Laars NEOTHERM NTH Installation And Operation Instructions Manual

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Laars NEOTHERM NTH Installation And Operation Instructions Manual Manual pdf 35 page image

Page 31N EO THERM Boilers and Water Heaters7.2 Navigating the User InterfaceNavigating into the Display area menus is as easy as it looks.The Info/Install button will be the primary button that youwill use to start, and the OK button is what you press to selectand approve the parameters that you have set on the Display.The arrow keys are for moving up and down, left and rightwithin the menus. The Back button gets you back to theprevious screen. And the Home button gets you back to theHome Display.See Table 10 for more details.7.3 The Home DisplayWhen the boiler is operating normally, the controller willdisplay the Home display. See Fig. 27.Fig. 27 - Home DisplayThe Home Display has three sections:• The upper section (customizable) displays the mostimportant operating information for the unit. In theexample shown here, the display is showing the systemsetpoint, the operating temperature, the outlet and inlettemperatures for the water entering and leaving the boiler,and the outdoor temperature.• The central section shows some additional operatingand setup information. In this case, this area lists theboiler name, boiler state, current demand, and the currentpassword level (the “access status”).• The lower section shows any current lockouts, holds, oralerts.7.4 Customizing your Home DisplayTo customize the upper section of your Home Display• Press “I” Info/Install button• Scroll to highlight “Display Setup”, press OK• Highlight the line you would like to change,(example”Line 2 Operating Temp”), press OK• Scroll to highlight the parameter that you do wantdisplayed and then press OK. The new parameter is nowdisplayed on the Home Display.Repeat this step for the other parameters, if desired.7.5 Entering/Changing Control SettingsInfo/Install DisplayThe Info/Install Display is where you will start every time.All of your Controls, Diagnostics, Setups, and more, areaccessed starting with the Info/Display screen.• From the Home display shown in Fig. 27, press the “I”button (“Info/ Install”). The display will change to show thesix sub-menus available. See Fig. 28.Fig. 28 - Info/ Install Display• To move from one choice to another, use the Left- andRight-Arrow buttons or the Up- and Down-Arrow buttons.• Once you have highlighted the choice you want, press theround OKTable 11 shows the functions listed under each of the sub-menus. For details, see Sections 8A and 8C.Changing a ValueThe procedure for changing a control value used by thesystem is listed below. (In this example, we will use thescreen for the CH Setpoint.)• Use the Up- and Down-Arrow buttons to step downthrough the list until you have highlighted the correct lineon the display.• Press the round OK button to select that line. Figure 29shows a typical screen for this type of setting.