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installed in accordance with the current CAN/CGA-B149.1 & 2 Gas Installation Codes, local
plumbing or waste water codes and other applicable codes.
Additional helpful publications are available from the NFPA are, NFPA 90A - Installation of Air
Conditioning and Ventilating System and NFPA 90B - Warm Air Heating and Air Conditioning
System.
ANNUAL inspections of the furnace and it's vent system is strongly recommended. It is the
installer's responsibility to inform the user of this importance.
All venting shall be in accordance with PART 7, Venting of Equipment, of the National Fuel Gas
Code, ANSI Z223.1, or applicable local building and/or air conditioning codes.
These publications are available from:
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
The GMPN series of furnaces meet the California NOx emmission standards and California
seasonal efficiency standards.
I LOCATION I
DO NOT install this furnace in a mobile home. This furnace is designed only for installation in
buildings constructed on site and connected to ductwork. When installed in a utility room or closet,
the door should be wide enough to allow the largest part of the furnace to enter, or to permit the
replacement of another appliance, such as a water heater. This furnace is designed to be
installed indoors only. DO NOT install outdoors. This furnace should be installed in such a
manner so that it is protected from water. If any components should become wetted or
submerged under water, replace those parts before returning the furnace to operation. DO NOT
use as a construction heater. DO NOT use in an area where freezing may occur without properly
protecting the vent and drain system. The drain may crack and leak if subjected to freezing
temperatures. DO NOT install in a room used or designed to be used as a bedroom, bathroom or
storage closet, or in any enclosed space with access only through such a room or space.
A return air filter grille or means of inserting a filter into the return air duct is recommended.
The furnace and it's individual shut-off must be disconnected from the gas supply piping system
during any pressure testing of that system at test pressures in excess of 1/2 psig (3.5kPa)
The furnace must be isolated from the gas supply piping system by closing it's individual manual
shut-off valve during any pressure testing of the gas supply piping system at pressures equal to or
less than 1/2 psig (3.5 kPa).
MINIMUM CLEARANCES TO COMBUSTIBLE SURFACES
Unobstructed front clearance of 24" for servicing is recommended.
VENT-0"
FRONT-3" RIGHT SIDE - 1"
LEFT SIDE - 1" REAR - 0" TOP OF PLENUM - 1"
ACCESSIBILITY CLEARANCE, WHERE GREATER, SHOULD TAKE PRECEDENCE OVER
MINIMUM FIRE PROTECTION CLEARANCE.
A gas fired furnace for installation in a residential garage must be installed so that the ignition
source and burners are located not less than eighteen inches (18") above the floor and is
protected or located to prevent physical damage by vehicles.
IO-151 5
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