11
When using the horizontal alternate vent configuration, you must use the RF000142 vent drain kit. See following illustration.
ALTERNATE ELECTRICAL AND GAS LINE CONNECTIONS
This furnace has provisions allowing for electrical and gas line
connections through either side panel. In horizontal applications the connections can be made either through the “top” or “bottom”
of the furnace.
DRAIN PAN
A drain pan must be provided if the furnace is installed above a conditioned area. The drain pan must cover the entire area under the
furnace (and air conditioning coil if applicable).
FREEZE PROTECTION
Refer to Horizontal Applications and Conditions - Drain Trap and Lines.
P
ROPANE
G
AS
/H
IGH
A
LTITUDE
I
NSTALLATIONS
This furnace is shipped from the factory configured for natural gas
at standard altitude. Propane gas installations require an orifice
and orifice change to compensate for the energy content differ-
ence between natural and propane gas.
High altitude installations may require both a pressure switch and
an orifice/spring change. These changes are necessary to com-
pensate for the natural reduction in the density of both the gas fuel
and the combustion air at higher altitude.
For installations above 7000 feet, please refer to the furnace Speci-
fication Sheets for required kit(s).
Contact the distributor for a tabular listing of appropriate
manufacturer’s kits for propane gas and/or high altitude installa-
tions. The indicated kits must be used to insure safe and proper
furnace operation. All conversions must be performed by a qualified
installer, or service agency.
Alternate Vent/Flue Location
Figure 3A
Figure 3B
Figure 3C
Recommended Installation Positions
High
Stage
Low
Stage
Natural None #45 3.5" w.c. 1.9" w.c. None
Propane
LPM-08*
1
1.25mm 10.0" w.c. 6.0" w.c. None
Manifold Pressure
Pressure
Switch
Change
0-7000
1
LPM-08* supports both Honeywell and White-Rodgers 2-stage valves
NOTE: In Canada, gas furnaces are only certified to 4500 feet.
Gas Altitude Kit Orifice
WARNING
P
OSSIBLE
PROPERTY
DAMAGE
,
PERSONAL
INJURY
OR
DEATH
MAY
OCCUR
IF
THE
CORRECT
CONVERSION
KITS
ARE
NOT
INSTALLED
. T
HE
APPROPRIATE
KITS
MUST
BE
APPLIED
TO
ENSURE
SAFE
AND
PROPER
FURNACE
OPERATION
. A
LL
CONVERSIONS
MUST
BE
PERFORMED
BY
A
QUALIFIED
INSTALLER
OR
SERVICE
AGENCY
.
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