34
F10572
D-15
VENT TERMINAL
36" MIN
(914 mm)
INTAKE
ELBOW
12" MIN
(152 mm)
36" MIN
(914 mm)
TEST PORT
VENT DRAIN W/ TRAP
ROUTE TO CONDENSATE
TREATMENT OR
CONDENSATE PUMP
HEATER UNIT
12"
(305 mm)
Figure 32. Direct Vent–Vertical for Stainless Steel and
Polypropylene
NOTE:
While a condensate drain connection for the
vent system is required on all XFiire installations, the
drain can be accomplished in several different ways.
The figures in this section show the drain from the heat
exchanger, however, this can also be accomplished using
an additional inline collector for condensing stacks or an
additional inline vertical or horizontal collector available
from several of the listed vent manufacturers.
Combustion air supplied from outdoors must be free
of particulate and chemical contaminants. To avoid a
blocked flue condition, keep the vent cap clear of snow,
ice, leaves, debris, etc.
The approved flue direct vent cap must be installed in
accordance with its listing. See
Table Q
and
Table R
.
A
A
WARNING:
Mixing of different manufacturers
venting material is not permitted as this may create an
unsafe condition.
Horizontal Through-the-Wall and
Direct Vent - Horizontal - Stainless
Steel and Polypropylene
The XFiire heaters may be vented horizontally (either using
room air for combustion or ducted air for combustion) as
shown in the following figures. The air intake terminal may
be located in a different pressure zone (i.e. on different
walls) from the vent termination. See
Figure 34.
12"
(305 mm)
HEATER UNIT
SLOPE TOWARD
APPLIANCE
1" IN 4'
(25.4 mm IN 1.2 m)
D-15
VENT TERMINAL
TEST PORT
12" MIN
(305 mm)
12" MIN
(305 mm)
VENT DRAIN W/ TRAP
ROUTE TO CONDENSATE
TREATMENT OR
CONDENSATE PUMP
F10570
Figure 33. Horizontal Through-the-Wall Venting for SS and
Polypropylene
F10573
VENT DRAIN W/ TRAP
ROUTE TO CONDENSATE
TREATMENT OR
CONDENSATE PUMP
TEST PORT
CAT IV
VENT PIPE
D-15
VENT TERMINAL
24" MIN
(610 mm)
HEATER UNIT
Figure 34. Direct Vent-Horizontal for SS and
Polypropylene
A
A
CAUTION:
This venting system may require the
installation of supplemental condensate drains in the
vent piping per the vent manufacturer’s instructions.
Failure to install these condensate drains in the venting
system may cause a non-warrantable failure.
Содержание Xfiire 1000B
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