Special Operating Conditions - Vaillant 306 741 Instrucciones De Uso

5.1 Weekend operation
If, for example, during the weekend, the heating
is to be switched on temporarily, turn the opera-
ting mode switch (2) to the
position . To return to automatic operation, turn
the operating mode switch back to position
5.2 Summer-time operation
Set the operating mode switch (2) to the
position. This turns off the heating system.
5 Special operating conditions GB
5.3 Operating and mains failure
For environmental protection reasons the program-
mer contains no batteries. The timer comes to a
stand still if the mains power fails. However, the
programme you have entered is retained. When
. the mains power returns, the heating programme
continues automatically. The time of day must be
corrected accordingly. Using the minutes hand (3)
set the current time of day as previously
described.
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