Carrier 58MXA Service And Maintenance Instructions

Also see for GAS FURNACE 58MXA: User's information manual User manual Service and maintenance instructions User's information manual User's information manual

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Carrier 58MXA Service And Maintenance Instructions Manual pdf 3 page image

4. If you touch ungrounded objects (recharge your body withstatic electricity), firmly touch furnace again before touchingcontrol or wires.5. Use this procedure for installed and uninstalled (ungrounded)furnaces.6. Before removing a new control from its container, dischargeyour body’s electrostatic charge to ground to protect thecontrol from damage. If the control is to be installed in afurnace, follow items 1 through 5 before bringing the controlor yourself into contact with the furnace. Put all used ANDnew controls into containers before touching ungroundedobjects.7. An ESD service kit (available from commercial sources) mayalso be used to prevent ESD damage.CARE AND MAINTENANCEFor continuing high performance and to minimize possible furnacefailure, it is essential that maintenance be performed annually onthis equipment. Consult your local dealer for proper maintenanceand maintenance contract availability.ELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personal injuryor death.Turn off the gas and electrical supplies to the unit beforeperforming any maintenance or service. Follow the operatinginstructions on the label attached to the furnace.The minimum maintenance that should be performed on thisequipment is as follows:1. Check and clean or replace air filter each month as needed.2. Check blower motor and wheel for cleanliness annually.3. Check electrical connections for tightness and controls forproper operation each heating season. Service as necessary.4. Check for proper condensate drainage. Clean as necessary.5. Check for blockages in combustion-air and vent pipes annu-ally.6. Check burners for cleanliness annually.CUT HAZARDFailure to follow this caution may result in personal injury.Be careful of sharp metal edges, etc. Use care and wearprotective clothing, safety glasses, and gloves when removingparts.Step 1—Cleaning and/or Replacing Air FilterThe air filter arrangement may vary depending on the applicationor orientation. Filter could be located in furnace blower compart-ment or in the filter cabinet, but not in both.FIRE, CARBON MONOXIDE AND POISONINGHAZARDFailure to follow this warning could result in fire, personalinjury, or death.Never operate unit without a filter or with the blower accesspanel removed. Operating a unit without a filter or with theblower access door removed could cause damage to thefurnace blower motor. Dust and lint on internal parts offurnace can cause a loss of efficiency.NOTE: If the filter has an airflow direction arrow, the arrow mustpoint toward the blower.To clean or replace filters, proceed as follows:If filter is installed in filter cabinet adjacent to furnace:1. Turn off electrical supply to furnace.2. Remove filter cabinet door.3. Slide filter out of cabinet.4. If equipped with permanent, washable filter, clean filter byspraying cold tap water through filter in opposite direction ofairflow. Rinse filter and let dry. Oiling or coating of the filteris not recommended.5. If equipped with factory specified disposable media filter,replace only with a factory-authorized filter of the same size.6. Slide filter into cabinet.7. Replace filter cabinet door.8. Turn on electrical supply to furnace.WASHABLEFILTERFILTERSUPPORTFILTERRETAINERWASHABLE FILTER ORDISPOSABLE MEDIA FILTERIN FILTER CABINETA00232Fig. 3—Bottom Filter ArrangementFILTERRETAINERWASHABLEFILTERIN FURNACEWASHABLE FILTER ORDISPOSABLE MEDIAFILTER IN FILTER CABINETA00233Fig. 4—Filter Installed for Side Inlet3