72
Manual operation
all channels appear in the display) and press the
Select button until the open-end wrench appears
in the display for heating zone “1”.
To switch a heating zone manually on or off, proceed as
follows:
• Select the required channel using the channel
button
(D)
(see figure 11)
.
• Press the select button
(C)
briefly (
see figure 11
).
The heating zone now opens or closes the valve of the
heating zone for 15 minutes. Afterwards, normal opera-
tion will be continued for the heating zone.
If the valve of all heating zones is to be opened or
closed simultaneously, select all channels and
press the select key
(C)
briefly.