LOCATION OF DATA PLATES- ContinuedDIFFERENCES BETWEEN MODELSThe heater models make heat by burning a mixture of fuel and air, but different methods are used to deliverthese to the combustion chambers. The following describes those differences:HUPP MF510B, MF510C, MF60A-24V, MF60B-24VThe MF510B and MF510C use a single rubber hose to deliver fuel to the combustion chamber. Combus-tion and ventilation air for these heaters enter two separate inlets. The MF510B uses a 25-volt igniter withan electromechanical voltage regulator. The MF510C uses an 18-volt igniter with a transistorized powerregulator. The MF60A-24V and MF60B-24V use a 19 to 30-volt igniter with a transistorized power regula-tor. The MF510C uses an 18-volt igniter with a transistorized power regulator.STEWART-WARNER 10560C24, 10560G.The 10560C24 and 10560G uses a single tube to deliver fuel to the combustion chamber. Fuel flowthrough the tube is doubled to increase heat output. Fuel flow begins as soon as the heater is turned on andcontinues until it is turned off. The 10560C24 has a single inlet for combustion and ventilation air. The10560G uses a pulsed fuel metering valve controlled by a solid state pulse generator.STEWART-WARNER 10560MThe 10560M is identical to the 10560C24 except that two inlets deliver air for combustion and ventilation.STEWART-WARNER 10560M24B1 , 10560GThe 10560M24B1 and 10560G are identical to the 10560M except that they use a pulsed fuel meteringvalve controlled by a solid state pulse generator.ESPAR V7SThe V7S has a single flexible hose for fuel delivery to the combustion chamber. Fuel flow through this hoseis pulsed, and the pulse rate can be varied to adjust the heat output. Air is delivered to the V7S for combus-tion and ventilation through a common inlet.1-9TM 9-2540-205-24&P
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