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UNIT INSTALLATION WITH HORIZONTAL TERMINATION
Install the vent system according to the
manufacturer's instructions included with the
components.
1) Set the unit in its desired location. Check
to determine if wall studs or roof rafters
are in the way when the venting system is
attached. If this is the case, you may want
to adjust the location of the unit. Rough in
the gas preferably on the right side of the
unit and the electrical (junction block is on
the left side) on the left.
2) Direct Vent pipe and fittings are designed with
special twist-lock connections to connect the
venting system to the appliance flue outlet. A
twist-lock appliance adaptor is an available
option that must be used in conjunction with
the Simpson Dura-Vent Direct Vent system.
3) Put a bead of Mill-Pac inside the outer section
of the adapter and on the inner collar. Slip
the adapter over the existing inner and outer
flue collar and fasten to the outer collar only
with the 3 supplied screws (drilling pilot holes
will make this easier). Level the fireplace and
fasten it to the framing using nails or screws
through the nailing strips.
4) Assemble the desired combination of pipe
and elbows to the appliance adaptor and
twist-lock for a solid connection.
Note:
a) Twist-lock procedure: Four indentations,
located on the female ends of pipes and
fittings, are designed to slide straight
onto the male ends of adjacent pipes
and fittings, by orienting the four pipe
indentations so they match and slide
in to the four entry slots on the male
ends, Dia. 1. Push the pipe sections
completely
together, then twist-lock
one section clockwise approximately
one-quarter turn, until the two sections
are fully locked. The female locking lugs
will not be visible from the outside, on
the Black Pipe or fittings. They may be
located by examining the inside of the
female ends.
Diagram 1
NOTE:
For best results and optimum
performance with each approved venting
system, it is highly recommended to apply
"Mill-Pac" sealant (supplied) to every inner
pipe connection. Failure to do so may result
in drafting or performance issues not covered
under warranty.
b) Horizontal runs of vent must be supported
every three feet. Wall straps are available for
this purpose.
5) Mark the wall for a 10" x 10" square hole. The
center of the square hole should line up with the
centerline of the horizontal pipe. Cut and frame
the 10 inch square hole in the exterior wall where
the vent will be terminated. If the wall being
penetrated is constructed of non-combustible
material, i.e. masonry block or concrete, a
7"(178mm) diameter (7-1/2"(191mm) dia. for
flex) hole is acceptable.
Note:
a) The horizontal run of vent must be level, or
have a 1/4 inch rise for every 1 foot of run
towards the termination. Never allow the
vent to run downward. This could cause
high temperatures and may present the
possibility of a fire.
b) The location of the horizontal vent
termination on an exterior wall must meet all
local and national building codes, and must
not be blocked or obstructed. See "Exterior
Vent Terminal Locations" Section.
c) Snorkel Terminations:
For installations requiring a vertical rise on
the exterior of the building, 14-inch and 36-
inch tall Snorkel Terminations and the Riser
Vent as shown in Dia. 2 & 2a are available.
Follow the same installation procedures as
used for standard Horizontal Termination.
NEVER install the snorkel upside down.
Diagram 2
*As specified in CGA B149 Installation Code.
Local codes or regulations may require different
clearances.
installation
Riser Vent
Diagram 2a
Termination
Below Grade Snorkel Installation
If the Snorkel Termination must be
installed below grade, i.e. basement
application, proper drainage must be
provided to prevent water from entering
the Snorkel Termination. Refer to
Dura-Vent Installation instructions for
details. Do not attempt to enclose the
Snorkel within the wall, or any other
type of enclosure.
6) The arrow on the vent cap should
be pointing up. Insure that the 1-1/2"
clearances to combustible materials are
maintained (Dia. 3). Install the termination
cap. AstroCap
or Dura-Vent Horizontal
TM
Termination Cap may be used.
Diagram 3
The four wood screws provided should
be replaced with appropriate fasteners for
stucco, brick, concrete, or other types of
sidings.
Note: If installing termination on a siding
covered wall, a vinyl siding standoff
or furring strips must be used to
ensure that the termination is not
recessed into the siding.
7) Before connecting the horizontal run of
vent pipe to the vent termination, slide the
Wall Thimble (Part # 620-926) over the vent
pipe.
P33CE-10 Direct Vent Gas Fireplace
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31
Min. 6-1/4"*
(159mm)
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31
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