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Arctic Installation and Operation Manual
located where there is no possibility of cold
air affecting steam or water lines or other
temperature sensitive equipment.
3.4.2.2 Combustion Air Supply Dampers,
Louvers, and Grilles
The free area of the combustion air supply
opening shall be calculated by subtracting the
blockage area of all fixed louvers, grilles or
screens from the gross area of the opening.
Openings in a fixed louver, grille, or screen
shall have no dimension smaller than ¼" (6
mm).
No manually operated damper or manually
operated adjustable louvers are permitted.
A motorized damper or louvers shall be
interlocked so the burner(s) cannot operate
unless the damper or louver is in the fully
open position.
3.4.2.3 Mechanical Combustion Air
Supply
When combustion air is supplied by
mechanical means, an airflow sensing device
shall be installed and wired into the safety
limit circuit of the primary safety control to
shut off the gas in the even a an air supply
failure.
3.4.2.4 Appliance Venting per CAN/CSA-
B149.1-05
Paragraph 8.9 of CAN/CSA-B149.1-05
addresses "Appliance Venting". Paragraphs
8.9 through 8.31 address many facets of flue
gas vents, many of which do not apply to the
this boiler, which is a Category IV listed
appliance requiring the use of special venting
systems as previously described.
Thermal Solutions, 1175 Manheim Pike, Lancaster, PA 17601 Web:
Phone: 717-239-7642 Fax: 877-501-5212 Email:
20
NOTICE
Please note that the information provided
in this manual relative to the Canadian
Standard is not meant to be all-inclusive.
Reading the entire Standard is strongly
suggested.
The final approval of all
system designs must be acceptable to the
authority having jurisdiction.
• Venting for Category IV appliances
shall be as specified or furnished by
the
manufacturer
appliance. This boiler is a Category
IV appliance requiring the use of
special vent that is certified.
• A special venting system shall be
installed in accordance with the terms
of
it's
listing
manufacturers certified installation
manual.
• A flue gas vent or a vent connector
shall not be installed in either a duct
or a shaft used for return air, hot air,
ventilating air, or combustion air.
• An appliance that operates at a
positive vent pressure shall not be
connected to a venting system serving
any other appliance.
operates at a positive vent pressure.
• A factory-built chimney used for
venting an appliance shall be certified.
3.5
Requirements
3.5.1 Electrical
WARNING
All electrical connections must conform to
the National Electrical Code, ANSI /
NFPA 70 and / or CSA C22.1 Electrical
Code and all other State and Local codes.
www.thermalsolutions.com
sales@thermalsolutions.com
Form: 2435
Revision: 8
Date: 9-19-2016
of
the
listed
and
the
vent
This boiler
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