I N S T A L L A T I O N I N S T R U C T I O N S
NOTICE BEFORE INSTALLATION
The heater must be installed by a qualified service person according to this installation instructions.
When used without adequate combustion and ventilation heater air may give off carbon monoxide.
Check your local building codes for the proper method of installation. In the absence of local codes, this heater installation must conform with American National Standard (National Fuel Gas Code) ANSI Z223.1.
Available from the American National Standards Institute, Inc., 1430 Broadway, New York, NY 10018, or from the National Fire Protection Association, Batterymarch Park, Quincy, MA 02269.
All correspondence should refer to Model No., Serial No., and type of gas.
WARNING: Electrical Grounding Instructions
This appliance is equipped with a
This appliance may be installed in an aftermarket manufactured (mobile) home where not prohibited by state or local code.
Aftermarket = completion of sale, not for purpose of resale from manufacturer.
This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air.
The National Fuel Gas Code ANSI Z223.1 defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 Btu per hour (4.8m3 per kW) of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1,000 Btu per hour (4.8m3 per kW) of the aggregate input rating of all appliances installed in that space.
Rooms communicating directly with the space in which the appliances are installed, through openings not furnished with doors, are considered a part of the unconfined space.
The following formula can be used to determine the maximum heater rating per the definition of unconfined space:
BTU/HR = (L1 +L2)Ft X (W)Ft X (H) Ft X 1000 50
Consider two connecting rooms with an open area between, with the following dimensions:
BTU/HR = (15 1/2+12) X (12) X (8) X 1000 50
= 52800 BTU/HR
If there is a door between the two rooms that can be closed the calculation must be based only on the room with the heater.
BTU/HR = (15 1/2) X (12) X (8) X 1000 50
= 29760 BTU/HR
WARNING: If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, Section 5.3 or applicable local codes.
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