Zibro A2W300 Manuel D'utilisation Et D'installation page 46

ChILD LOCK.
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Press  and  buttons at the same time and hold it for 5 seconds; the buttons
are locked.
Press  and  buttons at the same time and hold it for 5 seconds again; the
buttons are unlocked.
NOTE:
You can check and adjust the set parameters during stand-by modus; you
cannot adjust the set parameters when the heat pump boiler is running.
The parameters have been preset by the factory. Only parameters with the
remark "adjustable" may be changed by the end user (see parameter list
chapter f.). Parameters with the remark "do not change" must be changed by
a local dealer only, to prevent damage and/or malfunction of the heat pump
boiler.
The warranty does not cover damage by incorrect setting of parameters.
button (clock time setting)
once, hour icon "88" will flash, use the  and  buttons to set the
Press
again, minute icon "88" will flash, use the  and
exact hour(s). Press
 buttons to set the exact minute(s). After finishing the setting, press the
button once again to confirm and exit.
button
Setting the timer:
Press button once, the clock icon "88:88" and timer on icon "ON" will
again, hour icon "88" will flash, use the  or  button to set
flash. Press
the desired timer "ON" hour(s). Press
use the  or  button to set the desired timer "ON" minute(s). Press
to confirm the set time. The timer on icon "ON" stop flashing, at the same
time the clock icon "88:88" and the timer off icon "OFF" will flash. Press
again, hour icon "88" will flash, use the  or  button to set the desired
timer "off" hour(s). Press
 button to set the desired timer "off" minute(s). Press
the set time. The timer icon "off" stops flashing. The timer function has been
switched.
Cancel the timer settings:
Press button once, the clock icon "88:88" and timer icon "ON" will flash.
Press the button once, and the timer settings are cancelled.
NOTE:
1) The timer settings will apply to every day of the week.
2) The timer settings are still remembered after a sudden power cut.
again, minute icon "88" will flash,
again, minute icon "88" will flash, use the  or
again
again to confirm