Masonry Fireplace Requirements; Drafting Performance; Fireplace With Direct Connection (Masonry Fireplace) - SCAN DSA 4 Instructions For Installation And Use Manual

4.4

Masonry Fireplace Requirements

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The chimney must have a clay tile liner or a stainless steel liner (positive connection).
•
Entire fireplace, including chimney, must be clean and undamaged. Any damage must be
repaired prior to installation of the fireplace.
•
Chimney height: 15' minimum; 28' maximum.
•
The entire fireplace, including chimney, must meet local building requirements.
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Do not remove bricks or mortar from the existing fireplace
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The existing fireplace damper must be removed or locked in the open position.
•
Any opening between the masonry of the fireplace and the facing masonry must be
permanently sealed.
•
CANADA REQUIREMENT: The fireplace insert must be installed with a continuous liner of 6"
diameter extending from the fireplace insert to the top of the chimney. The chimney liner must
conform to the class 3 requirements of CAN/ULC S365 standard for Lining for Systems for
Existing Masonry of Factory –Built Chimneys and Vents, or CAN/ULC s640, Standard for Lining
systems for New Masonry Chimneys
4.5 Draft Performance
This appliance relies upon natural draft to operate. External forces such as wind, barometric pressure,
topography, or factors of the home (negative pressure from exhaust fans, chimneys, air infiltration,
etc.), may adversely affect
alleviate environmental issues specific to your installation that may be cause less than optimal
performance.
4.6 Fireplace with Direct Connection (Masonry Fireplace- US ONLY)
Note: Direct connections require installation of an airtight block-off plate or damper adapter
NOTE: This installation may be used with a masonry fireplace. This illustration depicts a masonry
insert. All requirements in the section "Masonry Fireplace Requirements" must be fulfilled prior to
installation.
draft. Consult your local Scan dealer for advice and suggestions to help
A = Combustible mantle
B = Surround panels
C = See the section "Insert Placement Require-
ments" for minimum clearances and hearth
required.
D = Flue liner must be tile lined.
E = Stainless steel chimney connector must ex-
tend 1 foot (305 mm) past the block-off plate
into the first flue tile.
F = Airtight insulated clean-out
G = Remove damper or wire it open
H = Block-off plate or damper adapter
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