ABB FW/S 4.5 Bedienungsanleitung Seite 40

5.4 Changing Automatic Summer/Winter time
Default settings:
SW/S 4.5 dat 1
FW/S 4.5 dat 0
Select the new switching time (Chapter 5.4)
Example: basic setting dat 0
Change to: new regulation dat 1
Important: Default of FW/S 4.5 has to be dat 0.
Select
New dat 1
With button v return to the automatic programme.
Adjust
Store
5.5 Radio Time Switch FW/S 4.5
The operation of the radio time switch is exactly the same as with the SW/S 4.5.
The correct time, date and Summer-/Wintertime change-over set themselves
automatically with me DCF 77 radio receiver.
Interesting Details:
– Accuracy of the radio receiver +/– 1 sec. in 1,000,000 years
– Transmitter location is Mainflingen near Frankfurt
– Transmitting radius of the transmitter approx. 1000 km
– Synchronisation is effected after initial setting-up and then daily at
night.
5.6 Connection and Adjustment of the Radio Antenna
We recommend the following mounting positions:
– outside the control box (at least 4 m away)
– under the roof
– or in a protected position out of doors
Avoid mounting positions near:
– radio transmitting installations
– radiological equipment
– television and personal computers
38