Invensys Thermostat Manual Model Fd Now

: Ensure the red button is held down for at least one minute after lighting to engage the thermocouple.

Adjust the pilot flame to a height of approximately 1/2 inch using the adjustment screw (marked 'P'). : Invensys Thermostat Manual Model Fd

Because this model is entirely mechanical, adjustments are physical rather than digital. : : Ensure the red button is held down

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. Invensys Thermostat Manual Model Fd

For detailed installation diagrams, you can refer to the Robertshaw VC4200 Commercial Installation Guide or the Invensys Heating and Cooling Basics Manual .