Unit Installation With Vertical Termination; 4" X 6-5/8" Venting; Gas Line Installation - Regency Bellavista B36XTCE Owners & Installation Manual

installation
UNIT INSTALLATION WITH
VERTICAL TERMINATION

4" X 6-5/8" VENTING

(Rigid Vent Systems)
(
MUST USE REDUCER
#946-606 AND RIGID PIPE ADAPTOR
#770-994)
1. Maintain the 1-1/2" clearances (air spaces) to
combustibles when passing
through ceilings, walls, roofs,
enclosures, attic rafter, or
other nearby combustible
surfaces. Do not pack air
spaces with insulation. Check
"Venting" Sections for the
maximum vertical rise of
the venting system and the
maximum horizontal offset
limitations.
2. Set the gas appliance in
its desired location. Drop a
plumb bob down from the
ceiling to the position of the
appliance flue exit, and mark
the location where the vent will
penetrate the ceiling. Drill a small hole at this
point. Next, drop a plumb bob from the roof to
the hole previously drilled in the ceiling, and
mark the spot where the vent will penetrate
the roof.
3. A Firestop spacer must be installed in the floor
or ceiling of every level. To install the Firestop
spacer in a flat ceiling or wall, cut a 10 inch
square hole. Frame the hole as shown in
Diagram 2 and install the firestop.
4. Assemble the desired lengths of pipe and
elbows. Ensure that all pipes and elbow con-
nections are in the fully twist-locked position
and sealed.
Note: All vertical terminations are vented
using 4" x 6-5/8" venting and reducer
#946-606 and rigid pipe adaptor #770-994.
Diagram 2
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50
Bellavista® B36XTCE-11 Gas Fireplace
5. Cut a hole in the roof centered on the small
drilled hole placed in the roof in Step 2. The hole
should be of sufficient size to meet the minimum
requirements for clearance to combustibles
of 1-1/2". Slip the flashing under the shingles
(shingles should overlap half the flashing) as
per Diagram 3.
NOTE: For best results and optimum perfor-
mance with each approved venting system, it is
highly recommended to apply "Mill-Pac" seal-
ant (supplied) to every inner pipe connection.
Failure to do so may result in drafting or per-
formance issues not covered under warranty.
6. Continue to assemble pipe lengths.
Note: If an offset is necessary in the attic
to avoid obstructions, it is important
to support the vent pipe every 3 feet,
Diagram 1
to avoid excessive stress on the
elbows, and possible separation.
Wall straps are available for this
purpose.
Diagram 3: The upper half of the flashing is
installed under the roofing material and not
nailed down until the chimney is installed. This
allows for small adjustments.
Galvanized pipe is desirable above the roofline
due to its higher corrosion resistance. Continue
to add pipe sections through the flashing until the
height of the vent cap meets the minimum height
requirements specified in Dia. 4 or local codes.
Note that for steep roof pitches, the vertical
height must be increased. A poor draft, or down
drafting can result from high wind conditions
near big trees or adjoining roof lines, in these
cases, increasing the vent height may solve
the problem.
Diagram 4
Minimum Vent Height
Roof Pitch Feet
flat to 7/12 2
over 7/12 to 8/12 2
over 8/12 to 9/12 2
over 9/12 to 10/12 2.5
over 10/12 to 11/12 3.25
over 11/12 to 12/12 4
over 12/12 to 14/12 5
over 14/12 to 16/12 6
over 16/12 to 18/12 7
over 18/12 to 20/12 7.5
over 20/12 to 21/12 8
7. Ensure vent is vertical and secure the base
of the flashing to the roof with roofing rails,
slide storm collar over the pipe section and
seal with a mastic.
8. Install the vertical termination cap by twist-
locking it.
Note: Any closets or storage spaces, which
the vent passes through must be
enclosed.

GAS LINE INSTALLATION

The gas line is brought through the right side of
the appliance. The gas valve is situated on the
right hand side of the unit and the gas inlet is on
the right hand side of the valve.
The gas line connection may be made of rigid pipe,
copper pipe or an approved flex connector. (If you
are using rigid pipe, ensure that the valve can be
removed for servicing.) Since some municipalities
have additional local codes it is always best to
consult with your local authorities and the CAN/
CGA B149 installation code.
For USA installations follow local codes and/or the
current National Fuel Gas Code, ANSI Z223.1.
When using copper or flex connectors use only
approved fittings. Always provide a union so that
gas lines can be easily disconnected for servicing.
Flare nuts for copper lines and flex connectors
are usually considered to meet this requirement.
Important: Always check for gas leaks with a
soap and water solution or gas leak detector.
Do not use open flame for leak testing.
Meters
0.61
0.61
0.61
0.76
0.99
1.22
1.52
1.83
2.13
2.29
2.44