Carrier Owners Manual - Enlarge page 1 of 8
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From inside (document excerpt):
Product Data 58CMA Multipoise Oil Furnace Series 120 Input Capacities: 70,000 thru 154,000 Btuh The Latest in Oil Furnace Technology The model 58CMA combines high efficiency and quiet operation with the latest oil heating technology. The 58CMA is available in 2 sizes. Each size can be fired at 3 different rates by a simple nozzle and pump pressure change. Unit 58CMA105 covers input ranges from 70,000 to 105,000 Btuh.
Unit 58CMA120 covers input ranges from 119,000 to 154,000 Btuh. The furnace design is a multipoise style for upflow, downflow, and horizontal applications. The components of the 58CMA are the finest in the industry. The unit uses a Beckett oil burner with a Honeywell R7184 ignition controller, “clean-cut ” oil pump and fan cycler timer. The 58CMA is a standard part of a quality-built home. This energyefficient 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. 58CMA FEATURES/ BENEFITS Casing — Made of 20 gage powder painted steel for years of durability and attractiveness. The cabinet features a reversible door ensuring ease of service access even in downflow applications. 2003 Carrier Corporation Form 58CMA-4PD Certifications — The 58CMA unit is UL and ULC certified. The efficiency is GAMA efficiency rating certified. Warranties — Limited Lifetime Warranty on combustion chamber/heat exchanger assembly. Five-year Warranty on Beckett burner and remaining components. Contact your dealer for details. Combustion Products Venting — Top or side flue outlets. Unit may be vented using Type L vent material and a factory-built metal or masonry chimney. The unit may also be sidewall vented with an approved power venter. Insulation and Soundproofing — A unique silencer baffle along with insulated walls and rubber blower mounts, efficiently captures most combustion noise and vibrations and makes this unit 1 of the quietest on the market. Adjustable Blower Speed — Fourspeed blower for precise airflow selection of heating or cooling operation. Constant Low-Speed Blower Switch –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. Beckett Oil Burner and Honeywell Controls –High quality Beckett oil burner allows safe and efficient combustion of oil. Honeywell ignition control and fan timer board provide for reliable operation and easy connection of thermostat and accessory wiring. Combustion Chamber/Heat Exchanger –Composed mainly of stainless and aluminized steel, the unique combination combustion chamber/heat exchanger resists corrosion, overheating, and deterioration. Its heat transfer properties make it energy efficient. All seams are tightly welded for leakfree operation. Model number nomenclature 58CMA 105 110 12 Multipoise Oil Furnace Input Capacity 105 — 70,000 Btuh with 0.50 gph nozzle @ 100 psi — 91,000 Btuh with 0.55 gph nozzle @ 140 psi — 105,000 Btuh with 0.65 gph nozzle @ 130 psi 120 — 119,000 Btuh with 0.75 gph nozzle @ 130 psi — 140,000 Btuh with 0.85 gph nozzle @ 140 psi — 154,000 Btuh with 0.85 gph nozzle