Carrier 58MCA Users Information Manual For The Operation And Maintenance

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Carrier 58MCA Users Information Manual For The Operation And Maintenance Manual pdf 8 page image

8a27 284. Reinstall burner enclosure front.5. If your furnace is free of the above conditions, replaceaccess door and turn on electrical and gas supplies tothe furnace. (See Fig. 13, 14, and 15.)6. Start the furnace and observe its operation. Watch theburner flames to see if they are clear blue, almost trans-parent. (See Fig. 29.) If you observe a suspected mal-function, or the burner flames are not clear blue, callyour dealer.29HEADING SOUTH FOR THE WINTER?DON’T FORGET YOUR FURNACE!Since the furnace uses a condensing heat exchanger, somewater will accumulate in the unit as a result of the heat trans-fer process. Therefore, once it has been operated, it cannotbe turned off and left off for an extended period of time whentemperatures will reach 32° F or lower unless winterized. Fol-low these procedures to winterize your furnace:1. Obtain propylene glycol (RV/swimming pool anti-freeze or equivalent).DANGERIf holes are found in the pipes or if any portion hasbecome disconnected, toxic fumes can escapeinto your home. DO NOT OPERATE YOUR FUR-NACE. Call your dealer for service.CAUTIONIf the furnace is installed in an unconditionedspace where the ambient temperatures may be32°F or lower, freeze protection measures must betaken.!!30 312. Turn off electrical supply to the furnace. (See Fig. 17.)3. Remove furnace access door. (See Fig. 19.)4. Remove upper inducer housing drain connection cap.(See Fig. 30.)5. Connect field-supplied 1/2-in. ID tube to upper inducerhousing drain connection.6. Insert field-supplied funnel into tube.7. Pour 1 quart of antifreeze into funnel/tube. Antifreezeshould run through inducer housing, overfill conden-sate trap, and flow into open field drain. (See Fig. 31.)8. Remove funnel and tube from inducer housing andreplace drain connection cap and clamp.9. Replace furnace access door. (See Fig. 26.)A CHECKUP CHECKLISTYour furnace represents an important investment in yourfamily’s comfort and your home’s value. To keep it per-forming properly and as a preventative to future problems,have a trained service specialist give your furnace a profes-sional check-up annually. The following checklist can beused as a guideline to proper service:• Inspect all flue gas passages, burners, heat exchangers,coupling box(es), and inducer assembly.• Inspect all combustion-air and vent piping inside structureand pipe terminations outside the structure.• Check gas pipes leading to and inside of your furnace forleaks.• Inspect and clean the blower motor and wheel.NOTE: The inducer and blower motors are pre-lubricatedand require no additional lubrication. These motors can beidentified by the absence of oil ports on each end of themotor.• Inspect and change or clean air filter(s) if necessary.• Inspect all supply- and return-air ducts for obstructions, airleaks, and insulation. Remedy any problem when necessary.CAUTIONDo not use ethylene glycol (Prestone II antifreezecoolant or equivalent). Failure of plastic compo-nents will occur.!

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