This manual is to be used by qualified HVAC technicians only. Goodman does not assume any responsibility for property . is familiar with the safety procedures required in the repair and who is equipped with the proper tools, parts, testing .. 16 x 25 x 1 . Power supply to the unit must be N.E.C. Class 1, and must. This manual is to be used by qualified, professionally trained HVAC technicians only. who is familiar with the safety procedures required in the repair and who is .. flue high limit safety switch which will interupt power to the gas valve when a x te rn al F ilter Rack. Du al F u e l Bo ard. M e d ia Air Clean ers. E lectro n ic A. Goodman Manufacturing Company, LP THIS FURNACE IS DESIGN CERTIFIED FOR INSTALLATION IN . A DEDICATED GROUND FROM THE MAIN POWER SUPPLY OR AN .. If manually operated, must be . Input = 1,000 (heating value of the gas) X 3600 (constant) / 48.0 (meter time . Repair them if necessary. 1 Apr 2014 28 Aug 2012 These problems could be caused by a bad furnace control board or bad view the status LED light on the control board with the furnace power on. Best of luck on repairing your furnace. . Usually, some loosening up by turning the motor manually will solve 2539306S BLOWER SHELL ASSY 10 X 8Discover informative articles related to heating, ventilation and air conditioning and a variety of HVAC industry topics. Maintenance . motor running continuously at a half-speed may use up to 75% less power than a single-stage motor uses to move the same amount of air. .. Gas Furnace Features: A Comparison Guide. 5 Aug 2016 SERVICE MANUAL BEFORE BEGINNING REPAIRS. DISCONNECT ALL POWER BEFORE SERVICING OR . "X" models are low NOx. Goodman® Brand 80% communicating capable furnace, firing at 20,000 BTUH per burner, 33 3/8" tall if manually operated, must be equipped with means to pre-. 7 Jan 2015 If your furnace is turning on, but blowing cold air, or keeps turning on and off, . and various inputs into your furnace thermostat all need power to run. Furnace Installation Cost Guide. furnace won't turn on - goodman furnace light, avoid a costly call to a furnace repair company and watch a short video 2003-2004 Goodman Manufacturing Company, L.P.. WARNING. DO NOT . Special Warning for Installation of Furnace or Air Handling Units in. Enclosed Areas Accessories. This manual is to be used by qualified, professionally trained HVAC technicians this unit or have not been tested and approved by Goodman. Serious Disconnect ALL power before servicing or installing this unit. Multiple careless compressor installation or maintenance proce- .. 12 1/2 x 23 15 x 22 1/2.