Carrier 58MSA Instruction Manual

Also see for 58MSA Series: Service and maintenance instructions User manual Installation, start-up, and operating instructions Installation, start-up, and operating instructions Installation, start-up, and operating instructions

Contents

Carrier 58MSA Instruction Manual Manual pdf 9 page image

93. Inspect the combustion-air and vent PVC pipes for sags,holes, cracks, or disconnections. Horizontal portions ofvent pipe must slope downward toward furnace.26 274. Reinstall burner enclosure front.5. If your furnace is free of the above conditions, replacemain furnace door and turn on electrical and gas suppliesto the furnace. (See Fig. 12, 13, and 14.)6. Start the furnace and observe its operation. Watch theburner flames to see if they are clear blue, almost transpar-ent. (See Fig. 28.) If you observe a suspected malfunction,or the burner flames are not clear blue, call your dealer28HEADING SOUTH FOR THE WINTER?DON’T FORGET YOUR FURNACE!Since the furnace uses a condensing heat exchanger, some waterwill accumulate in the unit as a result of the heat transfer process.Therefore, once it has been operated, it cannot be turned off andleft off for an extended period of time when temperatures willreach 32°F or lower unless winterized. Follow these proceduresto winterize your furnace:1. Obtain propylene glycol (RV/swimming pool antifreezeor equivalent).2. Turn off electrical supply to the furnace. (See Fig. 16.)3. Remove main furnace door. (See Fig. 18.)4. Remove upper right inducer housing drain connectioncap. (See Fig. 29.)295. 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 condensatetrap, and flow into open field drain. (See Fig. 30.)8. Remove funnel and tube from inducer housing andreplace drain connection cap and clamp.9. Replace main furnace door. (See Fig. 25.)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:CAUTIONIf dirt, rust, soot, or scale accumulations are found,call your dealer. Do not operate your furnace. Failureto follow this caution would result in minor propertyor product damage.CAUTIONIf the furnace is installed in an unconditioned spacewhere the ambient temperatures may be 32°F orlower, freeze protection measures must be taken toprevent minor property or product damage.!need artUPFLOW DOWNFLOW!CAUTIONDo not use ethylene glycol (Prestone II antifreezecoolant or equivalent). Failure of plastic compo-nents will occur.!

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