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3-Element Level Control

3-Element Level Control. Press the centre of the drum to access information about 3-element level control. To initiate the 3-element level control, enter a level Setpoint (between 0.5 & 4.5 metres). Press the button to close the pop-up window. 3-Element Level Control.

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3-Element Level Control

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  1. 3-Element Level Control Press the centre of the drum to access information about 3-element level control. To initiate the 3-element level control, enter a level Setpoint (between 0.5 & 4.5 metres). Press the button to close the pop-up window.

  2. 3-Element Level Control Disabling the Feedwater Flow loop causes the controller to enter the single-element level control (single PID loop). The Feedwater Flow Setpoint is now unavailable to the operator. When the feedforward (Steam Flow) is disabled, the controller enters the 2-element level control state (Master/Slave PID loops).

  3. Combustion Control Press the top of the Air faceplate to access a trend pop-up for that PID loop. Select the Cross-Limiting Combustion Control display. Operator/Engineer constants are displayed at the top (Fuel’s CV, Stoichiometric Air and Excess Air Requirement). The Pressure input allows you to set a Heat Demand for the Combustion Control. You can let the pop-up timeout or you can close it by pressing the button. Press the top of the Fuel faceplate to access the point pop-up page for the Fuel PID loop.

  4. Trending and select Overview. This will take you to the Area display. Press any of the two groups to access the corresponding Group display. Using the scroll down button allows the display of the various trending displays for that particular group. Press the menu button

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