Vermont Casting DVR33 - Manual (Page 10)

10
Vermont Castings, Majestic Products: DVR33
10004920
Canadian Installations 1 US Installations 2
A = Clearance above grade, veranda, porch,
12 in. (30 cm) 12 in. (30 cm)
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
(3 kW); 12 in (30 cm) for appliances (3 kW); 9 in. (23 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 (15 kW); 12 in. (30 cm) for appliances
>100,000 Btuh (30 kW) >50,000 Btuh (15 kW)
C = Clearance to permanently closed window 12 in. (305 mm) recommended to 12 in. (305 mm) recommended to
prevent window condensation prevent window condensation
D = Vertical clearance to ventilated soffit located
above the terminal within a horizontal distance 18 in. (458 mm) 18 in. (458 mm)
of 2 ft. (610 mm) from the center line of the
terminal
E = Clearance to unventilated soffit 12 in. (305 mm) 12 in. (305 mm)
F = Clearance to outside corner (See next page.) (See next page.)
G = Clearance to inside corner (See next page.) (See next page.)
H = Clearance to each inside of center line 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)
extended above meter/regulator assembly above the meter/regulator assembly above the meter/regulator assembly
I = Clearance to service regulator vent outlet 3 ft. (91 cm) 3 ft. (91 cm)
J = Clearance to non-mechanical air supply 6 in. (15 cm) for appliances <10,000 Btuh 6 in. (15 cm) for appliances <10,000 Btuh
inlet to building or the combustion air inlet (3 kW); 12 in. (30 cm) for appliances (3 kW); 9 in. (23 cm) for appliances
to any other appliance >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 (15 kW); 12 in. (30 cm) for appliances
>100,000 Btuh (30 kW) >50,000 Btuh (15 kW)
K = Clearance to a mechanical air supply inlet 6 ft. (1.83 m) 3 ft. (91 cm) above if within 10 ft. (3.05 m)
horizontally
L = Clearance above paved sidewalk or a 7 ft. (2.13 m)† 7 ft. (2.13 m)†
paved driveway located on public property
M = Clearance under veranda, porch, deck or 12 in. (30 cm)‡ 12 in. (30 cm)‡
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).
General Venting Information–Termination Location
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.
V
V
V
V
V
V
V
X
X
X
D
E
B
B B
C
B
M
B
A
J
K
F
L
VENT TERMINATION AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED
H
I
Fixed
Closed
Fixed
Closed
Operable Operable
Fixed
Closed
V
B
INSIDE
CORNER DETAIL
V
A
G
V
N
N
V
V
G
G
A
Fig. 11 Vent termination clearances
CFM145a