Instruction/ maintenance manual of the product 107434-01C.pdf Desa Tech
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S39NT 20,000 to 39,000 Btu/Hr Thermostaticall y- Contr olled O F F P I L O T O N H I L O Save this manual for future reference. VENT -FREE NA TURAL GAS FREEST ANDING PEDEST AL STOVE SYSTEM OWNER’S OPERATION AND INSTALLATION MANUAL Save this manual for future reference.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 2 DANGER: Carbon monoxide poisoning may lead to death! SAFETY INFORMA TION WARNING ICON G 001 WARNINGS IMPORTANT: Read this owner ’ s manual carefully and completely before trying to assemble, operate, or ser- vice this heater.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 3 3 1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. 2.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 4 Today’s homes are built more energy efficient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 5 5 AIR FOR COMBUSTION AND VENTILA TION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 6 AIR FOR COMBUSTION AND VENTILA TION Continued Figure 3 - Ventilation Air from Outdoors Figure 2 -.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 7 7 IMPORTANT: Vent-free heaters add moisture to the air. Although this is beneficial, installing heater in rooms without enough venti- lation air may cause mildew to form from too much moisture.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 8 WARNING: Never use an open flame to check for a leak. Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak. Correct all leaks at once.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 9 9 INST ALLA TION Continued Test Pressures Equal To or Less Than 1/2 PSIG (3.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 10 Black Powercord Wire Figure 13 - Removing Wires from Blower Screw Green Ground Wire White Powerc.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 11 11 13. Using the four screws previously removed, mount blower as- sembly to stove by reattaching blower brackets to rear panel (see Figure 14, page 10).
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 12 INST ALLA TION Continued Figure 18 - Attaching Wire Harness to Thermostatic Switch and Cover Assembly Thermostatic Switch Mounted to Cover Wire Harness Lower Hole Figure 17 - Removing Cover Plate Cover Plate Firebox Back Panel Screws 5.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 13 13 1. STOP! Read the safety inf ormation, above. 2. Make sur e equipment shutoff valve is fully open. 3. T urn contr ol knob clockwise Clockwise to the OFF position.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 14 Figure 22 - Pilot 6. With contr ol knob pressed in, pr ess and release ignitor b ut- ton. This will light pilot. The pilot is attached to the front bur ner .
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 15 15 BURNER FLAME PATTERN Figure 25 shows a correct burner flame pattern.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 16 CABINET Air Passageways • Use a vacuum cleaner or pressurized air to clean. Exterior • Use a soft cloth dampened with a mild soap and water mixture.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 17 17 TROUBLESHOOTING WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 18 TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed .
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 19 19 WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 20 ILLUSTRA TED P ARTS BREAKDOWN S39NT 7 6 9 4 10 3 2 1 14 5 12 11 10 8 13 ILLUSTRATED PARTS BREAKD.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 21 21 P ARTS LIST S39NT This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 24 of this manual.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 22 ILLUSTRA TED PA R T S BREAKDOWN S39NT 1 10 4 13 3 2 14 7 16 15 11 18 20 5 6 9 8 17 12 23 21 19 1.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 23 23 P ARTS LIST S39NT This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 24 of this manual.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 24 REPLACEMENT P ARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. PARTS UNDER WARRANTY Contact authorized dealers of this product.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 25 25 • ACCESSORIES 1. Where will the product be used? ❍ Living/Family Room ❍ Office/W arehouse ❍ Utility Shed/Outbuilding ❍ Garage ❍ Bedroom ❍ Bathroom ❍ Other 2.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 26 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 TM Postage Required.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 27 27 P ARTS CENTRALS These Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by providing original replacement parts and accessories.
107434-01C For more information, visit www.desatech.com For more information, visit www.desatech.com 28 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.
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