Chimney Requirements - Quadra-Fire YOSEMITE-MBK Owner's Manual

5
Yosemite Wood Stove

Chimney Requirements

A. Venting Components
Chimney Connector:
It is also known as flue pipe or stove pipe. The chimney
connector joins the stove to the chimney. It must be a 6 inch
(152mm) minimum diameter 24 gauge mild steel black or
26 gauge blued steel, or an approved air-insulated double
wall venting pipe.
Thimble:
A manufactured or site-constructed device installed in
combustible walls through which the chimney connector
passes to the chimney. It is intended to keep the walls
from igniting. Site constructed thimbles must meet
NFPA 211 Standards. Prefabricated must be suitable
for use with selected chimney and meet UL103 Type
HT Standards. Follow instructions provided by the
manufacturer for manufactured thimbles for masonry
chimney and prefabricated chimneys.
Chimney:
The chimney can be new or existing, masonry or
prefabricated and must meet the following minimum
requirements specified in Section 5B.
Combustible Outside Wall
Listed
2" (51mm)
Chimney Pipe
Clearance
Chimney
Listed Chimney
Connector
Listed Cap
Maintain 2" (51mm)
To Stove
Clearance Through Eave Insulated "T"
Wall Support
Trim Collar
on Inside Wall Spacer on
Wall Outside Wall
Flashing
*
Combustible
Ceiling
Insulated "T"
Chimney
Connector
*
*
Combustible Wall
Floor
Protector
*
Refer to Clearances to Combustibles
Figure 16.1 Prefabricated Exterior Chimney
Page 16
B. Chimney Systems
Prefabricated Metal Chimney
• Must be minimum 6 inch (152mm) diameter (ID) high
temperature chimney listed to UL 103 HT (2100
ULC S629M.
• Must use components required by the manufacturer for
installation.
• Must maintain clearances required by the manufacturer
for installation.
• Refer to manufacturers instructions for installation.
NOTE: In Canada when using a factory-built chimney it must
o
be safety listed, Type UL103 HT (2100 F) CLASS "A" or
conforming to CAN/ULC-S629M, STANDARD FOR 650
FACTORY-BUILT CHIMNEYS.
Horizontal Flue Heat Shield, Accessory Part
HTSHLD-7006 is required for rear vent instal-
lations.
Listed Cap
Maintain 2" (51mm)
Combustible
Clearance Storm Collar
Ceiling
Joists
Flashing
Chimney
Connector
Listed Chimney
Ceiling Support
Combustible Wall
Chimney
Connector *
*
Refer to Clearances
to Combustibles
*
Floor
Protector
Figure 16.2 - Prefabricated Interior Chimney
7004-187H
R
Thimble
Site constructed for masonry chimney installation:
Components
• A minimum length of 12 inches [305mm] (longer for thicker
walls) of solid insulated factory-built chimney length con-
structed to UL 103 Type HT 6 inch (152mm) inside diam-
eter. Chimney needs to extend a minimum of 2 inches
(51mm) from the interior wall and a minimum of 1 inch
o
F) or (25mm) from the exterior wall.
• Wall spacer, trim collar and wall band to fit solid pack
chimney selected.
• Minimum 8 inch (203mm) diameter clay liner section (if
not already present in chimney) and refractory mortar.
Air Clearances
• Masonry chimney clearance must meet NFPA 211 mini-
mum requirement of 2 inches (51mm) to sheet metal sup-
ports and combustibles.
• Minimum of 1 inch (25mm) clearance around the chimney
o
C
connector.
• Top of wall opening is a minimum of 13-1/2 inches
(343mm) from ceiling or 4-1/2 inches (114mm) below
minimum clearance specified by chimney connector man-
ufacturer. NFPA 211 minimum vertical clearance of 18
inches (457mm) from chimney connector and ceiling or
minimum recommended by chimney connector manufac-
turer. Figure 17.1.
Instructions:
Listed
Chimney
Attic
1. Open inside wall at proper height for the chimney con-
Insulation
nector to entry the masonry chimney. Figure 17.1
Shield
Specified
2. Entry hole to masonry chimney must be lined with an 8
Clearance
inch (203mm) minimum diameter clay liner, or equiva-
lent, secured with refractory mortar.
Ceiling
Support
3. Construct a 17 inch x 17 inch (432mm x 432mm) outside
dimension frame from 2 x 2 framing lumber to fit into wall
To Stove
opening. Inside opening of frame should be no less than
14 inch x 14 inch (356mm x 356mm). Figure 17.1.
4. Attach the wall spacer to the chimney side of the frame.
5. Nail the frame into the wall opening. The spacer should
be on the chimney side.
6. Insert the section of the solid insulated chimney into the
outer wall of the masonry chimney.
7. Tightly secure the length of the solid insulated chimney
with the wall band to the masonry chimney.
8. Insert a section of chimney connector into the chimney.
Make sure it does not protrude past the edge of the clay
chimney liner inside the chimney.
9. Seal the end of the chimney connector to the clay liner
with refractory mortar.
10. Install trim collar around the sold pack chimney section.
June 23, 2011 June 23, 2011
R
17.0" OD
14.0" ID
Center of Hole
Thimble
Figure 17.1
Trim Collar
Chimney Section
with 2 inch
(51mm)
Clearance to
Combustibles
Figure 17.2 - Solid Pack Chimney with Metal Sup-
ports as a Thimble
Fire Risk.
Do NOT pack insulation or other combustibles between
spacers.
•
•
Failure to keep insulation or other material away from
vent pipe may cause fire.
7004-187H
Yosemite Wood Stove
C L
ceiling
13.5" below ceiling to top
of opening
Wall
or top of opening is a min.of
4.5" below min.clearance
Minimum18.0"
specified by connector mfg.
NFPA 211
1.5 2x2 framing stud
2.0 min air clearance
1.0 min air clearance
4.5
1.5"
2.0"
1.0"
C L
8.0"
1.0"
2.0"
1.5"
Include depth
of hearth pad
Fire Clay Flue
Liner
with Airspace
Masonry
Chimney
Wall Spacer
Wall Band to
Secure Chimney
Section
Chimney
Wood Studs Used
Connector
for Framing - Spaced
2 inch (51mm)
clearance from
Masonry Chimney
WARNING
ALWAYS maintain specified clearances around
venting and spacers.
Install spacers as specified.
Page 17