General Venting - Termination Location - Vermont Castings DVR28IN Installation Instructions And Homeowner's Manual

D
E
L
B
CFM145a
VENT TERMINATION
V
A = Clearance above grade, veranda, porch,
deck, or balcony
B = Clearance to window or door that may be
opened
C = Clearance to permanently closed window
D = Vertical clearance to ventilated soffit located
above the terminal within a horizontal
distance of 2' (610mm) from the center
line of the terminal
E = Clearance to unventilated soffit
F = Clearance to outside corner
G = Clearance to inside corner (see next page)
H = Clearance to each inside of center line
extended above meter/regulator assembly
I = Clearance to service regulator vent outlet
J = Clearance to nonmechanical air supply inlet
to building or the combustion air inlet to any
other appliances
K = Clearance to a mechanical air supply inlet
L = Clearance above paved sidewalk or 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 the current CSA-B149 Installation 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 or balcony 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 Direct Vent Fireplaces are certified as part of the appliance, with clearances tested and
approved by the listing agency.
3. CFM Corporation assumes no responsibility for the improper performance of the appliance when the venting system does not
meet these requirements.
Fig. 11 Vent termination locations.
20012301
General Venting Information - Termination Location
CORNER DETAIL
V
A
C
B
V
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V
Operable
F
V
B
B
X AIR SUPPLY INLET
CFM145a
12" (30 cm)
DV Termin Location
5/01/01 Rev. 12/05/01
sta
6" (15 cm) for appliances
< 10,000 Btuh (3kW), 12" (30 cm)
for appliances > 10,000 Btuh (3kW) and
< 100,000 Btuh (30kW), 36" (91 cm)
for appliances > 100,000 Btuh (30kW)
12" (305 mm) recommended to
prevent window condensation
18" (458 mm)
12" (305 mm)
see next page
see next page
3' (91 cm) within a height of 15' (5 m)
above the meter/regulator assembly
3' (91 cm)
6" (15 cm) for appliances < 10,000 Btuh
(3kW), 12" (30 cm) for appliances
> 10,000 Btuh (3kW) and < 100,000 Btuh
(30kW), 36" (91cm) for appliances
> 100,000 Btuh (30kW)
6' (1.83 m)
7' (2.13 m)†
12" (30 cm)‡
Vermont Castings DVR28 Direct Vent Gas Fireplace
INSIDE
G
H
B
V
Fixed
Closed
B
V X
J
A
AREA WHERE TERMINAL IS NOT PERMITTED
Canadian Installations
N
N
M
I X
V K
1 US Installations
12" (30 cm)
6" (15 cm) for appliances
< 10,000 Btuh (3kW), 9"
(23 cm) for appliances > 10,000
Btuh (3kW) and < 50,000 Btuh
(15kW), 12" (30 cm) for
appliances > 50,000 Btuh (15kW)
12" (305 mm) recommended to
prevent window condensation
18" (458 mm)
12" (305 mm)
see next page
see next page
3' (91 cm) within a height of 15'
(5 m) above the meter/regulator
assy
3' (91 cm)
6" (15 cm) for appliances
< 10,000 Btuh (3kW), 9"
(23 cm) for appliances > 10,000
Btuh (3kW) and < 50,000 Btuh
(15kW), 12" (30 cm) for
appliances > 50,000 Btuh (15kW)
3' (91 cm) above if within 10
feet (3 m) horizontally
7' (2.13 m)†
12" (30 cm)‡
2
9