A gas furnace must not be installed directly on carpeting, tile, or other combustible materials
other than wood flooring.
COMBUSTIBLE MATERIAL MUST NOT BE PLACED ON OR AGAINST THE FURNACE
CABINET. THE AREA AROUND THE FURNACE MUST BE KEPT CLEAR AND FREE OF ALL
COMBUSTIBLE MATERIAL INCLUDING GASOLINE AND OTHER FLAMMABLE VAPORS AND
LIQUIDS. THE USER SHOULD BE CAUTIONED THAT THE FURNACE AREA MUST NOT BE
USED AS A BROOM CLOSET OR FOR ANY OTHER STORAGE PURPOSE.
A SOLID BASE PLATE IS SUPPLIED WITH THIS FURNACE. IT MUST BE LEFT IN PLACE
WHEN THE FURNACE IS INSTALLED WITH SIDE RETURN DUCTS. FAILURE TO LEAVE
THIS BASE PLATE INSTALLED COULD CAUSE PRODUCTS OF COMBUSTION, INCLUDING
CARBON MONOXIDE, TO BE CIRCULATED INTO THE LIVING SPACE AND CREATE A
POTENTIALLY HAZARDOUS CONDITION, INCLUDING CARBON MONOXIDE POISONING.
REFER TO THE SECTION ON "CIRCULATING AIR SUPPLY" FOR RETURN DUCT
INSTRUCTIONS.
Before proceeding with this installation check the following;
• Correct clearance from combustible materials
• Adequate accessibility for servicing
• Flooring is not carpet or any other combustible material, except wood
• Adequate combustion / ventilation air is supplied
• Metal base plate is in place when using side(s) for return air
• In a garage, the furnace has been adequately elevated and protected from vehicle damage
• Furnace area is free of flammable materials and vapors such as gasoline
I VENTING ]
PROPER INSTALLATION OF THE VENTING SYSTEM IS CRITICAL TO SAFE OPERATION OF
THIS PRODUCT. CAREFULLY READ AND UNDERSTAND THE INSTRUCTIONS IN THIS
SECTION. DO NOT CONNECT TO AN EXISTING VENT OR CHIMNEY.
THE FOLLOWING TABLE SHOWS THE MAXIMUM VENT LENGTH WITH VARIOUS
QUANTITY OF ELBOWS. ELBOWS MUST BE LONG RADIUS TYPE (QUARTER BENDS OR
DWV).
MODEL VENT 0 ELL 1 ELL 2 ELL 3 ELL 4 ELL
DIA,
GM P N040 2" 100' 100' 100' 100' 100'
GM P N060 3" 100' 100' 100' 100' 100'
GMPN060 2" 75' 67.5' 60' 52.5' 45'
GM P N080 3" 100' 100' 100' 100' 100'
IO-151 6
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