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Concentric
Vent Termination
Concentric vent termination
kits are approved for
use with these furnaces. The kit part numbers
are 904176 (3 inch) and 904177 (2 inch).
For
proper installation of the concentric vent termina-
tion, follow the installation instructions
provided
with that kit.
Side Wall Vent Kit
This side wall vent kit is approved for use with
these furnaces. The kit part number is 904347,
and instructions
for proper installation
are pro-
vided with that kit.
DRAINAGE
OF CONDENSATE
FROM FURNACE
The condensate
produced
by the fur=
nace must be drained.
Do not connect
a water supply to the drainage
hose of
the furnace.
NOTE: The condensate drain should be protected
from freezing when in unheated spaces.
The condensate
drainage system is internal to
the furnace. It is not recommended
to connect
additional traps to the exterior of the furnace. Do-
ing so will have adverse effects on the operation
of the furnace.The
drain may exit either the right
or left side of the furnace cabinet.
The condensate drain can be routed to a flow drain
or to a condensate
pump. Ensure that the drain
maintains a downward slope from the unit to the
drain. Refer to Figure 24 for more details.
For a right side drain simply extend the tubing out
of the 7/8" hole in the cabinet, see Figure 21. For
a left side drain follow the steps below:
1.
Loosen the clamp on the soft exit tube (see
Figure 24.)
2.
Rotate the soft exit tube (counter clockwise,
180 ° upflow *RC models; clockwise
90 °
downflow *RL models.)
3.
Re-tighten the clamp. MAKE SURE CLAMP
IS TIGHT TO AVOID LEAKAGE OF CON-
DENSATE.
,
Route the tubing out of the 7/8" hole located
8 inches up from the bottom furnace.
The condensate
should drain from the plastic
collector box (location A in Figure 24) as droplets
or a small stream. If you notice the furnace has
operated for more than 5 minutes without drain-
ing or the red status light on the control board is
pulsing a 2-blink code follow the steps below.
,
Remove the collector box soft tube at loca-
tion A in Figure 24 and insure the exit from
the collector
box is clear of any debris or
obstructions.
2.
Replace this tube and insure the fit to the
header spout is air tight. Air will be drawn into
the header if this connection
is not tight.
3.
Check other tube connections
along the
drain system.
Insure that all are air tight.
Upfiow
Models
Roll-Out Limit,
Shut-Off Valve
with 1/8" NPT_
Plugged Tap/
Some Utilities
Require Shut-
Off Valve to "_
/
be 4 to 5 feet
Above Floor
Dripleg
_,
/
Automatic
Gas Valve /
(with manual shut-off)
Burner Viewport
Denotes field-
provided and
installed
components.
Downfiow
Models
Denotes field-
Shut-Off
Valve
provided and
Automatic
[_
with 1/8" N PT
installed
Gas Valve
_
Plugged Tap
components.
(with manual
shut-off)
Some Utilities
Require Shut-
Off Valve to
be 4 to 5 feet
Above Floor
\Dripleg
Burner Viewport
Figure 25. Typical Gas Service
Connection
27
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