General Venting Information - Irving IRFSDV24 Installation Instructions And Homeowner's Manual

GENERAL VENTING INFORMATION–TERMINATION LOCATION
D
E
B
L
V
CFM145a
A = Clearance above grade, veranda, porch,
deck, or balcony
B = Clearance to window/door that may be opened
C = Clearance to permanently closed window
D = Vertical clearance to ventilated soffit
located above the terminal within a hori-
zontal distance of 2 feet (610mm) 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" (610mm) above the highest point when it passes through the roof surface,
and any other obstruction within a horizontal distance of 18" (450mm).
1 In accordance with the current CSA-B149 Instalation Codes.
2 In accordance with the 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 serves both dwellings.
‡ Only permitted if veranda, porch, deck, is fully open on a minimum 2 sides beneath the floor.
Note: 1. Local codes or regulations may require different clearances.
2. The special venting system used on Vermont Castings Majestic Products Company's Direct Vent Fireplaces
are certified as part of the appliance, with clearances tested and approved by the listing agency.
10004000
CORNER DETAIL
A
C
B
V
Fixed Fixed
Closed Closed
V
Operable
F
V
B
B
VENT TERMINATION X AIR SUPPLY INLET
Canadian Installations
12 inches (30cm)
6 in (15cm) for appliances<10,000 Btuh
(3kW), 12 in (30cm) for appliances >
10,000 Btuh (3kW) and < 100,000 Btuh
(30kW), 36 in (91cm) for appliances >
100,000 Btuh (30 kW)
12 inches (305 mm) recommended to
prevent window condensation
18" (458 mm)
12" (305 mm)
see next page
see next page
3 feet (91cm) within a height of 15
feet above the meter/regulator
assembly
3 feet (91cm)
6 in (15cm) for appliances <10,000
Btuh (3kW), 12 in (30cm) for appli-
ances > 10,000 Btuh (3kW) and <
100,000 Btuh (30kW), 36 in (91cm) for
appliances > 100,000 Btuh (30 kW)
6 feet (1.83m)
7 feet (2.13m)†
12 inches (30cm) ‡
INSIDE
G
V
H
B
V
Fixed
Closed
B
V
X
J
A
AREA WHERE TERMINAL IS NOT PERMITTED
1
N
N
G
V
M
G
I K X
V
V
A
2
US Installations
12 inches (30 cm)
6 in (15cm) for appliances < 10,000
Btuh (3kW), 9 in (23cm) for appliances
> 10,000 Btuh (3kW) and < 50,000
Btuh (15kW), 12 in (30cm) for appli-
ances > 50,000 Btuh (15kW)
12 inches (305 mm) recommended
to prevent window condensation
18" (458 mm)
12" (305 mm)
see next page
see next page
3 feet (91cm) within a height of 15
feet above the meter/regulator
assembly
3 feet (91cm)
6 in (15cm) for appliances < 10,000
Btuh (3kW), 9 in (23cm) for appliances
> 10,000 Btuh (3kW) and < 50,000 Btuh
(15kW), 12 in (30cm) for appliances >
50,000 Btuh (15 kW)
* 3 feet (91 cm) above if within
10 feet (3 m) horizontally
7 feet (2.13m)†
12 inches (30cm) ‡
Irving Oil
7