Lochinvar Shield SWA150, Инструкция по установке и обслуживанию

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27
3
Sidewall direct venting
(continued)
Installation & Service Manual
Canadian Installations¹ US Installations²
A =
Clearance above grade, veranda, porch,
deck, or balcony
12 in (30 cm) 12 in (30 cm)
B =
Clearance to window or door that may
be opened
6 in (15 cm) for appliances < 10,000 Btuh
(3 kW), 12 in (30 cm) for appliances >
10,000 Btuh (3 kW) and < 100,000 Btuh
(30 kW), 36 in (91 cm) for appliances >
100,000 Btuh (30 kW)
4 ft (1.2 m) below or to side of opening; 1 ft
(300 mm) above opening
C =
Clearance to permanently closed
window
* *
D =
Vertical clearance to ventilated soffit
located above the terminal within a
horizontal distance of 2 ft (61 cm) from
the center line of the terminal.
* *
E = Clearance to unventilated soffit
* *
F = Clearance to outside corner
* *
G = Clearance to inside corner
* *
H =
Clearance to each side of center line
extended above meter / regulator
assembly
* *
I =
Clearance to service regulator vent
outlet
Above a regulator within 3 ft (91 cm)
horizontally of the vertical center line of the
regulator vent outlet to a maximum vertical
distance of 15 ft (4.5 m)
*
J =
Clearance to nonmechanical air supply
inlet to building or the combustion air
inlet to any other appliance
6 in (15 cm) for appliances < 10,000 Btuh
(3kW), 12 in (30 cm) for appliances >
10,000 Btuh (3 kW) and < 100,000 Btuh
(30 kW), 36 in (91 cm) for appliances >
100,000 Btuh (30 kW)
4 ft (1.2 m) below or to side of opening; 1 ft
(300 mm) above opening
K =
Clearance to a mechanical air supply
inlet
6 ft (1.83 m) 3 ft (91 cm) above if within 10 ft (3 m)
horizontally
L =
Clearance above paved sidewalk or
paved driveway located on public
property
7 ft (2.13 m)† 7 ft (2.13 m)
M =
Clearance under veranda, porch, deck,
or balcony
12 in (30 cm)‡ *
* Clearance in accordance with local installation codes and the requirements of the gas supplier.
†
A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings
and serves both dwellings.
‡
Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath he floor.
NOTES:
1) In accordance with the current CSA B149.1, Natural Gas and Propane Installation Code
2) In accordance with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code
Table 3C Other than Direct Vent Terminal Clearances