Ventilated Combustion Air And Non-Direct Vent Termination Clearance - Carrier 59TN6A Installation, Start-Up, Operating And Service And Maintenance Instructions

JJJJ ...... // i
/
/
/
I_ VENT TERMINAL
(_' AIR SUPPLY INLET
E_ AREAWHERE TERMINAL IS NOT PERMITED
Item Clearance Description Canadian Installation (1) U.S. Installation (2)
A cony or anticipated Clearance above grade, veranda, porch, deck, bal-snow level 12 in. (305 mm). 18 in. (457 mm) above roof surface. 12 in. (305 mm)
6 in. (t52 mm) for appliances </- t0,000 Btuh (3kW)
Clearance to a window or door that may be opened and 12 in. (305t 00,000mm) forBtuhapptiances(30kW),></_ 36t0'000(914BtUhin, mm) for (3kw)' (.3 M) above the opening. 4 ft. (t .2 M) below or to the side of the opening. 1 ft.
appliances > 100,000 Btuh (30 kW)
B
C
D
E
F
G
H
Clearance to a permanently closed window
Vertical clearance to a ventilated soffit located above
the terminal within a horizontal distance of 2 feet (61
cm) from the centerline of the terminal
Clearance to an unventilated soffit
Clearance to an outside corner
Clearance to an inside corner
Clearance to each side of the centedine extended
above electrical meter or gas service regulator as-
sembly
For clearances not specified in ANSI Z223.t/NFPA 54
or CSA B149.t, clearances shall be in accordance
with local installation codes and the requirements of
the gas supplier and the manufacturer's installation
instructions.
For clearances not specified in ANSI Z223.t/NFPA 54
or CSA B149.t, clearances shall be in accordance
with local installation codes and the requirements of
the gas supplier and the manufacturer's installation
instructions.
3 ft. (.9 M) within 15 ft. (4.6 M) above the meter/ 3 ft. (.9 M) within 15 ft. (4.6 M) above the meter/regu-
regulator assembly lator assemMy.
* 3 ft. (.9 M) * For clearances not specified in ANSI
Z223.1/NFPA 54 or CSA B149.t, clearances shall be in
I Clearance to service regulator vent outlet 3 ft. (.9 M) accordance with local installation codes and the
requirements of the gas supplier and the manufacturer's
installation instructions.
12 in. (305 mm) for appliances >6in" (t52 mm) f°r appliances </-t0,000 Btuht0'000 B tuh(3k\_)(3kW), 4 ft. (t.2 M) below or to the side of the opening, lff.
Clearance to non- mechanical air suppty inlet to
J building or the combustion air inlet to any other appli- and </- t00,000 Btuh (30kW), 36 in. (914 mm) for (.3 M) above the opening.
ance appliances > 100,000 Btuh (30 kW)
K Clearance to a mechanical air supply inlet 6 ft. (1.8 M) 3 ft. (.9 M)
For clearances not specified in ANSI Z223.t/NFPA 54
12 in. (305 mm). Permitted only if veranda, porch, orCSA B149.t, clearances shall be in accordance
L Clearance under a veranda, porch, deck, or balcony deck, or balcony is fully open on a minimum of two with local installation codes and the requirements of
sides beneath the floor, the gas supplier and the manufacturer's installation
instructions.
Clearance to each side of the centerline extended
M or water heater vent, or other appliance's direct vent ab°ve or below vent terminal of the furnace to a dryer 12 in. (305 mm) 12 in.
(305
am)
intake or exhaust
Clearance to the vent terminal of a dryer vent, water
N heater vent, or other appliances direct vent intake or 3 ft. (.9 M) 3 ft. (.9 M)
exhaust
O Clearance from a plumbing vent stack 3 ft. (.9 M) 3 ft. (.9 M)
7 ft. (2.1 M). A vent shall not terminate above a side-
p Clearance above paved sidewalk or paved driveway walk or paved driveway that is located between two 7 ft. (2.1 M).
located on public property single family dwellings and serves both dwellings.
(1) In accordance witb tbe currem CSA B14_JA. Nalural (}as and Propane Insl_lllalion (_)tt_'.
(2) In accordance wilb Ibe currem ANSI Z223.] .NFPA 51. National Fuel (}as (:ode
Noles:
]. The xenl for Ibis appliance sbal] nol lerminale:
a. Over public walkways: or
b. Ne_tr so|l'il venls o| crzlwl spzlcc \ {'Ills or olber areas where ct)ndensale or vzq?tlr could create a nuisance or hazard or properly damage: or
c. Where condensale vapor could cause damage or could bc dcli-ilTlenlztl Io Ibc opcralion ill regul_llors, relivf \ zincs, iIr olhcr equipmenL
2. When localing vent lerminations, consideralion must be given Io prevailing winds, h)caliom and olber conditions which ma} cause recb'ctHation of Ibe combustion producls of adjacent venls.
Recirculalion can czttlse poor combustion, inlel cond{,nsztle problems, and act'der_ti_'d corrosion of Ibe heal excbangers.
3. Axoid x enting und{'r a deck or hirge ox erbang. Recb'cuhttion could occur and c_itlSt' pc'r|i)rmance or s_slem probh'ms.
A11047
Fig. 46 - Ventilated Combustion Air and Non-Direct Vent Termination Clearance
57