Venting Requirements - Nordyne TC060 Installation Instructions Manual

! CAUTION:
Do not supply combustion air from an
attic space that is equipped with power
ventilation or any other device that
may produce a negative pressure.
Upflow Furnaces
Exhaust
Inlet
5/8"
Combustion
Offset with
Exhaust Pipe
for Adequate
Dimensional
Clearance
PVC or
ABS Pipe
Straight Neoprene Coupling
with 2 Hose Clamps*
(Optional - Not Shown)
Downflow Furnaces
Seal/Caulk
around Pipe
at Building
90˚ Elbow
12" Min.
Normal Snow Level
* These neoprene couplings are field-supplied and can be used if the installation requires breakable connections
in the piping. Note that a maximum of two couplings per pipe are allowed.
16

VENTING REQUIREMENTS

This section specifies installation requirements
for vent and "2-pipe" combustion air piping. For
"one pipe" installations, install vent piping per
this section and provide air for combustion and
ventilation per the previous section. The capac-
ity table provided in this section applies to the
total of vent and combustion air piping for either
type of installation.
See Vent Table 4
Straps or Other Suitable
Supports at Minimum of 5 ft. Intervals
Upward Pitch - 1/4" per Foot
Outlet Exhaust Vent
First Support Placed
as Close to Furnace
Connection as Possible
Exhaust Vent
See Vent Table 4
Straps or Other Suitable
Supports at Minimum of 5 ft. Intervals
Upward Pitch - 1/4" per Foot
Outlet Exhaust Vent
First Support Placed
as Close to Furnace
Wall
Connection as Possible
Exhaust Vent
Figure 16. Horizontal Venting
Seal/Caulk
around Pipe
at Building
90˚ Elbow
12" Min.
7"
Wall
Normal Snow Level
Exhaust
Inlet
5/8"
Combustion Air
Inlet
Offset with Exhaust
Pipe for Adequate
Dimensional
Clearance
PVC or
ABS Pipe
Straight Neoprene
Coupling with
2 Hose Clamps*