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Coleman TM9Y Gas Furnaces Maintenance

The Coleman TM9Y Gas Furnaces Maintenance ensures that the components of your furnace perform at high quality. Avoid hazards by following the precautions mentioned.
MaintainX
04/26/2021

Coleman TM9Y Gas Furnaces Maintenance

The Coleman TM9Y Gas Furnaces Maintenance ensures that the components of your furnace perform at high quality. Avoid hazards by following the precautions mentioned.

    WARNING: Before proceeding, be sure the area is well ventilated. Turn the thermostat OFF. If the blower is running, wait until it stops automatically. Turn OFF the gas and electrical power supplies to the furnace. Check all metal parts and surfaces to be

    EXTERNAL AIR FILTERS

    Filters used with this furnace must be installed external to the furnace casing. DO NOT attempt to install filters inside the furnace cabinet.

    Some installations may have the air filter in a rack attached to the casing of the furnace or placed in the return air duct. If the filter location or replacement process is not obvious, contact your installer or service technician for assistance.

    Every time the external air filters are changed the following items should be visually inspected:

    If during the inspection of your furnace, you find any of the following conditions:

    How to Clean your Filter

    BLOWER CARE

    NOTE: The spring-loaded safety cut-off switch, mounted at the blower deck will automatically cut off the electrical power supply to the furnace when the furnace blower access panel/door is removed. As a safety precaution, all electrical power and the gas

    WARNING: Make sure you DO NOT move the clip on weight on the indoor fan wheel when cleaning the wheel. This weight is used to balance the wheel. Moving the weight will cause the fan wheel to vibrate.

    MOTOR LUBRICATION

    SERVICE INFORMATION TROUBLESHOOTING PROBLEMS

    If your furnace is not operating correctly, the following visual checks should be made before contacting your local contractor, dealer, or service provider.

    FURNACE CONTROL DIAGNOSTICS

    SLOW GREEN FLASH:

    DOUBLE AMBER FLASH

    SLOW AMBER FLASH

    RAPID RED FLASHES:

    FURNACE MAINTENANCE - DEALER/CONTRACTOR

    The furnace should be cleaned and adjusted by a certified dealer or qualified service contractor once a year or before the start of every heating season. The following items must be cleaned and serviced or replaced if there are signs of deterioration.

    REPLACEMENT PARTS LIST

    WIRING DIAGRAM

Source: Coleman

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