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Фрагмент инструкции
! WARNING For proper and safe operation the furnace needs air for combustion and ventilation. Do not block or obstruct the openings on the furnace, air openings to the area in which the furnace is installed, and the space around the furnace. Failure to follow this warning could result in fire, personal injury/ death or property damage. ! BEFORE STARTING YOUR FURNACE Examine the furnace installation to determine that: 1. All flue gas carrying areas external to the furnace (i.e. chimney, vent connector) are clear and free of obstructions. 2. The vent connector is in place, slopes upward and is physically sound without holes or excessive corrosion. 3. The return-air duct connection(s) is physically sound, is sealed to the furnace casing, and terminates outside the space containing the furnace. 4. The physical support of the furnace is sound without sagging cracks, gaps, etc. around the base. 5. There are no obvious signs of deterioration of the furnace. 6. The pilot and burner flames are in good adjustment (by comparison with pictorial sketches or drawings of the main burner flame and, if applicable, the pilot burner flame). STARTING AND SHUTTING DOWN YOUR FURNACE Instead of a continuously burning pilot flame which wastes valuable energy, your furnace uses an automatic, hot surface ignition system to light the burners each time the thermostat starts your furnace. Follow these important safeguards: • Never attempt to manually light the burners with a match or other source of flame. • Read and follow the operating instructions on inside of main furnace door, especially the item that reads as follows: Wait 5 minutes to clear out any gas. Then smell for gas, including near 4 5 the floor. If you smell gas, STOP! Follow “B” in the safety information above on this furnace label. If you don’t smell gas, go to the next step. • If a suspected malfunction occurs with your gas control system, such as the burners not lighting when they should, refer to the shutdown procedures on inside of main furnace door, or in the “Shutting Down Your Furnace” section and call your dealer as soon as possible. CHECK AIR FILTER: Before attempting to start your furnace, be sure the furnace air filter is clean and in place. See “Performing Routine Maintenance” section in this manual. Then proceed as follows: STEPS FOR STARTING YOUR FURNACE 1. Set your room thermostat to the lowest temperature setting. (See Fig. 8.) a 8 9 WARNING If overheating occurs or the gas valve fails to shut off the gas supply, turn off the external manual gas valve to the furnace BEFORE turning off the electrical supply. (See Fig. 9.) Failure to follow this warning could result in a fire or explosion, and personal injury/ death or property damage. ! ® CLOSE 10 2. Close the external manual gas valve. (See Fig. 9.) 3. Turn OFF electrical supply to the furnace. (See Fig. 10.) 4. Remove main furnace door. (See Fig. 11.) 5. The gas valve will have a control switch to turn OFF or ON. Turn control switch on the gas control to the OFF position and wait 5 minutes. (See Fig. 12 or 13.) Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” on furnace label. If you don’t smell gas, go to next step. 6. After waiting 5 minutes, turn control switch on the gas valve to the ON position. (See Fig. 14 or 15.) 7. Replace main furnace door. (See Fig. 16.) 11 12 For 352MAV and 355MAV 13 14 15 8. Turn ON electrical supply to the furnace and wait 1 minute. (See Fig. 17.) 9. Open the external manual gas valve. (See Fig. 18.) 10. Set room thermostat to a temperature slightly above room temperature. This will automatically signal the furnace to start. 11. When the furnace receives the start signal, the inducer is started. When the pressure switch senses that there is sufficient combustion air, the hot surface igniter is energized. After the hot surface igniter is heated for 17 seconds, the gas valve permits gas to flow to the main burners. After ignition and a time delay of about 60 sec, the furnace blower will start. Variablecapacity furnaces start at low speed until the control makes the ON OFF OR For 340MAV and 350MAV or For 352MAV and 355MAV ON OFF For 340MAV and 350MAV or necessary adjustments to operate the blower at either the low- or high-heat speed. 16 17 OPEN 18 NOTE: If the burners fail to ignite after 4 attempts, the furnace control system will lock out. If lockout occurs, main burners fail to light, or blower does not come on, shut down the furnace and call your dealer for service. 12. Set your thermostat to the temperature that satisfies your comfort requirements. SUGGESTION: Setting the thermostat back a few degrees and compensating for the difference with warmer clothing can make a big difference in your fuel consumption. The few degrees at the top of your thermostat “comfort level” are the most costly degrees to obtain. When room temperature drops below the temperature selected on the thermostat, the furnace will be switched on automatically. When roo...
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Электрообогреватели - 355MAV (267.51 kb)