Operating instructions

Special functions (additional menu) 9
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Operating instructions RC30 programmable room thermostat • Issue 02/2006
9.11 Automatic summer and winter time adjustment
The RC30 switches automatically between summer and winter
time. The date is determined by the European agreement:
– Changeover to winter time:
On the last Sunday in October the time changes from 03:00 to
02:00 (–1 h).
– Changeover to summer time:
On the last Sunday in March the time changes from 02:00 to
03:00 (+1 h).
z Open the additional menu (see Chapter 9.1 "Opening and
using the additional menu", page 57).
Using the dial select "ADD MENU SU/WI TIME".
Press the "Display" button.
You are now in the "SU/WI TIME" menu.
Hold down the "Display" button and select the setting "YES" with
the dial.
You can choose between "YES" and "NO".
Release the "Display" button.
Your heating system will now switch between summer and winter
time automatically.
Press the "Back" button or close the flap.
+
SU/WI TIME
CHANGEOVER
YES