Carrier Owners Manual - Enlarge page 1 of 20
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From inside (document excerpt):
Product Data ® 58UHV, 58UXV WeatherMaker® 8000 Variable-Speed High-Efficiency Upflow/Horizontal Furnace Input Capacities: 60,000 thru 120,000 Btuh Variable-Speed Heating for High-Efficiency Gas Furnaces Carrier leads the industry with our new WeatherMaker® 8000 VariableSpeed Upflow/Horizontal InducedCombustion Gas Furnace. This furnace can operate at a wide range of airflow settings which provide outstanding home comfort.
The WeatherMaker 8000 Variable-Speed 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 WeatherMaker 8000 Variable-Speed is the latest addition to Carrier’s list of product leadership in the gas furnace industry. These variable-speed inducedcombustion, gas-fired furnaces offer not only low installation costs, but fuel economy as well — delivering an Annual Fuel Utilization Efficiency (AFUE) rating of 80.0%. The WeatherMaker 8000 Variable-Speed offers outstanding efficiency year round. The efficiency provided by the variablespeed blower motor can add up to 1-1/2 points in seasonal energy efficiency ratio (SEER) to an air conditioner or heat pump system. The WeatherMaker 8000 Variable-Speed utilizes a hot surface ignition system to save energy and increase reliability. Our design uses the patented S-shaped 4-pass heat exchanger, a soft mount 2-speed inducer assembly, and a 2-stage slow-opening gas valve to 1996 Carrier Corporation Form 58UHV-2PD minimize 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 WeatherMaker 8000 Variable-Speed will meet your home heating requirements. This furnace family provides a wide range of heating capacities. All models are GAMA efficiency rating certified. The 58UXV models are certified for use in California Air Quality Management Districts. The superior attention to cabinet detail is obvious. The WeatherMaker 8000 Variable-Speed features 1-piece, seamless, wrap-around construction. There are no spot welds on the exterior surfaces. 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 Variable-Speed is the state-of-the-art microprocessor control which shows true leadership in furnace technology. The simplified electronics in this control provide high reliability while performing many of the functions of older, electro-mechanical devices in other furnaces. Advanced features of the control show Carrier’s true leadership in furnace technology. The control 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. The control will check itself, then the low and high inducer speeds, hot surface ignition, and low-, medium-, and high-speed blower operation.