Lennox International Inc. GWB9-050IH-2 Manual De Usuario

S9381A control has a number of user adjustable 

parameters as shown in Table 8.

To discourage unauthorized changing of settings, a 

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.

In RUN mode, status items and parameters are viewable.
To read settings, press and release the I Key to fi nd 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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