Carrier 58M 2SM Gas Furnace Owners Manual

58MCA, 58MXA, 58MVP Deluxe Multipoise Gas-Fired Condensing Furnaces Service and Maintenance Instructions For Sizes 040–120, Series 111 NOTE: Read the entire instruction manual before performing any service or maintenance. ® ama A93040 Index Page CANADIAN GAS ASSOCIATION SAFETY CONSIDERATIONS 1-2 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE .2 GENERAL 2 CARE AND MAINTENANCE 2-13 Clean and/or Replace Air Filter 2-3 Blower Motor and Wheel Maintenance 3-4 Clean Burners 4-5 Clean Heat Exchangers .5-8 Primary Heat Exchangers 5-6 Secondary Heat Exchangers 6 Flush Collector Box and Drainage System 6 Service Hot Surface Ignitor 6 Electrical Controls and Wiring .6-9 Troubleshooting .9-12 Check Heat Tape Operation (If Applicable) 12 Winterizing 13 WIRING DIAGRAM 14 and 20 Fixed Capacity 14 Variable Capacity 20 TROUBLESHOOTING 15-19 Fixed Capacity .15-17 Variable-Capacity Service Label 18-19 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, including NFPA 54/ANSI Z223.1-1992, National Fuel Gas Code. In Canada, refer to the current edition of A PP R O VED R A93007 Fig. 1–Multipoise Furnace in Upflow Orientation the National Standard of Canada CAN/CGA-B-149. Wear safety glasses and work gloves. Have a 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 unit 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 hazards which 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. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation. 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. FAILURE TO FOLLOW THIS WARNING COULD RESULT IN POSSIBLE DAMAGE TO THIS EQUIPMENT, SERIOUS PERSONAL INJURY, OR DEATH. 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. 565-904 Printed in U.S.A. Form 58M-2SM Pg 1 6-94 Replaces: 58M-1SM 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.