Vermont Castings DVR33 Homeowner's Installation And Operating Manual page 10

Vermont Castings, Majestic Products: DVR33
D
E
B
L
VENT TERMINATION
V
A = Clearance above grade, veranda, porch,
deck or balcony
B = Clearance to window/door that may be opened 6 in. (15 cm) for appliances <10,000 Btuh 6 in. (15 cm) for appliances <10,000 Btuh
C = Clearance to permanently closed window
D = Vertical clearance to ventilated soffit located
above the terminal within a horizontal distance 18 in. (458 mm)
of 2 ft. (610 mm) 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 inside of center line
extended above meter/regulator assembly
I = Clearance to service regulator vent outlet
J = Clearance to non-mechanical air supply
inlet to building or the combustion air inlet
to any other appliance
K = Clearance to a mechanical air supply inlet
L = Clearance above paved sidewalk or a
paved driveway located on public property
M = Clearance under veranda, porch, deck or
balcony
N = Clearance above a roof shall extend a minimum of 24" (610 mm) above the highest point when it passes through the roof
surface, and any other obstruction within a horizontal distance of 18" (450 mm).
1 In accordance with current CSA-B149 Installation Codes.
2 In accordance with current ANSI Z223.1/ NFPA 54 National Fuel Gas Codes.
† A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single-family dwellings,
and which serves both dwellings.
‡ Only permitted if veranda/porch/deck is fully open on a of minimum two sides beneath the floor.
NOTES: • Local codes or regulations may require different clearances.
• The special venting system used on Vermont Castings, Majestic Products Direct Vent Fireplaces are certified
as part of the appliance, with clearances tested and approved by the listing agency.
Fig. 11 Vent termination clearances
10
General Venting Information–Termination Location
CORNER DETAIL
A
C
B
V Fixed Fixed
Closed Closed
V
Operable
F
V
B
B
X AIR SUPPLY INLET
12 in. (30 cm)
(3 kW); 12 in (30 cm) for appliances
>10,000 Btuh (3 kW) and <100,000 Btuh >10,000 Btuh (3 kW) and <50,000 Btuh
(30 kW); 36 in. (91 cm) for appliances
>100,000 Btuh (30 kW)
12 in. (305 mm) recommended to
prevent window condensation
12 in. (305 mm)
(See next page.)
(See next page.)
3 ft. (91 cm) within a height of 15 ft. (4.57 m) 3 ft. (91 cm) within a height of 15 ft. (4.57 m)
above the meter/regulator assembly
3 ft. (91 cm)
6 in. (15 cm) for appliances <10,000 Btuh 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 >10,000 Btuh (3 kW) and <50,000 Btuh
(30 kW); 36 in (91 cm) for appliances
>100,000 Btuh (30 kW)
6 ft. (1.83 m)
7 ft. (2.13 m)†
12 in. (30 cm)‡
INSIDE
G
V
H
B
V
Fixed
Closed
B
V
X
J
A
AREA WHERE TERMINAL IS NOT PERMITTED
Canadian Installations
N
N
M
I V K
1
US Installations
12 in. (30 cm)
(3 kW); 9 in. (23 cm) for appliances
(15 kW); 12 in. (30 cm) for appliances
>50,000 Btuh (15 kW)
12 in. (305 mm) recommended to
prevent window condensation
18 in. (458 mm)
12 in. (305 mm)
(See next page.)
(See next page.)
above the meter/regulator assembly
3 ft. (91 cm)
(3 kW); 9 in. (23 cm) for appliances
(15 kW); 12 in. (30 cm) for appliances
>50,000 Btuh (15 kW)
3 ft. (91 cm) above if within 10 ft. (3.05 m)
horizontally
7 ft. (2.13 m)†
12 in. (30 cm)‡
G
V
G
X
V
A
CFM145a
2
10004920