Carrier 59SC2A - Page 58

59SC2A
Roof Termination (Preferred)
Note:
36~in. separation between
pairs of inlets only required
Note: for direct-vent systems
“A" denotes 0 To 2 in. (61mm)
Between the first 2 vents Third
vent {and fourth vent, if used)
must be 36 in. Away @14mm)
Vertical separation between
combustion air and vent
8 % in. (222mm) for 3 in.(76mm)
6 % in. (172mm) for 2in. 1mm)...
(487
Maintain 12 in. (305mm) min. Clearance
above highest anticipated snow level
maximum of 24 in. (614mm) above roof
least 36 in. 4
(914mm) o
Maintain 12 in. (05mm) \
min. Clearance above
highest anticipated snow
level maximum of 24 in.
(614mm) above roof
}
Concentric Vent and Combustion Air
a
\
Hl Roof Termination (preferred) 1 in, (25mm) maximum
ol
K
\
\
‘
(Typ.)
from
wail
to
inlet
Abandoned masonry used
as
raceway
(per code)
12 in. From Overhang
orroof (Typ.)
Concentric Vent and Combustion Air
Side Termination —
Maintain 12 in. (805mm) min. Clear
ance above highest anticipated snow
level or grade whichever is greater
(yp)
Side wail termination of
less than 12 in. (805mm)
above highest snow level
12 in. Min from
overhang or
_ Note:
Atleast 36 in. “A” denotes 0 To 2 in. (Simm)
’ (g14mm) Between the first 2 venis Third
“42 in. (805mm) separation vent (and fourth vent, fused) must
between bottom of com- be 36 in. Away (914mm)
bustion air and bottom of
At least 36 in. vent (Typ.}
(914mm)
Maintain
12
in.
(805mm)
min.
Clearance above highest an—
ticipated snow level or grade
whichever is greater (Typ.)
L12F044
Fig. 47 - Combustion Air and Vent Pipe Termination for Direct Vent (2-Pipe) System
Roof Termination (Preferred)
er vent
Maintain 12 in (305mm)
minimum clearance
above highest anticipated
snow fevel maximum of
24 in. (610mm) above roof
Abandoned masonry
used as raceway
(per code)
12 in. min, (805 mm}irom
overhang or roof
6 in. (152mm) minimum clearance
between wall and end of vent pipe.
10 in. (254mm) maximum pipe lengh
SS Maintain 12 in. 05mm)
rainimum clearance a
+ . above highest anticipate
12 in. (805 mm) min. from snow level or grade
overhang or roof whichever is greater
Sidewall Termination
with Straight Pipe (preferred)
Maintain 12 in. (05mm)
minimum clearance
above highest anticipated
snow level or grade
whichever is greater.
Side wall termination
with 2 elbows (preferred)
A05091
Fig. 48 - Vent Pipe Termination for Non-Direct Vent and Ventilated Combustion Air System