Empire Comfort Systems DVL36BP30 Series Installation Instructions Manual page 22

VENT TERMINATION CLEARANCES (CONT'D)
Canadian Installations1
A= Clearance above grade,
veranda, porch, deck, or 12 in (30 cm)
balcony
B= Clearance to window or 6 in (15 cm) for
door that may be open appliances ≤ 10,000 Btuh
(3 kW), 12 in (30 cm) for
appliances > 10,000 Btuh
(3 kW) and ≤ 100,000
Btuh (30 kW), 36 in (91
cm) for appliances >
100,000 Btuh (30 kW)
C= Clearance to
permanently 12 in (30 cm)
closed window
D= Vertical clearance
ventilated soffit located
above the terminal within
24 in (61 cm)
a horizontal distance of 2
feet (61 cm) from the
center line of the terminal
E= Clearance to
unventilated soffit 12 in (30 cm)
F= Clearance to outside
6 in (15 cm)
corner
G= Clearance inside corner 9 in (23 cm)
H= Clearance to each side 3 ft (91 cm) within a
of center line extended height 15 ft (4.5 m)
above meter/regulator above the meter/regula-
assembly tor assembly
ATTENTION: Vinyl Soffit, Vinyl Ceiling, Vinyl Overhang Disclaimer
Clearances are to heat resistant material (i.e. wood, metal). This
does not include vinyl. Empire Comfort Systems Inc. will not be
held responsible for heat damage caused from terminating under
vinyl overhangs, vinyl ceilings or vinyl ventilated/unventilated soffits.
Page 22
US Installations2
I= Clearance to service
12 in (30cm) regulator vent outlet
6 in (15 cm) for J= Clearance to nonme-
appliances ≤ 10,000 Btuh chanical air supply
(3 kW), 9 in (23 cm) for inlet to building or the
appliances > 10,000 Btuh combustion air inlet to
(3 kW) and ≤ 50,000 any other appliance
Btuh (15 kW), 12 in
(30 cm) for appliances >
50,000 Btuh (15 kW)
K= Clearance to a mechani-
12 in (30 cm) cal air supply inlet
L= Clearance above paved
sidewalk or paved drive-
way located on public
24 in (61 cm)
property
M= Clearance under
12 in (30 cm)
1
6 in (15 cm)
9 in (23 cm) 2
†
3 ft (91 cm)
‡
*
Clearance in accordance with local installation codes and the requirements of the
gas supplier.
Canadian Installations1
3 ft (91 cm)
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 (30 kW), 36 in (91
cm) for appliances >
100,000 Btuh (30 kW)
6 ft (1.83 m)
7 ft (2.13 m) †
veranda, porch deck, 12 in (30 cm) ‡
or balcony
In accordance with the current CSA B149.1, Natural Gas and Propane
Installation Code
In Accordance with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code
A vent shall not terminate directly above a sidewalk or paved driveway that
is located between two single family dwellings and serves both dwellings
Permitted only if veranda,, porch, deck, or balcony is fully open on a
minimum of two sides beneath the floor.
For clearances not specified in ANSI Z223.1/NFPA 54 or CSA B149.1, one
of the following shall be indicated:
US Installations2
6 ft
6 in (15 cm) for
appliances ≤ 10,000
Btuh (3 kW), 9 in (23 cm)
for appliances > 10,000
Btuh (3 kW) and ≤
50,000 Btuh (15 kW), 12
in (30 cm) for appliances
> 50,000 Btuh (15 kW)
3 ft (91 cm) above
if within 10 ft (3 m)
horizontally
7 ft (2.13 m) †
12 in (30 cm) ‡
41978-1-1220