Carrier Owners Manual - Enlarge page 1 of 8
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From inside (document excerpt):
58SMA, 58SUA Category I and III Gas-Fired Induced-Combustion Furnace Service and Maintenance Instructions For Sizes 060-120, Series 100 NOTE: Read the entire instruction manual before starting the installation. SAFETY CONSIDERATIONS Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified personnel should install, repair, or service heating equipment.
Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained service personnel. When working on heating equipment, observe precautions in the literature, on tags, and on labels attached to or shipped with the unit and other safety precautions that may apply. Follow all safety codes. In the United States, follow all safety codes including the National Fuel Gas Code NFPA No. 541992/ANSI Z223.1-1992. In Canada, refer to the current edition of the National Standard of Canada CAN/CGA-B149.1- and .2-M91 Natural Gas and Propane Gas Installation Codes. Wear safety glasses and work gloves. Have fire extinguisher available during start-up and adjustment procedures and service calls. Recognize safety information. This is the safety-alert symbol. When you see this symbol on the furnace and in instructions or manuals, be alert to the potential for personal injury. Understand the signal words DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies a hazard that could result in personal injury or death. CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage. A94087 Fig. 1–Model 58SMA Horizontal ® ama CANADIAN GAS ASSOCIATION R A PP R O VED The ability to properly perform maintenance on this equipment requires certain expertise, mechanical skills, tools, and equipment. If you do not possess these, do not attempt to perform any maintenance on this equipment other than those procedures recommended in the User’s Manual. A FAILURE TO FOLLOW THIS WARNING COULD RESULT IN POSSIBLE DAMAGE TO THIS EQUIPMENT, SERIOUS PERSONAL INJURY, OR DEATH. CARE AND MAINTENANCE For continuing high performance and to minimize possible equipment failure, it is essential that periodic maintenance be performed on this equipment. Consult your local dealer as to the proper frequency of maintenance and the availability of a maintenance contract. A94086 Fig. 2–Model 58SMA Downflow A94085 Fig. 3–Model 58SUA Upflow Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Catalog No. 565-888 Printed in U.S.A. Form 58S-1SM Pg 1 4-94 Replaces: New Tab 6a 8a Never store anything on, near, or in contact with the furnace, such as: 1. Spray or aerosol cans, rags, brooms, dust mops, vacuum cleaners, or other cleaning tools. 2. Soap powders, bleaches, waxes or other cleaning compounds, plastic or plastic containers, gasoline, kerosene, cigarette lighter fluid, dry cleaning fluids, or other volatile fluids. 3. Paint thinners and other painting compounds, paper bags, or other paper products. A failure to follow this warning could result in corrosion of the heat exchanger, fire, personal injury, or death. Never operate unit without a filter or with filter access door removed. A failure to follow this warning could result in fire, personal injury, or death. 1. Horizontal and Downflow Each furnace requires 2 filters which are installed in the return-air duct. (See Fig. 4 and 5.) To remove filters for cleaning or replacement, proceed as follows: a. Disconnect electrical power before removing access door. b. Remove blower access door. c. Reach up behind top plate, tilt filters toward center of return-air plenum and remove filters. Clean washable filters as needed or replace non-washable or torn filters. Turn the gas and electrical supplies to the unit to OFF before performing any maintenance or service. Follow the operating instructions on the label attached to the furnace. A failure to follow this warning could result in personal injury. The minimum maintenance that should be performed on this equipment is as follows: 1. Check and clean air filter each month or more frequently if required. Replace if torn. 2. Check blower motor and wheel for cleanliness each heating and cooling season. Clean and lubricate as necessary.