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3. Open valve on propane tank(s) slowly. Note: If not opened slowly, excess-flow check valve on propane tank will stop gas flow. If this happens, close propane valve and open again slowly. ENGLISH Continued 7 OPERA TION Continued OPERA TION Continued 4. Plug power cord of heater into a three-prong, grounded extension cord. Extension cord must be at least six feet long. Extension cord must be UL listed. Extension Cord Size Requirement Up to 50 feet (15 m) long, use 18 AWG rated cord. 51 to 100 feet (30 m) long, use 16 AWG rated cord. 101 to 200 (61 m) feet long, use 14 AWG rated cord. 5. Plug extension cord into a 120 volt/60 hertz, three-hole, grounded outlet. The motor will start, turning the fan forcing air through the heater. 6. To light: Model 5070A Push in and hold automatic valve button. Push ignitor (Red) button. You may need to push the ignitor button 3 – 8 times until heater lights. Note: Hose may be filled with air. If so, keep automatic valve button pressed and wait 20 seconds before pressing ignitor again. When heater lights, keep automatic valve button pushed in. Release button after 30 seconds. Model 5075A Push in & hold automatic valve button. NOTE: Hose may be filled with air. If so, continue to keep automatic valve button pressed. When heater lights, keep automatic valve button pushed in. Release button after 30 seconds. 5070A751 Model Shown 7. If heater goes out, repeat step 6. 8. Adjust burner valve to desired heat level. (5075A751 Model only) 8 Continued To Stop Heater 1. Tightly close valve on propane tank(s). OPERATION Continued 2. Wait a few seconds. Heater will burn gas left in hose. 3. Unplug heater. WARNING STORAGE Disconnect heater from propane supply tank(s) before storage. 1. Store propane tank(s) in safe manner. See Chapter 5 of Standard for Storage and Handling of Liquefied Petroleum Gases, ANSI/NFPA 58. Follow all local codes. 2. Place plastic cover caps over brass fittings on inlet connection and hose/regulator assembly of heater. 3. Store heater in a dry, clean, and safe place. WARNING MAINTENANCE Never attempt to service heater while it is plugged in, connected to propane supply, operating or hot. Severe burns and electrical shock can occur. 1. Keep heater clean. Clean heater annually or as needed to remove dust and debris. If heater is dirty or dusty, clean heater with a damp cloth. 2. Inspect heater before each use. Check connections for leaks. Apply mixture of liquid soap and water to connections. Bubbles forming show a leak. Correct all leaks before using heater. 3. Inspect propane hose/regulator assembly before each use. Replace hoses that have excessive wear, abrasion, or cuts. Inspect “O” ring for damage. Replace if cut or cracked. 4. Have heater inspected yearly by a qualified service person. 5. Keep inside of heater free from combustible and foreign objects. Continued ENGLISH 9 MAINTENANCE Continued MAINTENANCE Continued 6. FAN - Clean every 500 hours of operation or as needed. A. Remove screws along each side of heater and on top of the motor guard using a Phillips screwdriver. These screws attach top and lower shells together. B. Lift top shell off. C. Lift out motor/guard assembly. IMPORTANT: Do not allow the motor/guard assembly to rest on the fan or damage may be caused to the blades. D. Clean fan using soft cloth moistened with kerosene or solvent. Dry fan thoroughly. Clean inside the shell adjacent to where the fan runs. E. Replace motor/guard assembly and top shell. 7. ELECTRODE A. Make sure gap between electrode wire and burner nozzle is .20 (0.5 cm) to .25" (0.6 cm). Access electrode from inside combustion chamber. No other maintenance is needed for electrode. Continued 10 TROUBLESHOOTING TROUBLESHOOTING WARNING Never attempt to service heater while it is plugged in, connected to propane supply, operating or hot. Severe burns and electrical shock can occur. SYMPTOM POSSIBLE CAUSE Fan does not turn No electrical power to heater when heater is plugged in. Fan blades bent Defective motor Heater will not User did not follow preparaignite. tion or operation instructions properly No spark at electrode. To test for spark, follow step 9 under Replacing Electrode, page 13. If you see spark at ignitor, have heater serviced by qualified service person. If no spark seen: A) Loose or disconnected ignitor wire B) Wrong spark gap C) Piezo ignitor loose D) Bad electrode E) Bad piezo ignitor F) Bad electronic module Heater shuts down High surrounding air tem- while running. perature causing thermal limit device to shut down heater. Restricted air flow WARNING Damaged fan Use only in areas free of high dust Excessive dust or debris in content. surrounding area ITEM HOW OFTEN Fan Clean every 500 hours of operation or as needed. Electrode Clean and regap every 500 hours of operation or replace as needed. REMEDY Check voltage to electrical outlet. If voltage is good, check heater power cord for breaks. Replace fan. See Replacing Fan, Page 13. Replace motor. See Replacing Mot...

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