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Resumen del manual
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: WARNING ! Turn off all electrical power to furnace before performing any maintenance or service on unit. Failure to take this precaution may result in personal injury due to electrical shock. 11 CAUTION! Although special care has been taken to minimize 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 furnace air filters be checked every 3 or 4 weeks and cleaned or replaced as necessary. CAUTION! Never operate your furnace without the air filters in place. Doing so may damage the furnace blower motor. An accumulation of dust and lint on internal parts of your furnace can cause a loss of efficiency. The air filter is installed in an external filter rack which is provided as standard equipment with furnace. To inspect, clean, and/or replace air filter, follow these steps: 1. Turn off electrical supply to furnace. (See Fig. 11.) 2. Remove filter from external filter rack. 3. Inspect filter. If torn, replace it. NOTE: If filter has been replaced with an electronic air cleaner (EAC), refer to the EAC Owner’s Manual for maintenance information. 5. If filter is dirty, it must be replaced. If your furnace air filter needs to be replaced, be sure to use the same size and type of filter that was originally supplied. Use furnace filter table for filter size and filter rack flange dimensions for return air duct. FURNACE AIR FILTER TABLE FLANGE OPENING FILTERSIZE SIZE FILTER (IN.) (IN.) TYPE 15 X 23 16 X 24 or 25 X 1 Disposable 19 X 29 20 X 30 X 1 Disposable If you have replaced a disposable filter with a permanent washable filter, it may be cleaned if it is dirty. Wash filter 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. Re-install clean air filter. 7. Turn on electrical supply to furnace. 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: 6 • 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 filter if necessary. • Inspect all supply- and return-air ducts for obstructions, air leaks, and insulation. Remedy any problem when necessary. • Inspect the return-air duct connections at the furnace to ensure it is physically sound, sealed to the furnace 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 cracks, sagging, gaps, etc. around the base. • Check furnace for any obvious signs of deterioration. BEFORE YOU REQUEST A SERVICE CALL If your furnace is not operating or not performing properly, you may save the expense of a service call by checking a few things yourself before calling for service. FOR INSUFFICIENT AIRFLOW: • Check for dirty air filters. • Check for blocked return-air or supply-air grilles throughout your 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 step only if furnace fails to start. • Check thermostat for proper temperature. Is thermostat set above room temperature? • Is thermostat set on HEAT? • Check fuses and circuit breakers. Is electrical supply on? • Is valve in oil supply pipe in open position? • Is the ignition control on the burner not in lockout? The red button on top of the control must be depressed for 3 sec in order to reset the control. • Check for obstructions around the vent termination. If furnace still fails to operate, call your service representative. For your convenience, record furnace product and serial numbers on page 2. S...