Termination Locations - Amana CEC96 Series Manual

Two-stage gas furnaces
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Piping must be adequately secured and supported to prohibit
sagging, joint separation, and/or detachment from the furnace.
Horizontal runs of vent/flue piping must be supported every three
to five feet and must maintain a 1/4 inch per foot downward
slope, back towards the furnace, to properly return condensate
to the furnace's drain system. Allowances should be made for
minor expansion and contraction due to temperature variations.
For this reason, particular care must be taken to secure piping
when a long run is followed by a short offset of less than 40
inches.
Precautions should be taken to prevent condensate from freez-
ing inside the vent/flue pipe and/or at the vent/flue pipe termi-
nation. All vent/flue piping exposed to freezing temperatures
below 35°F for extended periods of time must be insulated with
1/2" thick closed cell foam. Also all vent/flue piping exposed
outdoors in excess of the terminations shown in this manual (or
in unheated areas) must be insulated with 1/2" thick closed cell
foam. Inspect piping for leaks prior to installing insulation.
T
L
ERMINATION
OCATIONS
Non-Direct Vent
&
Direct Vent
Vent/Flue Terminations
Non-Direct Vent
Vent/Flue Termination
<10'
12"
3' min.
Grade or Highest
Anticipated
Snow Level
12" min.
Forced Air
Inlet
Direct Vent
Vent/Flue Termination
Vent Termination Clearances
NOTE: Refer to Location Requirements and Considerations for
combustion air contaminant restrictions.
The following bullets and diagram describe the restrictions con-
cerning the appropriate location of vent/flue pipe and combus-
tion air intake pipe (when applicable) terminations. Refer to
Non-Direct Vent (Single Pipe) Piping and Direct Vent (Dual Pipe)
Piping located in this section for specific details on termination
construction.
NO TRANSITION ON
HORIZONTAL PLANE,
THIS CREATES A
WATER TRAP AND
RESTRICTS FLUE
GASES
Figure 6
No Terminations
Above Walkway
4' min.
4'
min.
12"
min.
12" min.
Non-Direct Vent
Vent/Flue Termination
Figure 7
All terminations (flue and/or intake) must be located
at least 12 inches above ground level or the anticipated
snow level.
Vent terminations (non-direct and direct vent) must
terminate at least 3 feet above any forced air inlet
located within 10 feet.
NOTE: This provision does not apply to the combustion
air intake termination of a direct vent application.
The vent termination of a non-direct vent application
must terminate at least 4 feet below, 4 feet horizontally
from, or 1 foot above any door, window, or gravity air
inlet into any building.
The vent termination of a direct vent application must
terminate at least 12 inches from any opening through
which flue gases may enter a building (door, window, or
gravity air inlet).
The vent termination of vent pipe run vertically through
a roof must terminate at least 12 inches above the roof
line (or the anticipated snow level) and be at least 12
inches from any vertical wall (including any anticipated
snow build up).
A vent termination shall not terminate over public
walkways or over an area where condensate or vapor
could create a nuisance or hazard or could be detrimental
to the operation of regulators, relief valves, or other
equipment.
The combustion air intake termination of a direct vent
application should not terminate in an area which is
frequently dusty or dirty.
NOTE: In Canada, the current edition of CAN/CSA B149.1-15
takes precedence over the preceding termination description.
C
V
P
& C
ANADIAN
ENT
IPE
MENTS
All installations in Canada must conform to the requirements
of CAN/CSA B149.1-15 code. All vent components,including
primer and cement, must be listed to ULC S636. The certi-
fied pipe and fittings should be clearly marked with the
ULC standard "S636". The primer and cement used must be
of the same manufacturer as the vent system. For Royal
Pipe System 636; use GVS-65 Primer (Purple) and GVS-65
PVC Solvent Cement. For IPEX System 636, use PVC/CPVC
Primer, Purple or clear. Use PVC Solvent Cement (Gray). For
Canadian installations, ABS may be used as a combustion
air pipe only. ABS is not an approved vent material in Canada.
If ABS is used as a combustion air pipe, it must be CSA
certified. Always follow the manufacturer's instructions in
the use of primer and cement. Do not use primer and ce-
ment around potential sources of ignition. Do not use primer
or cement beyond its expiration date. The safe operation,
as defined by ULC S636, of the vent system is based on
following these installation instructions, the vent system
manufacturer's installation instructions, and proper use of
primer and cement. It is recommended under this standard,
that the vent system be checked once a year by qualified
12
A
P
R
OMBUSTION
IR
IPE
EQUIRE
-

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