5 x Control unit operation
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FA ROTEX Solaris - 08/2007
5.3.2 Display during operation
During operation, the display shows the system temperatures, maximum values and calculated values. After showing the start
display, the Solaris R3 controller switches automatically to operation display mode, an operation value is displayed and the
relevant light is illuminated.
• Pressing the arrow keys permits navigating between the four measured temperature values and the measured flow value
(see Table 5-1 and Table 5-5).
• Pressing the Info key displays the maximum values and the calculated values (see Table 5-2).
The left column of the display shows the following status information:
– "1" in the first line, circulation pump P1 running.
– "2" in the 2nd line, booster pump P2 running.
– "B" in the 3rd line, burner inhibit contact activated (see Section 5.3.7) or a fault status (see Chapter 6.1).
– "H" in the 4th line, manual operating mode.
5.3.3 Set-up menu
In the set-up menu, the parameters of the Solaris R3 control unit are displayed and can be changed.
• Pressing the OK key once (>2 s) either activates the set-up menu or returns to the operating display. Briefly pressing the
key confirms a selection, opens the next menu item, or displays "Saved" for about 1 second after a value has been changed.
• In the selected parameter display, pressing the OK key switches over to the parameter changing mode.
The first line of the set-up menu (Fig. 5-6) shows the active menu item, whilst in the left-hand column a cursor (">") points to
the next lower menu item or to a parameter. From here, you navigate to the respective menu tree by means of the arrow keys:
up (+ key) or down (– key). The adjusted value can be changed accordingly with the arrow keys. Briefly pressing an arrow key
changes the value by one step and continuous pressing speeds up the change. After changing the required parameter and moving
down through the entire parameter list, the display returns to the selection menu ("Selection 2/2") and from there to the operating
display (see Fig. 5-6). The control unit starts working with the changed parameter value(s) immediately. The display always
returns to the operating display mode after 10 minutes, provided that no key is pressed during this time.
As long as no manual changes are made, or an event according to Table 6-2 triggers a different display format,
the selected display of measurement or Info values remains active – also after a parameter change or if the
system is switched off/on. If info values are displayed, no measuring point indicator lights are activated.
Fig. 5-4 Display during start-up Fig. 5-5 Display during operation
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