ICP T8DNL100F14B1 Installation Instructions Manual page 12

iiiiiiiiiiiiiiiiii;ii_;;_i:_i:_i;!;!:;!_i_ii!_!ii_i:_:i::_;_i_!_!_i!ii!ii!ii!ii!ii!ii!ii!ii!ii!ii!ii!_i!;iiiiiiiii_iiiiiiiiiiiiiiiiiiiiiii_!!!;!_i ¸ii;ilililiiiiiiiiiiiiiiiiiiiiiiii_i_i_ii!!!iiiii
Other than Direct Vent Termination Clearance
r_ VENT TERMINAL
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
D
E
F
G
H
I
J
K
L
M
N
0
Clearance to a permanently closed window
Vertical clearance to a ventilated soffit located above the
terminal within a horizontal distance of 2' (61cm) from the
centedine of the terminal
Clearance to an unventilated soffit
Clearance to an outside corner
Clearance to an inside corner
Clearance to each side of the centefline extended above
electrical meter or gas service regulator assembly
Clearance to service regulator vent outlet
Clearance to non-mechanical air supply inlet to building or
the combustion air inlet to any other appliance
Clearanceto a mechanicalair supplyinlet
Clearanceunder a veranda, porch,deck, or balcony
Clearance to each side of the centefline 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.
Clearance from a plumbing vent stack
Clearanceabove a paved sidewalkor paved drivewaylocated
on publicproperty.
(_ AIR SUPPLYINLET
Canadian Installation(1)
12" (30cm)#
6" (lfi cm) for appliances_<10,000 BTUH (3kW), 12" (30
cm) for appliances> 10,000 Btub (3 kW) and _<100,000Btub
(30 kW), 36" (01 cm) for appliances> 100,000Btuh (30kW)
3' (91 cm) within 15' (4.5 m) above the meter/regulator
assembly
3' (01 cm)
6" (15cm)forappliances_<lO,OOOBTUH (3kW),12" (30
cm) for appliances > 10,000 Btuh (3 kW) and _<100,000 Btuh
(30 kW), 36" (01 cm) for appliances > 100,000 Btuh (30 kW)
6' (1.83 m)
12" (30 cm) +
3' (01cm)
7' (2.13m)
AREA WHERE TERMINAL IS NOT PERMITED
U.S. Installation (2)
12" (30 cm)
4' (1.2 m) below or to the side of the opening. 1' (30 cm)
above lhe opening.
3' (91 cm) within 15' (4.5 m) above the meter/regulator
assembly
4' (1.2 m) below or to the side of opening: 1' (30 cm) above
opening.
3' (91 cm) above if within 10' (3m) horizontally
3' (01cm)
7' (2.13m)
(1.) In accordance with the current CSA B149.1, Natural Gas and Propane Installation Code
(2,) In accordance with the currem ANSI Z223.1/NFPA fi4, National Fuel Gas Code
# 18" (46 cm) above roof surface
+ 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 B140.1, clearances shall be in accordance with local installation codes and the requiremenls of the gas supplier and the manufacture's
installation instructions.
A vent shall nol terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings.
Notes:
1, The vent for this appliance shall not terminate
a. Over public walkways; or
b. Near soffit vents or crawl space vents or other areas where condensate or vapor could create a nusiance or hazard or property damage; or
c. Where condensate vapor could cause damage or could be detrimental to the operafion 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 combusfiob products of adjacent vents.
Recirculafion can cause poor combustion, inlet condensate problems, and accelerated corrosion of the heat exchangers.
441 01 2314 02