W415-3101 / B / 01.09.23
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IOM
IOM
4.4 AIR CONDITIONING
5.0 COMBUSTIBLE CLEARANCES
H8.4.4
This furnace may be used as part of an air conditioning system. The furnace wiring and control system is “air
conditioning ready.” There are the following factors to consider:
The air conditioning evaporator coil must be downstream of the heat exchanger. The cooled air passing
over the warmer heat exchanger tubes can cause condensation inside the tubes, resulting in corrosion and
premature failure.
If installing a two stage air conditioning system, clip the JW38 jumper wire between Y (low cool) and Y2 (high
cool) on the furnace control board.
Control defaults to Y2 (high cool) if JW38 jumper wire is NOT cut.
H9.0
Table B provides the certifi ed clearances to combustibles information. Also see the appliance rating plate
affi xed to the furnace for specifi c model number, serial number and clearance to combustibles information.
IMPORTANT:
THIS FURNACE REQUIRES A MINIMUM OF 24" (610mm) OF FRONT CLEARANCE FOR
SERVICE PURPOSES. FOR THIS PURPOSE, SERVICE CLEARANCE TAKES PRECE-
DENCE OVER CLEARANCE TO COMBUSTIBLES.
H3.97
THIS FURNACE IS CERTIFIED FOR INSTALLATION ON COMBUSTIBLE FLOORS. THIS
SHALL BE INTERPRETED AS A WOOD FLOOR ONLY. FAILURE TO COMPLY WITH THESE
INSTRUCTIONS CAN RESULT IN FIRE, CAUSING PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
THE FURNACE MUST NOT BE INSTALLED DIRECTLY ON CARPETING, TILE, OR ANY
COMBUSTIBLE MATERIAL OTHER THAN WOOD FLOORING.
THE AREA AROUND THE FURNACE MUST BE KEPT CLEAR AND FREE OF ALL
COMBUSTIBLE MATERIALS INCLUDING GASOLINE AND OTHER FLAMMABLE VAPORS
AND LIQUIDS.
THE HOMEOWNER SHOULD BE CAUTIONED THAT THE FURNACE AREA MUST NOT BE
USED AS A CLOSET OR FOR ANY OTHER STORAGE PURPOSE.
WARNING
! !
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