Carrier 58MCB User's Information Manual

Also see for 58MCB: Service and maintenance instructions Owner's manual Service and maintenance instruction Nstallation, start-up, and operating instructions Installation, start-up, and operating instructions

Contents

Carrier 58MCB User's Information Manual Manual pdf 11 page image

116. Insert field-supplied funnel into tube.7. Pour 1 quart of antifreeze into funnel/tube. Antifreezeshould run through inducer housing, overfill condensatetrap, and flow into open field drain. (See Fig. 43.)8. Remove funnel and tube from inducer housing andreplace drain connection cap and clamp.9. Replace main furnace door. (See Fig. 36.)10. Propylene glycol need not be removed before restartingfurnace.A CHECK-UP CHECKLISTYour furnace represents an important investment in your fami-ly’s comfort and your home’s value. To keep it performingproperly and to prevent future problems, have a trained servicespecialist give your furnace a professional check-up annually.The following checklist can be used as a guideline to properservice:• Inspect all flue gas passages, burners, heat exchangers, cou-pling box(es), and inducer assembly.• Inspect all combustion-air and vent piping inside structureand vent pipe termination outside the structure.• Check gas pipes leading to and inside of your furnace for leaks.• Inspect and clean the blower motor and wheel.NOTE: The inducer and blower motors are pre-lubricated andrequire no additional lubrication. These motors can be identifiedby the absence of oil ports on each end of the motor.• Inspect and change or clean air filters(s) if necessary.• Inspect all supply- and return-air ducts for obstructions, airleaks, and insulation. Remedy any problem when necessary.• Inspect the return-air duct connections(s) at the furnace to en-sure it is physically sound, sealed to the furnace casing, and ter-minates outside the space containing the furnace.• Inspect electrical wiring, connections, and components forloose connections.• Perform an operational checkout to determine whether yourfurnace is working properly and if it requires adjustments.• Inspect all condensate drain tubes and condensate trap assem-bly for leaks. The condensate removal system should be cleanedannually by a qualified service agency. Refer to the Service andMaintenance Instructions for further information.• Examine the physical support of the furnace. Support shouldbe sound with not cracks, sagging, gaps, etc. around the base.• Check furnace for any obvious signs of deterioration.BEFORE YOU REQUEST A SERVICECALLIf your furnace is not operating or not performing properly,you may save the expense of a service call by checking a fewthings yourself before calling for service.FOR INSUFFICIENT AIRFLOW:• Check for dirty air filter(s).• Check for blocked return-air or supply-air grilles throughoutyour home. Ensure they are open and unobstructed.If problem still exists, call your dealer for service.IF FURNACE FAILS TO OPERATE:Follow this checklist step by step, advancing to the next steponly if furnace fails to start.• Check thermostat for proper temperature. Is thermostat setabove room temperature?• Is thermostat set on HEAT?• Check fuses and circuit breakers. Is electrical supply on?• Is manual shutoff valve in gas supply pipe in open position?(Follow start-up procedures if you open gas valve.)NOTE: Turn off electrical supply before continuing withchecklist.• Is control switch on gas valve in ON position? (Follow start-up procedures if you must reset switch to ON position.)• Check manual reset flame rollout switch located on the burnerbox. (See Fig. 3 or 4.) If furnace has experienced high temper-ature conditions, this switch will shut off the furnace. Reset itby pushing the button on the switch. If it trips again, shut downthe furnace and call for service. See “Shutting Down Your Fur-nace” section in this manual.• Check for obstructions around the vent termination outsidethe structure.If the furnace still fails to operate, call your service representa-tive.For your convenience, record the furnace product and serialnumbers on back page. Should you ever require service, youwill have ready access to the information needed by your ser-vice representative.This furnace has a light-emitting-diode (LED) status code dis-play to aid the installer, service technician, or homeowner whileinstalling or servicing the unit. The LED code can be seen byremoving the main furnace door and viewing the LED throughthe view port in the blower access panel.

/ 12

Related manuals for Carrier 58MCB