ABB System pro M DT1 Handbuch Seite 9

The type of change depends on the geographical zone.
Types available:
Type Start of time
change Summer
Euro Last Sunday
*
of March
USER Date freely
programmed
No No
change
The change always takes place between 2:00 and 3:00 a.m.
Note:
For United Kingdom, use the geographical area EURO.
For USA, use the type USER and enter following dates:
Beginning of the summer-time 2nd Sunday of Mars, beginning of winter-time
the 1st Sunday of November.
Example: for an installation in 2007 enter 11.03 and 04.11 by following the
instructions below.
When the USER type is selected:
1. Enter the day then the month of the date of change of the summer
time (+ 1hour) with
2. Enter the day then the month of the date of change of the winter
time (- 1hour) with
The time switch will check which days of which weeks correspond to these
dates and will apply changes to the same periods for the following
years independently of the date.
Override
DT1, DT1-K: Pressing repeatedly on
DT2, DT2-K: Pressing repeatedly on C1
If the state of the output is On:
st
1 pressure: temporary waiver. Off and
will let you return to the automatic mode.
Start of time
change Winter
Last Sunday
of October
Date freely
programmed
No
change
+ or - and enter.
+ or - and enter.
( * = type according defect)
-.
or C2
flash. The next program step
7
Zone of
application
European
Union
.