11
8 Brief Instruction
The Controller restarts after the supply voltage is switched on and shows the
main display with the supply temperature and the plant status.
If within 60s no keystroke is recognized, the display changes from every sub-
menu automatically back to the main display.
8.1 Key Configuration
Image: Operation and main display
Key [
ALARM
]
Flashes red if an error occurred.
Displaying of the upcoming alarms by operation
Acknowledging of eliminates interferences after operation
Returning to the main display after operation
Key [
Prg
]
Selection of the menu-overview and the main-menu pages by operation
Key [
Esc
]
Returning to the menu-overview and the main-display by operation
When operating during a change of values of parameters it will switch to the higher level (menu-
overview-display). There is no guarantee that the previous parameter value remains.
Key [
Up
]
Arrow key
„up“
Change the display in the menu-overview and for the in-and output sides by operation
Changing or raising a parameter value (setting value) for the value adjustment
Summary of Contents for H42 Series
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