ICP 8MPT Installation Insrtuctions page 14

Other than Direct Vent Termination Clearance
.......-r ...............
.............. /
............. / i
//
/'
//
,/
i
A
%X/' A R SUPPLY NLET
D VENTTERMINAL \ /_
25-24-65-2
AREA WHERE TERMINAL IS NOT PERMITED
Item Clearance Descriptions
A Clearance above grade, veranda, porch, deck, balcony, or
anticipated snow level
B Clearance to a window or door that may be opened
C Clearance to a permanently closed window
D Vortical clearance to a ventilated soffit located above the
terminal within a horizontal distance of 2"(61cm) tram the
centerline of the terminal
E Clearance to an unventilated soffit
F Clearance to an outside corner
G Clearance to an inside corner
H Clearance to each side of the centerline extended above
electrical meter or gas service 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
L
M
Clearance to a mechanical air supply inlet
Clearance under a veranda, porch, deck, or balcony
Canadian Installation (1)
12 inches (30cm) #
6 inches (15 cm) for appliances -< 10,000 Btuh (3 kW)
12 inches ( 30 cm) for appliances > 10,ooo Btuh (3 kWO)
and -< 100,go0 Btuh (30 kW), 36 inches (91 cm) for
appliances > t00,000 Btuh (30 kW)
3 feet (91 cm) within 15 feet(4.5 m) above the meter/regulator
assembly
3 feet (91 ore)
6 inches (15 cm) for appliances -< 10,000 Btuh (3 kW)
12 inches ( 30 cm) for appliances > 10,000 Btuh (3 kW0)
and -< 10Or000 Btuh (30 kW)
36 inches (91 cm) for appliances > 100,000 Btuh (30 kW)
5 feet(1.83 m)
12 inches(30 cm) +
Clearance to each side of the centerline extended above or
below vent terminal of the furnace to a dryer or water heater
vent, or other appliance's direct vent intake or exhaust.
N Clearance to the vent terminal of a dryer vent, water heater
vent, or other appliances direct vent intake or exhaust.
O Clearance from a plumbing vent stack
p Clearance above paved sidewalk or paved 7 feet (2.13m)**
driveway located on public property
(1.) In accordance with the current CSA B149.1, Natural Gas and Predane Installation Code
(2.) In accordanoe with the current NFPA 54/ANSI Z223.1 , National Fuel Gas Code
# 18" (46 am) above roof surface
U.S. Installation (2)
12 inches (30 cm)
4 feet(1.2 m) below or to the side of the opening. 1 foot (30 cm
above the opening.
3 feet (91 cm) w_thin 15 feet (4.5 m) above the meter/regulator
assembly
4 feet (t .2 m) below or to the side of opening: 1 foot (30 sin)
above opening.
3 feet (91 cm) above if wi_in 10 feet (3 m horizontally)
7 feet (2.13m)
+ 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 NFPA 54/ANSI Z22S.1 or CSA B 149. t, clearances shall be in accordance with local installation codes and the requiremenls of the gas supplier and the
Manufacturer's installation instructions.
** A vent shall not terminate above 8. sidewalk or paved driveway that is located between two single family dwellings and serves beth dwellings.
Notes:
t. The vent for this appliance shall not terminate
a. Over publicwalkways; or
b. Near soffit vents or crawl space vents or other areas where condensate er vapor could create a nusiance or hazard or property damage: or
c. Where condensate vapor could cause damage or could be detrimental to the operation of regulators, relief valves, or other equipment.
2. When locating vent terminations, consideration must be given to prevailing winds, location, and other conditions which may cause recirculation of the combustiob products of adjacent vents.
Recirculation can cause poor combustion, inlet condensate problems, and accelerated corrosion of the heat exchangers.
3 Avoid venting under a deck or large overhang. Recirculatien could occur and cause performance or system problems. A05013
44101 202301
Specifications are subject to change without notice
14