Venting
A. Clearance above grade, veranda, porch, deck,
or balcony 12in [30cm] min.
[1,2]
B. Clearance to window or door that may be
opened. 12in [30cm] min. for appliances
100,000BTUh [30kW] and lower, in Canada.
9in
[2]
[23cm] for appliances 50,000 BTUh and
lower, in USA.
C. Clearance to permanently closed window min.
12in [30cm] recommended to prevent
condensation on window, in Canada. 9in
[2]
[23cm] for appliances 50,000 BTUh and lower,
in USA.
D. Vertical clearance to ventilated soffit located
above the termination within a horizontal
distance of 2ft [60cm] from the center line of the
termination. 18in [46cm] min.
[4]
E. Clearance to unventilated soffit 12in [30cm] min.
F. Clearance under veranda, porch, deck or
balcony 12in [30cm] min.
[3]
(US
[4]
)
G. Clearance from a perpendicular inside wall or
outer corner to the edge of the vent terminal
plate is 3in [7.6cm] min.
H. Clearance to each side of center line extended
above meter/regulator assembly 3ft [91cm]
within a height 15ft [4.5m] above the
meter/regulator assembly.
I.
Clearance to service regulator vent outlet 3ft
[91cm] min.
[1]
(US
[4]
)
J. Clearance to non-mechanical air supply inlet to
building or the combustion air inlet to any other
appliance: In Canada, 6in [15cm] for appliances
≤
10,000 BTUh [3kW], 12in
[1]
[30cm] minimum for
1
In accordance with the current CSA B149.1, Natural Gas and
Propane Code.
2
In accordance with the current ANSI Z223.1/NFPA 54, National
Fuel Gas Code.
3
Permitted only if veranda, porch, deck, or balcony is fully open
on a minimum of two sides beneath the floor.
4
Clearance in accordance with local installation codes and the
requirements of the gas supplier.
appliances >10,000 BTUh [3kW] and
≤
100,000
BTUh [30kW], 36in [91cm] for appliances
>100,000 BTUh [30kW]. In the USA, 6in
[2]
[15cm] for appliances
≤
10,000 BTUh [3kW], 9in
[23cm] for appliances >10,000 BTUh [3kW] and
≤
50,000 BTUh [15kW], 12in [30cm] for
appliances >50,000 BTUh [15kW].
K. Clearance to a mechanical air supply inlet 6ft
[1.8m] min.
[1]
in Canada. In USA, 3ft [91cm]
above if within 10ft
[2]
[3m] horizontally.
L. Clearance above paved sidewalk or a paved
driveway located on public property 7ft [2.1m]
min.
[5]
M. Clearance above highest point of exit on roof
18in [45cm].
N. Clearance to perpendicular wall 24in [60cm].
(Recommended to prevent re-circulation of exhaust products. For
additional requirements check local codes.)
5
A vent shall not terminate directly above a sidewalk or paved
driveway that is located between two single family dwellings and
serves both dwellings.
37
Содержание Marquis Serenity MQZDV1917
Страница 10: ...General Framing Installations Figure 5 General framing installation 10...
Страница 31: ...Gas Conversion for Modulator PART C WARNING WARNING 31...
Страница 34: ...Configuration 1 Basic manual HI LO and manual ON OFF capabilities 34...
Страница 35: ...Receiver Module 584 523 521 221 1001 P221SI Receiver Module 584 523 521 221 1001 P221SI 35...