEARANCE TO COMBUSTIBLE
CONSTRUCTION WITH
DOUBLE WALL VENT PIPE
STUD WALL
Figure 14
11"
(297 mm)
MIN.
9 1/8"
(232 mm)
MIN.
INSIDE THIMBLE ASSEMBLY
Vertical runs of this system which pass through ceilings require the
use of one ceiling firestop at the hole in each ceiling through which
the vent passes.
Position a plumb bob directly over the center of the vertical vent
component and mark the ceiling to establish the center point of the
vent. Drill a hole or drive a nail through this center point and check
the floor above for any obstructions such as wiring or plumbing
runs. Reposition the appliance and vent system, if necessary, to
accommodate ceiling joists and/or obstructions.
Cut a 9 inch x 9 inch hole through the ceiling, using the center point
previously marked. Frame the hole with framing lumber the same
size as the ceiling joists. See Figure 16. If the area above the ceiling
is NOT an attic, position and secure the ceiling firestop (46DVA-FS)
on the ceiling side of the previously cut and framed hole. See Figure
17. If the area above the ceiling IS an attic, position and secure
the firestop on top of the previously framed hole. See Figure 18.
NOTE: Remove insulation from the framed area in the attic before
installing the firestop and/or vent stop and/or vent pipes.
OUTSIDE THIMBLE ASSEMBLY
EXTERIOR
SHEAVING
Figure 15
Figure 16
Page 17