Carrier 58MEC 01SM Gas Furnace Owners Manual

58MEC DELUXE 4 WAY MULTIPOISE 2 STAGE CONDENSING GAS FURNACE SIZES 060 TO 120 Service and Maintenance Instructions NOTE: Read the entire instruction manual before starting the installation. SAFETY CONSIDERATIONS 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 which could result in personal injury or death. CAUTION is used to identify unsafe practices which may 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. Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified service agency personnel should install, repair, or service heating equipment. TABLE OF CONTENTS PAGE SAFETY CONSIDERATIONS . 1 GENERAL . 2 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS. 2 CARE AND MAINTENANCE . 3 Cleaning and/or Replacing Air Filter 3 Blower Motor and Wheel Maintenance 3 Cleaning Burners . 5 Cleaning Heat Exchangers 7 Primary Heat Exchangers 7 Secondary Heat Exchangers 7 Flushing Collector Box and Drainage System . 8 Servicing Hot Surface Igniter . 10 Electrical Controls and Wiring 11 Checking Heat Tape Operation (If Applicable) . 11 Winterizing 11 WIRING DIAGRAM 13 TROUBLESHOOTING 13 Status Codes . 13 Component Tests 14 TROUBLESHOOTING GUIDE . 17 ! WARNING ELECTRICAL SHOCK, FIRE, OR EXPLOSION HAZARD Failure to follow this warning could result in personal injury, death or property damage. 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. ! ! ELECTRICAL HAZARD WARNING WARNING SHOCK, FIRE, OR EXPLOSION FIRE OR EXPLOSION HAZARD Failure to follow this warning could result in property damage, personal injury, or death. 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.