GE Profile PTDS650EM Technical Service Manual

Also see for Profile PTDS650EM: Dimensions and installation information

– 37 –Outlet Control Backup ThermostatThe outlet control backup thermostat is locatedon the upper, rear area of the blower housing. Itis below the moisture shield and above the outletcontrol thermistor. The outlet control backupthermostat monitors the outgoing air temperature.If the thermostat reaches a temperature beyond itsmaximum temperature rating, it will trip and disablepower to the heating elements or burner assembly.The outlet control backup thermostat opens at165°F (74°C) and will automatically reset at 155°F(68°C).To remove the outlet control backup thermostat:1. Remove the top panel, front panel, and drum.(See Top Panel, Front Panel, and Drum.)2. Remove the Phillips-head screw and thethermostat moisture shield from the front frame.3. Disconnect the 2 wires from the outlet controlbackup thermostat.4. Remove the Phillips-head screw that attachesthe outlet control backup thermostat to theblower housing.Outlet ControlBackup ThermostatElectric Model ShownHigh Limit ThermostatOn electric models, the high limit thermostat islocated on the top right area of the heater housing.On gas models, the high limit thermostat is locatedon the upper right side of the diffuser. The high limitthermostat monitors incoming air temperature.If the thermostat reaches a temperature beyond itsmaximum temperature rating, it will trip and disablepower to the elements or burner assembly.For the electric models, the high limit thermostatopens at 315°F (157°C) and will automatically resetat 250°F (121°C).For the gas model, the open temperature is 180°F(82°C) and the close temperature is 165°F (74°C).To remove the high limit thermostat:1. Remove the top panel, front panel, and drum.(See Top Panel, Front Panel, and Drum.)2. Disconnect the 2 wires from the high limitthermostat.3. Remove the Phillips-head screw that attachesthe high limit thermostat to the heater assemblyor diffuser.4. Slide the thermostat from the heater assemblyor diffuser.Electric Model ShownHigh Limit Thermostat