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Fabricant : Desa
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Nom Fichier : 113893-01.pdf
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26. Turn off propane supply to heater and unplug heater when not in use. 27. Use only original replacement parts. This heater must use design-specific parts. Do not substitute or use generic parts. Improper replacement parts could cause serious or fatal injuries. Hot Air Outlet (Front) Variable Heat Output Control Knob Power Cord Hose/Regulator Assembly Inlet Connector Handle Fan Guard Fuel Valve Button Figure 1 - Variable 75-125,000 Btu/Hr (Heater may vary from illustration) UNPACKING 1. Remove all packing items applied to heater for shipment. Keep plastic cover caps (attached to inlet connector and hose/regulator assembly) for storage. 2. Remove all items from carton. 3. Check all items for shipping damage. If heater is damaged, promptly inform dealer where you bought heater. 113893-01B THEORY OF OPERATION The Fuel System: The hose/regulator assembly attaches to the propane gas supply. The propane gas moves through the automatic control valve and out the nozzle. The Air System: The motor turns the fan. The fan pushes air into and around the combustion chamber. This air is heated and provides a stream of clean, hot air. Combustion Chamber Clean Heated Air Out (Front) The Ignition System: The spark transformer and spark plug lights the main burner The Safety Control System: This system causes the heater to shut down if the flame goes out. Note: Some parts are located differently on some models. Nozzle Cool Air In (Back) Fan Motor Power Cord Hose/Regulator Air For Combustion Fuel Assembly And Heating Figure 2 - Cross Section Operational View (Heater may vary from illustration) Less gas is vaporized at lower temperatures. You PROPANE SUPPLY may need two or more 100 pound (45 kg) tanks Propane gas and propane tank(s) are to be fur or one larger tank in colder weather. Your local nished by the user. propane gas dealer will help you select the proper Use this heater only with a propane vapor supply system. The minimum surrounding-air tem- withdrawal supply system. See Chapter 5 of the perature rating for each heater is -20° F (-29° C). Standard for Storage and Handling of Liquefied Petroleum Gas, ANSI/NFPA 58. Your local library INSTALLATION or fire department will have this booklet. The amount of propane gas ready for use from propane tanks varies. Two factors decide this amount: 1. The amount of propane gas in tank(s) 2. The temperature of tank(s) The chart below shows the number of 100 pound (45 kg) tanks needed to run this heater. Number of tanks Temperature Models at tank location 55 85 125 above 20° F (-7° C) 1 1 2 20°F(-7°C)to-0(-18°C) 1 2 3 below -0° F (-18° C) 2 2 (Use larger tank) WARNING: Review and understand the warnings in the SafetyInformationsection,page 2. They are needed to safely operate this heater. Follow all local codes when using this heater. WARNING:Testallgaspiping and connections for leaks after installingorservicing.Neveruse anopenflametocheckforaleak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once. 113893-01B INSTALLATION Continued 1. Provide propane supply system (see Propane Supply, page 4). 2. Connect fuel gas connector fitting on hose/regulator assembly to propane tank(s). Turn counterclockwise into threads on tank valve. Tighten firmly using wrench. IMPORTANT: Tighten regulator with vent pointing down. Pointing vent down protects regulator from weather damage. 3. Connect hose to inlet connector. Tighten firmly using a wrench. IMPORTANT: Extra hose or piping may be used if needed. Install extra hose or piping between hose/regulator assembly and propane tank. You must use the regulator supplied with heater. 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, close propane supply valve and open again slowly. 5. Check all connections for leaks. 6. Close propane supply valve. Hose VENTILATION WARNING: Follow the minimum fresh, outside air ventilation requirements. If proper fresh, outside air ventilation is not provided, carbon monoxide poisoning can occur. Provide proper fresh, outside air ventilation before running heater. Provide a fresh air opening of at least three square feet for each 100,000 Btu/Hr (105,500 k/j) rating. Provide extra fresh air if more heaters are being used. OPERATION WARNING: Review and understand the warnings in the SafetyInformationsection,page 2. They are needed to safely operate this heater. Follow all local codes when using this heater. Follow all installation, ventilation and safety Locate heater on stable and level surface. Make sure strong drafts do not blow into front Plug power cord of heater into a three-prong, grounded extension cord. Extension cord must be at least six feet (1.83 m) long, UL/CSA Extension Cord Size Requirement Up to 100 feet (30.5 m) long, use 16 AWG 101 to 200 feet (30.78 to 61 m) long, use 14 Plug extension cord into a 120 vo...