General Venting Information - Termination Location - Majestic fireplaces DVHVAC36 Homeowner's Installation And Operating Manual

DVHVAC36
D
E
L
B
CFM145a
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 feet (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" (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 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 app-
roved 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. 9 Termination clearances.
10

General Venting Information - Termination Location

A
C
B
V
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V
F
V
B
B
VENT TERMINATION AIR SUPPLY INLET
X
12" (30cm)
6" (15cm) for appliances
< 10,000Btuh (3kW), 12" (30cm)
for appliances > 10,000 Btuh (3kW) and
< 100,000 Btuh (30kW), 36" (91cm)
for appliances > 100,000 Btuh (30kW)
12" (305mm) recommended to
prevent window condensation
18" (458mm)
12" (305mm)
see next page
see next page
3' (91cm) within a height of 15'
above the meter/regulator assembly
3' (91cm)
6" (15cm) for appliances < 10,000
Btuh (3kW), 12" (30cm) for
appliances > 10,000 Btuh (3kW) and <
100,000 Btuh (30kW), 36" (91cm)
for appliances > 100,000 Btuh (30kW)
6' (1.83m)
7' (2.13m)†
12" (30cm)‡
INSIDE
CORNER DETAIL
G
V
H
B V
Fixed
Operable
Closed
B
V X
J
A
AREA WHERE TERMINAL IS NOT PERMITTED
Canadian Installations
CFM145a
DV Termin Location
5/01/01 Rev. 12/05/01
sta
N
N
M
X
I V K
US Installations
1
12" (30cm)
6" (15cm) for appliances
< 10,000 Btuh (3kW), 9"
(23cm) for appliances > 10,000
Btuh (3kW) and < 50,000 Btuh
(15kW), 12" (30cm) for
appliances > 50,000 Btuh (15kW)
12" (305mm) recommended to
prevent window condensation
18" (458mm)
12" (305mm)
see next page
see next page
3' (91cm) within a height of 15'
above the meter/regulator assy
3' (91cm)
6" (15cm) for appliances
< 10,000 Btuh (3kW), 9"
(23cm) for appliances > 10,000
Btuh (3kW) and < 50,000 Btuh
(15kW), 12" (30cm) for
appliances > 50,000 Btuh (15kW)
3' (91cm) above if within 10'
(3m) horizontally
7' (2.13m)†
12" (30cm)‡
2
10001195