Page GB-6
Current boiler flow temperature
The centrally arranged rotary pushbutton and the keys labeled with symbols facilitate ease of operati-
on. It is, however, recommended to read this manual attentively to be informed about the repeating
steps.
– Each changeable value flashes in the display and can be changed by means of the rotary push-
button. A flashing display is appropriately highlighted in this manual.
Turn to the right (+) in clockwise direction: increasing values
Turn to the left (–) in anti-clockwise direction: decreasing values
– Press once: Acceptance of the selected and indicated value, store.
– Hold depressed for approx. 3 seconds: Entry into the level selection:
If the value is not saved with the rotary pushbutton after an operation step, the value adjusted
last is automatically accepted after approx. 60 seconds.
Turn: select, change
Press once: confirm, store
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LCD display
The control is equipped with a large display, all information appears in plain text and several lan-
guages are available (see page 26-SYSTEM/Parameter 1 language selection).
During commissioning of the installation or after a power failure a segment test with automatic
error diagnostic takes place, followed by the short-term indication of instrument type and software
version.
Standard display
The subsequently appearing standard display shows day, date, time and current temperature of the heat
generator.
Instrument information
Standard display
Software-Version
Symbolism used in this manual:
Instrument type
Operation
Attention: If one or more room stations are connected, the control mode is changed automa-
tically (see Control mode - separate selection - page 27)
GB
8A521100_GB.qxd 10.11.2004 12:05 Seite 6
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