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When burner lights, keep automatic control valve button pushed in. Release button after 30 seconds. This activates the automatic control system. Note:If heater fails to ignite, hose may have air in it. If so, keep automatic control valve button pressed and wait 20 seconds. Release automatic control valve button and wait 20 seconds for unburned fuel to exit heater. Repeat this step. Automatic Control Piezo Ignitor Button Valve Button Figure 8 - Automatic Control Valve Button and Piezo Ignitor Button NOTICE:If heater is unplugged or power outage occurs while heater is running, the thermal limit device will stop fuel flow. A few seconds occur before the thermal limit device activates. During this short time, flames may appear outside the heater. This is normal. The flames will go out when thermal limit device activates. To Stop Heater 1. Tightly close propane supply valve on propane tank(s). 2. Wait a few seconds. Heater will burn gas left in supply hose. 3. Unplug heater. To Restart Heater 1. Wait five minutes after stopping heater. 2. Repeat steps under To Start Heater. 104163 5 30,000 BTU/Hr PROPANE CONSTRUCTION HEATER STORAGE CAUTION: Disconnect heater from propane supply tank(s). 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. Always store propane tanks outdoors. 2. Place plastic cover caps over brass fittings on inlet connector and hose/ regulator assembly. 3. Store in dry, clean, and safe place. Do not store hose/regulator assembly inside heater combustion chamber. 4. When taking heater out of storage, always check inside of heater. Insects and small animals may place foreign objects in heater. Remove motor and other internal parts if needed to remove foreign objects (see Service Procedures, page 8). MAINTENANCE WARNINGS • Never service heater while it is plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur. • Keep heater clear and free from combustible materials, gasoline, and other flammable vapors and liquids. • Do not block the flow of combustion or ventilation air. 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. Use household cleaners on difficult spots. 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 at once. 3. Inspect hose/regulator assembly before each use. If hose is highly worn or cut, replace with hose specified by manufacturer. 4. Have heater inspected yearly by a qualified service agency. 5. Keep inside of heater free from combustible and foreign objects. Remove motor and other internal parts if needed to clean inside of heater (see Service Procedures, page 8). 6. Clean fan blades each season or as needed (see Fan, page 9). SPECIFICATIONS Output Rating (BTU/Hr) 30,000 Fuel Propane Vapor Only Fuel Consumption Gallons/Hour .33 Pounds/Hour 1.4 Supply Pressure To Regulator Minimum (for purposes 20 psi of input adjustment) Maximum Tank Pressure or 200 psi Regulator Outlet Pressure 10 PSI Manifold Pressure 10.1 PSI Hot Air Output (CFM Approx) 175 Motor 3045 RPM Electric Input 120 volt/60 hertz Amperage .6 Ignition Manual, Piezo Weight (Pounds) Heater 9 Shipping 9.5 Size - L x W x H (Inches) Heater 18.5 x 7.7 x 12.8 Temperature Range for Heater Operation -20° F to 85° F* * When running heater in temperatures above 85° F, high internal temperatures may cause thermal limit device to shut down heater. 6 104163 OWNER’S MANUAL TROUBLESHOOTING WARNING: Never service heater while it is plugged in, connected Note: For additional help, visit DESA to propane supply, operating, or hot. Severe burns and electrical International’s Technical Service web shock can occur. site at OBSERVED FAULT POSSIBLE CAUSE REMEDY Fan does not turn when heater is plugged in. 1. No electrical power to heater 1. Check voltage to electrical outlet. If voltage is good, check heater power cord for breaks 2. Fan hitting inside of heater shell 2. Adjust motor/fan guard to keep fan from hitting inside of heater shell. Bend fan guard if necessary 3. Fan blades bent 3. Replace fan. See Fan, page 9 4. Defective motor 4. Replace motor. See Motor, page 8 Heater will not ignite. 1. User did not follow installation or operation instructions properly 2. No spark at ignitor. To test for spark, follow step 8 under Ignitor, page 10. 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 ignitor electrode 1. Repeat installation and operation instructions. See Installation, page 4 and Operation, page 5 2. A) Check ignitor wire. Tighten or reattach loose ignitor wire. See Figure 14, page 10 for ignitor wire location B) Set gap betwee...
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