Carrier Owners Manual - Enlarge page 1 of 8
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From inside (document excerpt):
58CLA Low Boy Oil Furnace Input Capacities: 70,000 thru 154,000 BTUH Series 140 Product Data 58CLA FEATURES/BENEFITS Beckett Oil Burner and UTEC Controls S S High quality Beckett oil burner with “clean-cut ” pump allows safe and efficient combustion of oil. UTEC ignition control and fan timer board provide reliable operation and easy connection of thermostat and accessory wiring. Made of 18-gauge painted steel for years of durability.
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Cabinet features an insulated enclosure for the burner and controls. Unique sound trap along with insulated walls efficiently captures most combustion and vibration noise to make this unit one of the quietest on the market. Rear flue outlet. Unit may be vented using Type L vent material and a factory-built metal or masonry chimney. Unit may also be sidewall vented with an approved power venter. 4-speed blower for precise airflow selection of heating or cooling operation. Allows continual low-speed air circulation through the home to maximize comfort while maintaining efficiency. Air is constantly filtered and stagnant air is avoided. This option can be controlled by the homeowner. Composed mainly of stainless and aluminized steel, the unique combination combustion chamber/heat exchanger resists corrosion, overheating, and deterioration. Heat transfer properties make it highly efficient. All seams are tightly welded for leak-free operation. 58CLA unit is CSA certified. The efficiency is GAMA efficiency rating certified. Casing S S Insulation and Soundproofing S Combustion Products Venting S S A06626 S THE LATEST IN OIL FURNACE TECHNOLOGY The model 58CLA combines high efficiency and quiet operation with oil heating technology. The 58CLA is available in 2 sizes. Each size can be fired at 3 different rates by a simple nozzle and pump pressure change. Unit 58CLA105 covers input ranges from 70,000 to 105,000 BTUH. Unit 58CLA120 covers input ranges from 119,000 to 154,000 BTUH. The furnace design is a low-boy style for upflow applications, where overhead space is limited. The components of the 58CLA are the finest in the industry. The unit uses a Beckett oil burner with a UTEC ignition controller, “clean-cut ” oil pump and fan cycler timer. The 58CLA is a standard part of a quality-built home. This high efficiency furnace will provide years of quality service to home builders and homeowners alike. As with other Carrier furnaces, this model is designed to work as part of a total home comfort system which includes elements for cooling, air cleaning, humidification, ventilation, and zoning. Adjustable Blower Speed S Constant Low-Speed Blower Switch S Combustion Chamber/Heat Exchanger S Certifications UNUSED 3 1 2 3 4 5 H U M X LEADS S 2 E A C C O N T C O O L H E A T N 6 7 C ON 1 2 G W R Y C A96369 A96370 A03172 58CLA COMBUSTION CHAMBER/ HEAT EXCHANGER CONTROL CENTER OIL BURNER MODEL NUMBER NOMENCLATURE 58CLA 105 120 12 Riello Burner Low Boy Oil Furnace Series Cooling Size Airflow (Nominal 400 CFM per 12,000 Btuh Cooling) 12 1200 CFM Input Capacity 105 70,000 Btuh with 0.40 gph nozzle 91,000 Btuh with 0.50 gph nozzle 105,000 Btuh with 0.65 gph nozzle 120 119,000 Btuh with 0.75 gph nozzle 140,000 Btuh with 0.85 gph nozzle 154,000 Btuh with 1.00 gph nozzle.