Viessmann VITOCROSSAL 200 CI2 Series Installation Instructions Manual page 49

Vitocrossal 200 CI2 Installation
General Venting Information
Vent termination location requirements (for installations in Canada)
The vent must be installed observing local regulations in
addition to National Codes, CAN/CSA-B149.1 or 2. The
flexible vent pipe can only be used in vertical installations.
A vent must NOT terminate...
1.....directly above a paved sidewalk or paved driveway
which is located between two single-family dwellings and
serves both dwellings.
2.....less than 7 ft. (2.13 m) above a paved sidewalk or a
paved driveway located on public property.
3.....within 6 ft. (1.83 m) of a mechanical air supply
inlet* to any building (dryer vents, non-sealed
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combustion furnace and hot water heater vents are
considered to be mechanical air inlets).
4.....above a meter/regulator assembly within 3 ft. (0.9 m)
horizontally of the vertical center line of the regulator vent
outlet and to a maximum vertical distance of 15 ft. (4.5 m).
5.....within 3 ft. (0.9 m) of any gas service regulator vent outlet.
6.....less than 1 ft. (0.3 m) above grade level or
anticipated snow level (consult local building authorities
or local weather office). Locate the vent termination in
such a way that it cannot be blocked by snow.
7.....within the following distances of a window or door
which can be opened in any building, any non-mechanical
air supply inlet to any building or the combustion air inlet
of any other appliance:
1 ft. (0.3 m) for inputs up to and including 100 000
Btu/h / 30 kW.
3 ft. (0.9 m) for input exceeding 100 000 Btu/h / 30 kW.
Vent Termination Location Requirements (for installations in the U.S.A.)
The vent must be installed observing local regulations in
addition to National Codes, ANSI-Z223.1 or NFPA 54.
The flexible vent pipe can only be used in vertical installations.
A vent must NOT terminate...
1.....less than 7 ft. (2.13 m) above a paved sidewalk or
a paved driveway located on public property.
2....within 4 ft. (1.2.m) horizontally from service regulator
vents, electric and gas meters as well as relief equipment.
3....at least 3 ft. (0.9 m) above any forced air inlet
located within 10 ft. (3 m).
4.....less than 1 ft. (0.3 m) above grade level or
anticipated snow level (consult local building authorities
or local weather office). Locate the vent termination in
such a way that it cannot be blocked by snow.
5.....within 1 ft. (0.3 m) of a window or door which can
be opened in any building, any non-mechanical air supply
inlet to any building or the combustion inlet of any other
appliance.
(continued)
8.....underneath a veranda, porch or deck, unless:
the veranda, porch, or deck is fully open on a minimum
of two sides beneath the floor, and
the distance between the top of the vent termination and
the underside of the veranda, porch, or deck is greater
than 1 ft. (0.3 m).
9.....in areas where condensation may cause problems,
such as above planters, patios, or adjacent to windows
where flue gases may cause fogging.
10....within 3 ft. (0.9 m) to the property line (advisable,
not mandatory; please check with local building
authorities and municipal bylaws).
11....at a location where ice formation on the ground can
present a hazard.
12....so that the flue gases are directed toward brickwork,
siding, or other construction, in such a manner that may
cause damage from heat or condensate from the flue
gases.
13....where discharging hot flue gases may cause
property damage or personal injury.
14....within 3 ft. (0.9 m) from an inside corner of outside
walls.
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* Including heat recovery units.
6.....in areas where condensation may cause problems,
such as above planters, patios, or adjacent to windows
where flue gases may cause fogging.
7.....within 3 ft. (0.9 m) to the property line (advisable,
not mandatory; please check with local building
authorities and municipal bylaws).
8.....at a location where ice formation on the ground can
present a hazard.
9.....so that the flue gases are directed toward brickwork,
siding, or other construction, in such a manner that may
cause damage from heat or condensate from the flue
gases.
10....where discharging hot flue gases may cause
property damage or personal injury.
11....within 3 ft. (0.9 m) from an inside corner of outside
walls.
Venting
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