20
ALTERNATE VENT/FLUE AND COMBUSTION A IR CONNECTIONS
In horizontal installations with the furnace laying on the left
hand side, the alternate vent connection may be used. In
this configuration, the internal elbow is removed The stan-
dard piping connections may also be used in these posi-
tions. Refer to Vent/Flue Pipe and Combustion Air Pipe for
details concerning the conversion to the alternate vent/flue
and combustion air connections.
When using the horizontal alternate vent configuration, you
must use the RF000142 vent drain kit. See following illustra-
tion.
Recommended Installation Positions
NOTE: Alternate “vertical” piping connections can not be used
when an upflow furnace is installed with supply air discharging to
the right, or when a counterflow furnace is installed with supply air
discharging to the left. In either case, use the standard flue and
combustion air piping connections.
ALTERNATE E LECTRICAL AND GAS L INE 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.
Propane Gas/High Altitude Installations
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
.
This furnace is shipped from the factory configured for natural gas
up to 10,000 ft. altitude. Propane conversions require the
proper LP kit to compensate for the energy content differ-
ence between natural and propane gas.
LP kits include a manifold assembly, including an LP gas
valve, orifices and LP burners.
High Stage Low Stage
Natural None
#45
1
3.5" w.c. 1" w.c. None
Propane LPKMOD*****
1.25MM
2
10.0" w.c. 2.6" w.c. None
NOTE:
In Canada, gas furnaces are only certified to 4500 feet.
Orifice
2
Except 115,000 BTU: #55
Except 115,000 BTU: #43
Gas
0-7000
Manifo ld Pressure
Pr essure
Switch
Change
Altitude Kit
A/GCVM961005DX LPKMOD100CF
A/GCVM960604CX LPKMOD060CF
A/GCVM960805DX LPKMOD080CF
A/GMVM961005DX
A/GMVM961155DX
LPKMOD060UF
LPKMOD080UF
LPKMOD100UF
LPKMOD115UF
Furnace Model LP Kit
A/GMVM960603BX
A/GMVM960805CX
The indicated kits must be used to insure safe and proper furnace
operation. All conversions must be performed by a qualified in-
staller, or service agency.
PRODUCT DESIGN
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