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City Series CB60EPV
installation
Vertical Inline Power Vent Terminations (Part 946-755)
Flex Pipe
Diagram 1 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.
1.
Maintain the 1-½” clearance (air space) to combustibles when passing
through ceilings, walls, floors, enclosures, attic rafters or other nearby
combustibles. 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.
Ensure that you maintain clearances around enclosures, walls, below
or above floors, floor joists, etc. Each appliance has different clearance
requirements (top,sides,bottom). See specific appliance manual for details.
2.
Set the appliance in its desired position. Drop a plumb bob down from
the ceiling/floor joist 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 at the ceiling level and mark the spot where the vent will penetrate
the roof.
6
.
Determine the overall height of the chimney from the top of the appliance
to the underside of the inline power vent. If required cut the flexible inner
and outer pipe to the desired length up to a maximum of 20 feet.
7. Put a bead of Mill-Pac around the 4 inch collar on the appliance and slide
the inner flex pipe over the inner collar of the appliance and secure with
a minimum of 3 screws.
8. Install 4 inch spacers around 4 inch flex.
9. Repeat Step 7 to install the outer pipe to the outer collar of the appliance.
10. Repeat Step 7 to secure 4 inch flex to inline power vent. Repeat steps
to attach outer collar to inline power vent.
Note: If an offset is necessary in the attic or floor joists it is important
to support the vent pipe every 3 feet to avoid excessive stress
and sagging of the vent pipe. Wall straps are provided (3 in total)
for this purpose. All round/plumbers strapping may also be used
if further supports are required.
11. Determine the overall height of the chimney from the top side of the inline
power vent to the underside of the flashing. If required, cut the flexible
inner and outer pipe to the desired length.
12. Put a bead of Mil-Pac around the inner pipe adaptor (supplied with the
inline power vent) and attach the inner pipe adaptor to the inner collar of
the inline power vent (see Diagram 3, next page).
13. Put a bead of Mil-Pac around the other end of the inner pipe adaptor and
slide the 4" flex over the collar of the inner pipe adaptor; secure with 3
screws.
14. Install 4" spacers around 4" flex.
15. Put a bead of Mil-Pac around the outer collar of the inline power vent and
slide outer pipe over the inline power vent; secure with 3 screws.
16. Attach the rigid pipe section to the flex to rigid adaptor using Mill-Pac on
the inner/outer pipe. Use 3 screws to secure outer pipe.
17. Secure inner flex pipe to pipe adaptor using Mill-Pac over the adaptor.
Slide the inner pipe over the flex to rigid adaptor and secure with 3 screws.
18. Repeat Step 17 to secure outer flex.
3
.
Cut a hole in the roof centered on the small hole placed in the roof in the
previous steps. The hole should be a minimum of 10-¼ inches. The hole
may be round and or square.
4.
Slip the flashing under the shingles and line up flashing so it is centered
to the hole (shingles should overlap half of the flashing) as per Diagram
1.
60
-1/4
Ceiling firestop
Diagram 2a
Diagram 1
Enclosure
Ceiling firestop
Flashing
Termination Cap
Storm Collar
Roof support
Ceiling firestop
Firestop spacer to prevent debris
from falling into the ceiling firestop
5. A ceiling firestop/firestop spacer must be installed when passing through
each floor or ceiling level. To install the ceiling firestop/firestop spacer in
a flat ceiling or floor joist cut a 10- ¼ inch square hole. Frame the hole
as show in Diagram 2 and install the ceiling firestop. Slide the top attic
insulation spacer onto the top of the attic insulation shield/firestop - See
Diagram 2a. Secure with 4 screws/nails. If more than one is required, these
can be purchased separately.
Note:
The ceiling firestop/firestop spacer may be cut down to size if this
shield is too high for the application.
Note: The roof flashing is not included with this kit and must be purchased
separately.
Must choose 1 of the following:
Part # Description
46DVA-F12
Flashing 7/12 - 12/12
46DVA-F6
Flashing 0/12-6/12
46DVA-FF
Flat Roof Flashing
Important: For the CB60EPV/CV60EPV models, the 946-758 reducer must
be purchased for the top of the appliance. This must be attached to the inner
and outer flue collar of the applilance prior to installation.
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