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Resumen del manual
MAINTENANCE AND SERVICE A: Routine Maintenance By Home Owner Other than remembering to arrange for the annual professional servicing of the furnace by the service or installation contractor, the most important routine service performed by the homeowner is to maintain the air filter or filters. A dirty filter can cause the furnace to over-heat, fail to maintain indoor temperature during cold weather, increase fuel consumption and cause component failure. The furnace filter(s) should be inspected, cleaned or replaced monthly. The furnace is factory equipped with a semipermanent type filter. If the filter is damaged, replace with filters of the same size and type. During the routine service, inspect the general condition of the furnace watching for signs of oil leaks in the vicinity of the oil burner, soot forming on any external part of the furnace, soot forming around the joints in the vent pipe, etc. If any of these conditions are present, please advice your service or installation contractor. B: Annual Service By Contractor THE COMBUSTION CHAMBER (FIREPOT) IS FRAGILE. USE CARE WHEN INSPECTING AND CLEANING THIS AREA. The heat exchanger should be inspected periodically and cleaned if necessary. If cleaning is necessary, SHUT OFF POWER TO THE FURNACE and remove the burner. Using a stiff brush with a wire handle, brush off scale and soot from inside the drum and flue pipe. To clean the radiator, remove the round cover or covers on the inner radiator access pipes located on the front panel between the oil burner and the flue pipe. Rear breech models have a single front cleanout and front breech models have two front cleanouts. A wire brush can be used to loosen dirt and debris on the inside surfaces of the radiator. Clean out all accumulated dirt, soot and debris with a wire handled brush and an industrial vacuum cleaner. Replace the clean-out covers. Most circulating fan motors are permanently lubricated by the motor manufacturer. These motors will have no oil ports. If the blower motor does contain oil ports, under normal operating conditions it will not require oiling for the first two years. Oil sparingly; a few drops in each oil port with SAE 20 non- detergent oil. Oiling is most easily done with a "tele-spout" oiler. This oiler has a long flexible plastic spout. DO NOT OVER-LUBRICATE. Excess oil may result in premature electric motor failure. Inspect the blower fan. Clean it if necessary. Oil Burner Maintenance: Follow the instructions of the oil burner manufacturer. (See oil burner manufacturer's instructions supplied with furnace). The oil burner nozzle should be replaced annually. We recommend that the oil filter be changed on an annual basis. The venting system should be cleaned and inspected for signs of deterioration. Replace pitted or perforated vent pipe and fittings. The barometric draft regulator should open and close freely. All electrical connections should be checked to ensure tight connections. Safety controls such as the high limit controls should be tested for functionality. The fan control functions 30318 R4 9/9/2005 11 should be checked to ensure that all fan speeds are operating properly. OPERATING INSTRUCTIONS Before Lighting Open all supply and return air registers and grilles. Open all valves in oil pipes. Turn on electric power supply To Light Unit Set the thermostat above room temperature to call for heat. The burner should start. NOTE: It may be necessary to press the RESET button on the primary combustion control relay. There will be a fan on time delay before the circulating fan is energized. The Honeywell ST9103 has a fixed fan delay on time of 30 seconds after the burner ignites. The United Technologies 1158120 has an adjustable fan on time that is set by selecting the dipswitch combination displayed in Chart 1. This fan on delay can be set at 30, 60, 90 or 120 seconds. Set the thermostat below room temperature. The oil burner should stop. The air circulation blower will continue to run until the time off setting selected on the electronic fan timer control times out. The Honeywell ST9103 has an adjustable fan off time of 60, 90, 120 and 150 seconds that is set by selecting a dipswitch combination on the control board. Similarly the United Technologies 1158-120 has an adjustable fan off time of 2, 3, 4 or 6 minutes The fan timer control adjustments may be altered if the air at the room registers is uncomfortably high upon blower start up or shutdown. The necessary adjustments to the fan control settings should be determined by measuring the temperature of the air in the supply air take-off, or within the first few inches of the supply air trunk. The side mid point of the transition is usually ideal, providing that the thermometer probe is beyond the "line of sight" wherein false readings from radiant heat could be observed. The system temperature rise, the difference in temperature between the supply air and return air, should be within the indicated range on the appliance rat...
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