Assessments - 2, GPA: 3 ( )

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If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are more affected by carbon monoxide than others. These include pregnant women, persons with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes. Natural Gas: Raw natural gas is odorless. An odor making agent is added to natural gas, which helps you detect a natural gas leak. However the odor added to natural gas can fade. So natural gas may be present even though no odor is detected. Make certain you read and understand all warnings. Keep this manual for reference. It is your guide to safe and proper operation of this heater. Installation instructions and Owner’s Manual 70574 REV. C 8/05 Product Features Ignitor Button Control Knob Grill Front Panel Burners Heater Cabinet Product Features Ignitor Button Control Knob Grill Front Panel Burners Heater Cabinet Figure 1 SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensor (ODS) safety shut off system. The ODS/pilot shuts off the heater if there is not enough fresh air. IGNITION SYSTEM PIEZO: BF10NG / IR10NG – The heater is equipped with a piezo manual ignitor. This system requires no matches, batteries, or other source to light heater. Electronic: BF20NGT/BF30NGT/IR20NGT/IR30NGT – The heater is equipped with an electronic manual ignitor. This system requires no matches, or other source to light heater, but does require one AA battery to operate ignitor. To install or replace battery unscrew the ignitor cap (red button), insert battery and replace cap. THERMOSTATIC CONTROL ON THERMOSTAT MODELS FRESH AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. ESTABLISHING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code, NFPA 54/ ANSI Z223.1, Section 5.3, Air for Combustion and Ventilation. All spaces in homes fall into one of the three following ventilation classifications: 1. Unusually Tight Construction 2. Unconfined Space 3. Confined Space This heater must not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air. The information on pages 3 through 5 will help you classify your space and provide adequate ventilation. Unusually Tight Construction If your home meets all of the three following criteria you must provide additional fresh air. See Ventilation Air from Outdoors, page 5. Unusually tight construction is defined as construction where: a. Walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of one perm (6 x 10-11 kg per pa-sec-m2) or less with openings gasketed or sealed and b. Whether stripping has been added on openable windows and doors, and (BF20NGT, BF30NGT, IR20NGT and IR30NGT) These heaters have a control valve with a thermostat sensing bulb. This results in the greatest heater comfort and may result in lower bills. LOCAL CODES Install and use heater with care. Installation must conform to local codes or in the absences of local codes, use the latest edition of National Fuel Gas Code ANSI Z223.1/NFPA 54. UNPACKING 1. Remove heater from carton. 2. Remove all protective packaging applied to heater for shipment. 3. Check heater for any shipping damage. If heater is damaged, promptly inform dealer where you bought heater. c. Caulking or sealants are applied to areas such as joints around windows and door frames, between wall-ceiling joints, between wall panels, at penetrations for plumbing, electrical, and gas lines, and at other openings. If you home does not meet all of the three criteria above, see Determing the Type of Heater Location Space, page 4. Confined Space and Unconfined Space The National Fuel Gas Code, NFPA 54/ ANSI Z223.1 defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 Btu per hour (4.8 m3 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 (4.8 m3 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. 3 Installation instructions and Owner’s Manual *Adjoining rooms are communication only if there are doorless passageways or ventilation grills between them. *Adjoining rooms are communication only if there are doorless passageways or ventilation grills between them. Use this method to determine if you have a confined or unconfined space. Note: the space includes the room i...

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