S9381A INTEGRATED BOILER CONTROL OPERATION AND ADJUSTMENTS

S9381A control has a number of user adjustable parameters as shown in Table 8.

Table 8 - User Parameters

Adjusting Settings

To discourage unauthorized changing of settings, a Figure 25 - Display procedure to enter the adjustment mode is required.

To enter the adjustment mode, press the UP, DOWN, and I buttons simultaneously for three seconds. Press and release the I button until the parameter requiring adjustment is displayed.

Then press the UP or DOWN button until the parameter has reached the desired value. After 60 seconds without any button inputs, the control will automatically return to the READ mode.

Display

In RUN mode, status items and parameters are viewable.

To read settings, press and release the I Key to find the parameter of interest. For example, press and release I until setpoint (sp) is displayed, followed by a three- digit number, i.e., 220, followed by °F or °C. See Display Readout, Figure 25.

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Lennox International Inc Gas-Fired Hot Water Boiler S9381A Integrated Boiler Control Operation and Adjustments, Display
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