Carrier 58MEC instruction manual Table Of Contents, Safety Considerations, SIZES 060 TO

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.

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.

-When servicing controls, label all wires prior to disconnecting. Reconnect wires correctly.

- Verify proper operation after servicing.

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.

!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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