: For digital models, prying the front cover off and removing batteries for 5 minutes often performs a hard reset.
Push and hold the red button fully in, then light the pilot. Invensys Thermostat Manual Model Fd
Loosen the screws on the dial knob, manually set the knob to the actual measured temperature of the oven, and retighten the screws to align the dial. : For digital models, prying the front cover
For detailed installation diagrams, you can refer to the Robertshaw VC4200 Commercial Installation Guide or the Invensys Heating and Cooling Basics Manual . For detailed installation diagrams, you can refer to
To adjust: light the main burner and set the dial to 300°F. Once the temperature is constant, turn the dial back to the lowest setting.
: Ensure the red button is held down for at least one minute after lighting to engage the thermocouple.