Carrier Owners Manual - Enlarge page 1 of 8
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From inside (document excerpt):
Product Data ® 58WAV WeatherMaker® 8000 High-Efficiency Upflow Furnace Input Capacities: 45,000 thru 155,000 Btuh Advanced Technology for High-Efficiency Gas Furnaces Carrier leads the industry with its new WeatherMaker® 8000 InducedDraft Gas Furnace. This furnace is built with the most advanced manufacturing equipment, processes, and technology available in order to ensure top quality. Packed into the cabinet are the industry’s foremost dealer and homeowner features.
The 58WAV Upflow Furnace is the newest addition to Carrier’s list of product leadership in the gas furnace industry. These induced-combustion, gasfired furnaces offer not only low installation costs, but fuel economy as well — delivering an Annual Fuel Utilization Efficiency (AFUE) rating of 80.0%. The Carrier WeatherMaker 8000 utilizes a hot surface, silicon carbide ignition system to save energy and increase reliability. Our design uses the patented Sshaped 4-pass heat exchanger, a new soft mount inducer assembly, and a slow opening gas valve to improve sound level. The Super-S heat exchanger provides better heat transfer while enabling us to make a compact furnace. This provides more room in closet, utility room, and short basement installations. The heat exchanger is constructed of aluminized steel and is backed by a 20-year Limited Warranty. The Carrier WeatherMaker 8000 Gas Furnace will meet your home heating requirements. This furnace family provides the widest range of heating capacities available. The superior attention to cabinet detail is obvious. The Carrier Weathermaker 8000 features 1-piece, seamless, wrap-around construction. 1996 Carrier Corporation Form No. 58WAV-5PD There are no spot welds on the exterior surfaces of the Weathermaker 8000 Furnace. There is also double protection for the cabinet. First, a galvanized steel substrate provides resistance to rusting. Then the cabinet is constructed of prepainted steel–the same high-quality finish found on refrigerators and dishwashers. Perhaps the most advanced feature of the Weathermaker 8000 is the microprocessor control board. The simplified electronics in this control board provide high reliability while performing many of the functions of older, electro-mechanical devices in other furnaces. Advanced features of the board show true leadership in furnace technology. The control board provides blower delay at start-up and shutdown, while monitoring furnace operations and functions. In the unlikely event of a service call, in less than a minute, the technician can use the self-test feature to determine if a major component has failed.