58MEC
DELUXE
CONDENSING GAS FURNACE
SIZES 060 TO 120
Service and Maintenance Instructions
NOTE: Read the entire instruction manual before starting the installation.
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 safety warnings exactly could result in dangerous operation, personal injury, death, or property damage.
- Before servicing, disconnect all electrical power to furnace and install lock out tag.
- Verify proper operation after servicing.
SAFETY CONSIDERATIONS
Recognize safety information. This is the
Understand the signal words DANGER, WARNING, and CAUTION. These words are used with the
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.
!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.
!WARNING
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.
3.Paint thinners and other painting compounds, paper bags, or other paper products.
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