GE GHDS830EDWS Technical Service Manual

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GE GHDS830EDWS Technical Service Manual Manual pdf 31 page image

– 31 –Inlet Safety ThermostatOn electric models, the inlet safety thermostat islocated near the back of the heater housing, on theleft side. On gas models, the inlet safety thermostatis located on the top right side of the inlet duct,below the high limit thermostat. The thermostatmonitors incoming air temperature.If the thermostat reaches a temperature beyond itsmaximum temperature rating, it will trip and disablepower to the heating elements (electric model) orburner assembly (gas model).The inlet safety thermostat opens at 260°F (127°C)and will automatically reset at 230°F (110°C).To access the inlet safety thermostat, it is necessaryto remove the drum (electric model). On gas models,remove the rear bulkhead for front service or backpanel for rear service.The thermostat is attached to the heater housing orinlet duct with a Phillips-head screw and a tab. Twowires are connected to the thermostat.Inlet SafetyThermostatElectric ModelGas ModelInlet Safety ThermostatGas ModelTo remove the rear bulkhead:1. See Electric Model, To remove the rearbulkhead, and follow steps 1 through 5.2. Remove the gas valve. (See Gas Valve.)3. Remove the two 1/4-in. hex-head screws andthe combustion tube from the burner pedestal.Combustion TubeBurner Pedestal4. Lift and maneuver the rear bulkhead off themiddle screws and combustion tube.5. To access the inlet thermistor, high limit andsafety thermostats, water tube, spray nozzlehousing, and wire harnesses, tilt the top of therear bulkhead inward from the dryer frame.6. To access the rear drum roller shafts, tilt thebottom of the rear bulkhead inward from thedryer frame.7. To remove the rear bulkhead from the cabinet,remove all wiring and water tubing attached tothe back of the rear bulkhead.Inlet Duct