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Propane Gas/High Altitude Installations; Vent/Flue Pipe And Combustion Air Pipe; General; Dual Certification: Nondirect/Direct Vent - Whirlpool WGFM195 Installation Instructions Manual

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PROPANE GAS/HIGH ALTITUDE INSTALLATIONS

WARNING
Possible property damage, personal injury or death may
occur if the correct conversion kits are not installed. The
appropriate kits must be applied to ensure safe and proper
furnace operation. All conversions must be performed by
a qualified installer or service agency.
This furnace is shipped from the factory configured for Natural
gas at standard altitude. Propane gas installations require an
orifice change to compensate for the energy content difference
between Natural and propane gas.
High altitude installations may require both a pressure switch and
an orifice/spring change. These changes are necessary to
compensate for the natural reduction in the density of both the
gas fuel and the combustion air at higher altitude.
For installations above 7,000 ft (2,133.6 m), refer to your
distributor for required kit(s).

VENT/FLUE PIPE AND COMBUSTION AIR PIPE

General

WARNING
Failure to follow these instructions can result in bodily
injury or death. Carefully read and follow all instructions
given in this section.
WARNING
Upon completion of the furnace installation, carefully
inspect the entire flue system both inside and outside of
the furnace to assure it is properly sealed. Leaks in the
flue system can result in serious personal injury or death
due to exposure to flue products, including carbon
monoxide.
A condensing gas furnace achieves its high level of efficiency by
extracting almost all of the heat from the products of combustion
and cooling them to the point where condensation takes place.
Because of the relatively low flue gas temperature and water
condensation requirements, PVC pipe is used as venting
material.
NOTES:
This furnace must not be connected to Type B, BW or L vent
or vent connector, and must not be vented into any portion of
a factory-built or masonry chimney except when used as a
pathway for PVC as described later in this section.
Do not common vent this appliance with another appliance or
use a vent which is used by a solid fuel appliance.
Do not use commercially available "no hub connectors" other
than those shipped with this product.
It is the responsibility of the installer to follow the manufacturers'
recommendations and to verify that all vent/flue piping and
connectors are compatible with furnace flue products.
Gas
Altitude
Kit
Natural
0 to
None
7,000 ft
Propane
LPM-05
(2,133.6 m)
LPM-06
NOTES:
In Canada, gas furnaces are only certified to 4,500 ft
(1,371.6 m).
LPM-05 supports White-Rodgers 2-stage valve only.
LPM-06 supports both Honeywell and White-Rodgers
2-stage valves.
Contact the distributor for a tabular listing of appropriate
manufacturer's kits for propane gas and/or high altitude
installations. The indicated kits must be used to insure proper
furnace operation. All conversions must be performed by a
qualified installer or service agency.
Additionally, it is the responsibility of the installer to ensure that all
piping and connections possess adequate structural integrity and
support to avoid flue pipe separation, shifting or sagging during
furnace operation.

Dual Certification: Nondirect/Direct Vent

This furnace is dual certified and may be installed as a nondirect
vent (single pipe) or direct vent (dual pipe) appliance. A nondirect
vent installation requires only a vent/flue pipe, while a direct vent
installation requires both a vent/flue pipe and a combustion air
intake pipe. Refer to the appropriate section for details
concerning piping size, length, number of elbows, furnace
connections and terminations.

Materials and Joining Methods

WARNING
To avoid bodily injury, fire or explosion, solvent cements
must be kept away from all ignition sources (for example,
sparks, open flames and excessive heat) as they are
combustible liquids. Avoid breathing cement vapors or
contact with skin and/or eyes.
2" or 3" (5.1 cm or 7.6 cm) nominal diameter PVC Schedule
40 pipe meeting ASTM D1785, PVC primer meeting ASTM F656
and PVC solvent cement meeting ASTM D2564 specifications
must be used. Fittings must be DWV type fittings meeting ASTM
D2665 and ASTM D3311. Carefully follow the pipe
manufacturer's instructions for cutting, cleaning and solvent
cementing of PVC.
The use of Schedule 40 PVC Cellular Core (Foam Core) plastic
pipe is also acceptable as a flue/vent and intake pipe material.
PVC primer meeting ASTM F656 and PVC solvent cement
meeting ASTM D2564 specifications must be used. Fittings must
be DWV type fittings meeting ASTM D2665 and ASTM D3311.
Pressure
Manifold
Switch
Orifice
Pressure
Change
#43
3.5" W.C. None
#55
10.0" W.C. None
13

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