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General Features <br /> NATURAL GAS MODELS ENERGY EFFICIENT OPERATION <br /> Central Heating furnace designs are certified by the S9X1 Furnace is certified by the manufacturer to leak <br /> American Gas Association for both natural and L.P. 1%(1.4%for S9131)or less of nominal air conditioning <br /> gas. Limit setting and rating data were established and CFM delivered when pressurized to.5"water column <br /> approved under standard rating conditions using with all inlets,outlets,and drains sealed. <br /> American National Standards Institute standards. AIR DELIVERY <br /> SAFE OPERATION The 9 tap constant torque ECM blower motor has <br /> The Integrated System Control is a solid state device sufficient airflow for most heating and cooling <br /> which continuously monitors for presence of flame requirements and will switch from heating to cooling <br /> when the system is in the heating mode of operation. speeds on demand from room thermostat. <br /> Dual solenoid combination gas valve and regulator SECONDARY HEAT EXCHANGER <br /> provide additional safety. <br /> QUICK HEATING The S-Series furnace has a special type 29-4CT"' <br /> stainless steel secondary heat exchanger to reclaim <br /> Durable,cycle tested, heavy gauge tubular stainless heat from flue gases which would normally be lost. <br /> steel primary heat exchanger quickly transfers heat STYLING <br /> to provide warm conditioned air to the structure. Low <br /> energy power vent blower,to increase efficiency and Heavy gauge steel and "wrap-around"cabinet <br /> provide a positive discharge of gas fumes to the construction is used in the cabinet with baked-on <br /> outside. enamel finish for strength and beauty. Every <br /> BURNERS orientation has at least two venting options.There are <br /> no knockouts on cabinet. <br /> Multiport Inshot burners will give years of quiet and FEATURES AND GENERAL OPERATION <br /> efficient service.All models can be converted to L.P. <br /> gas with LP conversion kit. The S-Series furnace utilizes a Silicon Nitride Hot <br /> INTEGRATED SYSTEM CONTROL Surface Ignition system,which eliminates the waste of <br /> a constant burning pilot.The integrated system control <br /> Exclusively designed operational program provides lights the main burners upon a demand for heat from <br /> total control of furnace limit sensors,blowers,gas the room thermostat. Complete front service access. <br /> valve,flame control and includes self diagnostics for a. Low energy power venter <br /> ease of service. S9X1 also contains dry contacts for <br /> EAC and HUM. b.Vent proving pressure switches. <br /> SM1 B040U-SUB-1 C-EN 5 <br />