Carrier 59SP5A Installation, Start-Up, Operating And Service And Maintenance Instructions page 52

Item Clearance Description
Clearance above grade, veranda, porch, deck, bal-
A
cony or anticipated snow level
B Clearance to a window or door that may be opened
C Clearance to a permanently closed window
Vertical clearance to a ventilated soffit located above
the terminal within a horizontal distance of 2 feet (61
D
cm) from the centerline of the terminal
E Clearance to an unventilated soffit
F Clearance to an outside corner
G Clearance to an inside corner
Clearance to each side of the centerline extended
H above electrical meter or gas service regulator as-
sembly
I Clearance to service regulator vent outlet
Clearance to non--- mechanical air supply inlet to
building or the combustion air inlet to any other appli-
J
ance
K Clearance to a mechanical air supply inlet
L Clearance under a veranda, porch, deck, or balcony
Clearance to each side of the centerline extended
above or below vent terminal of the furnace to a dryer
M
or water heater vent, or other appliance's direct vent
intake or exhaust
Clearance to the vent terminal of a dryer vent, water
heater vent, or other appliances direct vent intake or
N
exhaust
O Clearance from a plumbing vent stack
Clearance above paved sidewalk or paved driveway
P
located on public property
(1) In accordance with the current C A N / CSA B 149.1, Natural Gas and Propane Installation Code.
(2) In accordance with the current ANSI Z223.1.NFPA 54, National Fuel Gas Code
Notes:
1. The vent for this appliance shall not terminate:
a. Over public walkways; or
b. Near soffit vents of crawl space vents or other areas where condensate or vapor could create a nuisance 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 combustion 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. Recirculation could occur and cause performance or system problems.
Fig. 46 - - Ventilated Combustion Air and Non- -Direct Vent Termination Clearance
Canadian Installation (1)
12 in. (305 mm). 18 in. (457 mm) above roof surface.
6 in. (152 mm) for appliances </--- 10,000 Btuh (3kW)
12 in. (305 mm) for appliances > 10,000 Btuh (3kW),
and </--- 100,000 Btuh (30kW), 36 in. (914 mm) for
appliances > 100,000 Btuh (30 kW)
For clearances not specified in ANSI Z223.1/NFPA 54 or
CAN/CSA B149.1, 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/
regulator assembly
3 ft. (.9 M)
6 in. (152 mm) for appliances </--- 10,000 Btuh (3kW)
12 in. (305 mm) for appliances > 10,000 Btuh (3kW),
and </--- 100,000 Btuh (30kW), 36 in. (914 mm) for
appliances > 100,000 Btuh (30 kW)
6 ft. (1.8 M)
12 in. (305 mm). Permitted only if veranda, porch,
deck, or balcony is fully open on a minimum of two
sides beneath the floor.
12 in. (305 mm)
3 ft. (.9 M)
3 ft. (.9 M)
7 ft. (2.1 M). A vent shall not terminate above a side-
walk or paved driveway that is located between two
single family dwellings and serves both dwellings.
52
U.S. Installation (2)
12 in. (305 mm)
4 ft. (1.2 M) below or to the side of the opening. 1 ft.
(.3 M) above the opening.
For clearances not specified in ANSI Z223.1/NFPA 54 or
CAN/CSA B149.1, 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/regu-
lator assembly.
* 3 ft. (.9 M) * For clearances not specified in ANSI
Z223.1/NFPA 54 or C A N / CSA B149.1, clearances shall
be in accordance with local installation codes and the
requirements of the gas supplier and the manufacturer's
installation instructions.
4 ft. (1.2 M) below or to the side of the opening. 1 ft.
(.3 M) above the opening.
3 ft. (.9 M)
For clearances not specified in ANSI Z223.1/NFPA 54 or
C A N / CSA B149.1, clearances shall be in accordance
with local installation codes and the requirements of
the gas supplier and the manufacturer's installation
instructions.
12 in. (305 mm)
3 ft. (.9 M)
3 ft. (.9 M)
7 ft. (2.1 M).
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