Payne PG9YAA036060 Installation Instructions Manual page 33

Additional Propane Connection
Requirements
1. Have a licensed Propane gas dealer make all connections
at storage tank and check all connections from tank to fur-
nace.
2. If copper tubing is used, it MUST comply with limitation
set in National Fuel Gas Code or CGA codes.
3. Two- -stage regulation of Propane gas is recommended.
Propane Conversion
WARNING
!
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personal injury or
death.
A Propane conversion accessory kit is required when
operating the furnace with Propane gas.
An accessory kit shall be used to convert to propane gas use, see
the furnace rating plate for the Propane conversion accessory kit
part number.
Drip Leg and Union, Union* should be outside the
cabinet. Manual shut- off valve MUST be upstream of
dripleg, union, and furnace.
Use elbows and 3" pipe nipple to connect valve to
piping when using right side gas pipe entry.
O N
O F F
Propane Low pres-
sure switch
REQUIRED.
* Union may be installed inside the cabinet when necessary
because of clearances.
Representative drawing only, some models may vary in appearance.
Manual shut- off
valve
O N
3" pipe
O F F
nipple
Fig. 34 - - Typical Gas Piping for Upflow
33
Supply Pressure
WARNING
!
FIRE HAZARD
Failure to follow this warning could result in personal injury or
death.
Do NOT set input rating above that shown on rating plate.
1
1. A / " NPT plugged tapping, accessible for a test gauge
8
connection, must be installed immediately upstream of the
gas supply connection to the furnace.
2. Gas input to burners MUST NOT exceed the rated input
shown on rating plate.
3. Do NOT allow minimum gas supply pressure to vary
downward. Doing so will decrease input to furnace. Refer
to Table 6 and Table 7 for normal gas supply and manifold
pressures.
Manifold Gas Pressure Adjustment
SEE CHECKS AND ADJUSTMENTS, Manifold Gas
Pressure Adjustment in this manual.
Vent Pipe Grommet (Single Pipe)
O N
O F F
Alternative
installation
Models may
have 1 or 2
pressure
switches
A07724