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Resumen del manual
10.) 9 10 4. If applicable, turn off water supply to humidifier. 5. If furnace blower will be necessary for cooling system, remember to turn electric power back on when needed for air conditioning. 6. If the furnace is being shut down because of a malfunction, call your dealer as soon as possible. ALWAYS KEEP MAIN OIL VALVE TURNED OFF IF BURNER IS SHUT DOWN FOR AN EXTENDED PERIOD OF TIME. PERFORMING ROUTINE MAINTENANCE With proper maintenance and care, your furnace will operate economically and dependably. Instructions for basic maintenance follow. However, before beginning maintenance, follow these safety precautions: 11 12 WARNING ! ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death. Turn off all electrical power to furnace before performing any maintenance or service on unit. CAUTION! CUTS HAZARD Failure to follow this caution may result in minor personal injury. Although special care has been taken to mini mize sharp edges, be extremely careful when handling parts or reaching into the furnace. FILTERING OUT TROUBLE Dirty air filters will cause a loss of airflow in your duct system. When excessive loss of airflow occurs, the furnace may cycle on its safety controls. If this condition is left unattended, the furnace will eventually lock out. It is recommended that the furnace air filters be checked every 3 or 4 weeks and cleaned or replaced as necessary. CAUTION! UNIT OVERHEAT HAZARD Failure to follow this caution may result in damage to the furnace blower motor, over heat the heat exchanger and reduce the efficiency. Never operate your furnace without the air filters in place. The air filters are located in the blower compartment installed in an internal filter rack which is provided as standard equipment with furnace. (See Fig. 2.) To inspect, clean, and or replace air filters, follow these steps: 6 1. Turn off electrical supply to furnace. (See Fig. 11.) 2. Remove blower access door in rear of furnace. (See Fig. 13.) Lift door up, then out using handle on blower access door. A04125 2 1 13 3. Remove air filters from furnace. a. Remove filter resting in filter rack at an angle in front of blower first. Slide filter back to clear filter rack ends then lift up and out of filter rack and blower compartment. (See Fig. 14.) b. Remove second filter lying above blower. Slide filter toward rear of furnace and out of blower compartment. (See Fig. 15.) 1 2 14 15 4. Inspect the filter. If torn, replace it. NOTE: If filter that was shipped with furnace has been replaced with an electronic air cleaner (EAC), refer to the EAC Owner’s Manual for maintenance information. 5. The filters shipped with the furnace are disposable. If they are dirty, they must be replaced. If your furnace air filters need to be replaced, be sure to use the same size and type of filter that was originally supplied. Use the furnace filter table and compare your furnace size with the proper filter size. FURNACE AIR FILTER TABLE FURNACE FILTER CASING QUANTITY FILTER DEPTH AND SIZE TYPE (IN.) (IN.) 53-3/4 (2) 12 X 20 X 1 Disposable 60-5/32 (2) 16 X 20 X 1 Disposable If you have replaced the factory-provided disposable filters with permanent washable filters, they may be cleaned if they are dirty. Wash filters in a sink, bathtub, or outside with a garden hose. Always use cold tap water. A mild liquid detergent may be used if necessary. Spray water through filter in the opposite direction of airflow. Allow filter to dry. 6. Reinstall clean air filters by reversing procedure in item 3 above. 7. Replace blower access door. (See Fig. 16.) 8. Turn on electrical supply to furnace. 2 1 A CHECK-UP CHECKLIST Your furnace represents an important investment in your family’s comfort and your home’s value. To keep it performing properly and as a preventative to future problems, have a trained service specialist give your furnace a professional check-up annually. The following checklist can be used as a guideline to proper service: • Check flue and secondary tube passage ways including chimney — clean if necessary. • Change oil filter. • Change nozzle. • Check and adjust combustion and draft. • Inspect all vent piping inside structure for deterioration and vent terminations outside the structure for blockage. • Check oil pipes leading to and inside of your furnace for leaks. • Inspect and clean the blower motor and wheel. • Inspect and change or clean air filters if necessary. • Inspect all supply- and return-air ducts for obstructions, air leaks, and insulation. Remedy any problem when necessary. 7 • Inspect the return-air duct connections at the furnace to If problem still exists, call your dealer for service. ensure it is physically sound, sealed to the furnace IF FURNACE FAILS TO OPERATE: casing, and terminates outside the space containing the furnace. • Inspect electrical wiring, connections, and components for loose connections. • Examine the physical support of the furnace. Support should be sound with no crack...