20
A
LTERNATE
V
ENT
/F
LUE
AND
C
OMBUSTION
A
IR
C
ONNECTIONS
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.
A
LTERNATE
E
LECTRICAL
AND
G
AS
L
INE
C
ONNECTIONS
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.
D
RAIN
P
AN
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).
F
REEZE
P
ROTECTION
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.
Hig h 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
NO TE:
In Canada, gas furnaces are only cert ified t o 4500 f eet.
O rifice
2
Except 115,000 BT U: #55
1
Except 115,000 BT U: #43
Gas
0-7000
Manifo ld Pressure
Pr essure
Switch
Change
Altitude
Ki t
A/GCVM961 005DX
LPKMOD100CF
A/GCVM960 604CX
LPKMOD060CF
A/GCVM960 805DX
LPKMOD080CF
A/GMVM961005DX
A/GMVM961155DX
LPKMOD060UF
LPKMOD080UF
LPKMOD100UF
LPKMOD115UF
Furnace Mode l
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