Installations Instructions

15
LEVELING
Leveling ensures proper condensate drainage from the heat
exchanger. For proper flue pipe drainage, the furnace must
be level lengthwise from end to end. The furnace should
have a slight tilt from back to front with the access doors
downhill from the back panel approximately 1/2 to 3/4
inches. The slight tilt allows the heat exchanger condensate,
generated in the recuperator coil, to flow forward to the
recuperator coil front cover.
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 “bot-
tom” 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 Horizont al Appl icat ions and Condit ions - Dr ai n Tr ap
and Lines.
P ROPANE G AS / H IGH A LT ITUDE I NSTALLAT IONS
WARNING
P OSSIBLE PROPERTY DAM AGE , PERSONAL INJURY OR DEATH M AY
OCCUR IF THE CORRECT CONVERSION KITS ARE NOT INSTALLED . T HE
APPROPRIATE KITS M UST BE APPLIED TO ENSURE SAFE AND PROPER
FURNACE OPERATION . A LL CONVERSIONS M UST BE PERFORM ED 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 dif-
ference between natural and propane gas.
High
Stage
Low Stage
(50% firing
rate)
Natural None #45
1
3.5" w.c. 1" w.c. None
Propane LPM-09 1.25MM
2
10.0" w.c. 2.6" w.c. None
Orific eGas
0-10,000
Manifo ld Pr e ssur e
Pr e ssu r e
Sw itch
Change
Altitude Kit
NOTE:
In Canada, gas furnaces are only certified to 4500 feet.
For furnaces being converted to LP gas, it is strongly recom-
mended that a LPLP03 kit also be installed. The use of this
kit will prevent the furnace from firing when the LP gas sup-
ply pressure is too low to support proper combustion.
The indicated kit must be used to ensure safe and proper fur-
nace operation. All conversions must be performed by a quali-
fied installer, or service agency.
V ENT / F LUE P IPE & C OMBUSTION A IR P IPE
This manual will refer to the pipe that discharges products
of combustion to the outdoors as the “vent” pipe or “flue”
pipe. The pipe that supplies air for combustion to the fur-
nace will be referred to as the “intake”pipe or “combustion
air” pipe. 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 or ABS pipe is typi-
cally used as venting and intake pipe materials. In Canada
ABS is not an approved vent pipe material but it is permissable
to use as combustion air pipe material.
In addition to PVC and ABS pipe and fittings, Innoflue
®
by
Centrotherm Eco Systems and PolyPro
®
by M&G Duravent
are also approved vent and combustion air materials for
installations in the U.S.A. and Canada. Manufacturers In-
stallation instructions for these products must be followed.
These products have specific instructions for installing,
joining and terminating. Do not mix materials or compo-
nents of one manufacturer with materials or components of
another manufacturer.
All furnaces are manufactured with 2" vent / intake pipe and
connectors. For furnaces requiring installation of 3" pipe,
the transition from 2" to 3" should be done as close to the
furnace as practically possible.
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. Never
common vent this appliance with another appliance or use a
vent which is used by a solid fuel appliance.
It is the responsibility of the installer to follow the manufactur-
ers’ recommendations and to verify that all vent/flue piping and
connectors are compatible with furnace flue products. Addition-
ally, it is the responsibility of the installer to ensure that all piping
and connections possess adequate structural integrity and sup-
port to prevent flue pipe separation, shifting, or sagging during
furnace operation.
F AILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN BODILY
INJURY OR DEATH . C AREFULLY READ AND FOLLOW ALL INSTRUCTIONS
GIVEN IN THIS SECTION .
WARNING
U PON COM PLETION OF THE FURNACE INSTALLATION , CAREFULLY
INSPECT THE ENTIRE FLUE SYSTEM BOTH INSIDE AND OUTSIDE OF THE
FURNACE TO ASSURE IT IS PROPERLY SEALED . L EAKS IN THE FLUE
SYSTEM CAN RESULT IN SERIOUS PERSONAL INJURY OR DEATH DUE TO
EXPOSURE TO FLUE PRODUCTS , INCLUDING CARBON M ONOXIDE .
WARNING