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Anleitung Zusammenfassung
3. Make sure unit is turned off by slightly depressing and turning control knob fully clockwise to OFF. 4. Open propane supply valve on propane tank(s) slowly. Note: If not opened slowly, excess-flow check valve on propane tank may stop gas flow. If this happens, you may hear a click inside the regulator assembly, this is the check valve closing. To reset the excess flow check valve, close propane supply valve and open again slowly. 5. Slightly depress and turn control knob counterclockwise to the LOW position (see Figure 4). 6. With the control knob pushed all the way in, press and release the piezo ignitor button. Keep pressing piezo ignitor button until the burner lights. Hold control knob down for a maximum of 15 seconds while attempting ignition. If heater does not ignite, release control knob and wait 3 minutes before attempting reignition. 7. After ignition, hold control knob down for about 30 seconds. This activates the automatic control system. 8. When burner remains lit, set heater at the desired heat level by slightly depressing the control knob and turning it counterclockwise to the MED or HIGH settings (see Figure 4). 9. If burner goes out, turn off gas. Slightly depress and turn control knob fully clockwise to OFF. Check fuel supply. If adequate fuel is available, restart heater beginning at step #1. LO OFF HI MED LO OFF HIMED LO OFF HI MED Off Position Low Position Figure 4 - Control Knob and Piezo Ignitor Button Locations Piezo Ignitor Button Control KnobContinue Turning Knob Counterclockwise to MED and HI TO STOP HEATER 1. Tightly close propane supply valve on propane tank(s). Allow heater to burn remaining fuel in hose. 2. Shut off burner. Do this by pushing in the control knob and turning clockwise to the OFF position. TO RESTART HEATER 1. Wait five minutes after stopping heater. 2. Restart heater by following steps under To Start Heater. 4 103385 OWNER’S MANUAL OPERATION Continued FLAME PATTERNS Figure 5 shows a correct flame pattern. The burner flame is mostly blue with a slight yellow coloring on the ends. Figure 6 shows an incorrect flame pattern. The flame is mostly yellow. The incorrect flame pattern results from low gas pressure or from flashback. CAUTION: Running heater below specified input rating may cause flashback. During flashback, the burner flame is mostly yellow. The flame will burn inside the burner tube, causing a roaring noise. If flashback occurs, turn heater off. After burner tube cools, restart the heater. Figure 5 - Correct Flame Pattern at High PositionLO OFF HI MED Slight Yellow Coloring on Flame Ends Blue Flame Burner Tube Flame Inside Burner Tube (makes roaring noise) Yellow Flame Blue Flame Figure 6 - Incorrect Flame Pattern during Flashback STORAGE CAUTION: Disconnect heater from propane supply tank(s). 1. Store propane tank(s) in safe manner. Refer to Chapter 5 of Standard for Storage and Handling of Liquefied Petroleum Gases, ANSI/NFPA 58 and/or CAN/CGA B149.2. 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 a dry, clean, and safe place. MAINTENANCE WARNING: Never attempt to service heater while it is connected to propane supply, operating, or hot. Severe burns can occur. 1. Keep heater clean. 2. Inspect heater before each use. Check connections for leaks. Apply mixture of liquid soap and water to connections. Bubbles forming show a leak that must be corrected. Correct all leaks at once. 3. Inspect hose/regulator assembly before each use. If hose is highly worn or cut, replace. 4. Have heater inspected yearly by a qualified service person. SPECIFICATIONS Rating (Btu/Hr) High 80,000 Low 40,000 Fuel Propane Vapor Only Fuel Consumption Gallons/Hour 0.87 / 0.44 Pounds/Hour 3.71 / 1.86 Supply Pressure (To Regulator) Maximum 200 psi Minimum, for input adjustment 20 psi Manifold Pressure (inches of water column) High 18 Low 23.8 Ignitor Gap 0.195" Weight (Pounds) 13 Shipping Weight (Pounds) 17 Size - L x W x H (Inches) 20 x 15 x 16 Minimum Temperature -20.F (-29.C) Surrounding Air Temperature 103385 5 80,000 BTU/HR PROPANE CONSTRUCTION HEATER TROUBLESHOOTING WARNING: Never attempt to service heater while it is connected Note: For additional help, call DESA to propane supply, operating, or hot. Severe burns can occur. International’s Technical Service Department at 1-800-323-5190 or visit our website at SYMPTOM POSSIBLE CAUSE REMEDY Burner fails to light 1. Propane supply valve closed on propane 1. Open propane supply valve slowly tank(s) 2. Excess flow check valve closed 2. Close propane supply valve on propane tank and reopen slowly 3. Blockage in burner orifice 3. Replace burner orifice 4. Piezo ignition system not sparking 4. Check to assure ignitor electrode gap is .195" Check wire lead for damage. Replace piezo ignitor and/or ignitor electrode as necessary Burner lights but goes out when automatic 1. Not enough warm up time...