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Фрагмент инструкции
NOTE: Do not use this furnace if any part has been under water. Immediately call a qualified service technician to inspect the furnace and to replace any part of the control system and any gas control which has been under water. NOTE: The qualified installer or agency must use only factory- authorized re-placement parts, kits, and accessories when modifying or repairing this product. This furnace contains safety devices which must be manually reset. If the fur Manual-Reset Auxiliary Limit Switch (When Used) Blower and Blower Motor Relief Box Gas Valve Control Knob or Electric Switch (On/Off) Gas Valve Gas Burner Rating Plate Blower Door Safety Switch Blocked Vent Safeguard Tube and Switch Gas Manifold Manual Reset Limit Switch (2) Hot Surface Ignitor Flame Sensor nace is left unattended for an extended period of time, have it checked periodically for proper operation. This precaution will prevent problems associated with no heat, such as frozen water pipes, etc. See “Before You Request a Service Call’’ section in this manual. SAFETY CONSIDERATIONS Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified personnel should install, repair, or service heating equipment. Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained service personnel. Observe safety precautions in this manual, on tags, and on labels attached to the furnace and other safety precautions that may apply. Recognize safety information: This is the safety-alert symbol ! . When you see this symbol on the furnace and in instructions or manuals, be alert to the potential for personal injury. Understand the signal words—DANGER, WARNING, and CAUTION. These words are used with the 3 safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage. STARTING YOUR FURNACE Instead of a continuously burning pilot flame, your furnace uses an automatic hot surface ignition system to light the burners each time the thermostat signals the furnace to start. Follow these important safeguards: • Never attempt to manually light the burners with a match or other source of flame. 6 • Read and follow the operating instructions on the furnace, especially the item that reads as follows: Wait 5 minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B’’ in the safety information above on this 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 do not light when they should, refer to the shutdown procedures on the furnace, or in the next section, to turn off your system, then call your dealer as soon as possible. WARNING ! Should overheating occur, or the gas valve fail to shut off the gas supply, turn off the manual gas valve (See Fig. 8) to the furnace BEFORE turning off the electrical supply. A failure to follow this warning could result in a fire or explosion, and personal injury or death. • CHECK AIR FILTER: Before attempting to start your furnace, be sure the furnace filter is clean and in place. (See the maintenance section of this manual.) Then proceed as follows: ® 7 STEPS FOR STARTING YOUR FURNACE 1. Set your room thermostat to the lowest temperature setting. (See Fig. 7.) 2. Close the external manual gas valve. (See Fig. 8.) 3. Turn OFF the electrical supply to your furnace. (See Fig. 9.) CLOSE 8 9 10 4. Remove the furnace access door(s). a. Downflow/Horizontal—remove blower door after removing 2 screws first, then remove the control door. (See Fig. 10.) b. Upflow—remove control door. (See Fig. 11.) 5. The gas valve will have EITHER a control knob or control switch to turn off and on. Turn the control knob or switch on the gas valve to the OFF position and wait 5 minutes. (See Fig. 12 or 13.) 6. After waiting 5 minutes, turn the control knob or switch on the gas valve to the ON position. (See Fig. 14 or 15.) 7. Replace the access door(s). See Fig. 16 for upflow and Fig. 17 for downflow. Replace control door first on downflow furnaces. Then replace blower door (secure with 2 screws). 8. Turn ON the electrical supply to the furnace. (See Fig. 18.) 9. Open the external manual gas valve. (See Fig. 19.) 10. Set the room thermostat to a temperature slightly above the room temperature. This will automatically signal the furnace to start. The inducer motor will start, and the hot surface ignitor will energize. When hot, the ignitor will have an orange glow. FFO 4 OFF2 3 1M P ON OFF C ONOFF OR OFF2 3 1M P ON OFF C ONOFF OR ON 13 14 OFF2 3 1M P ON OFF C ONOFF OR 15 16 17 OPEN 18 19 11. After 15 to 70 sec, the gas valve permits...
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