2. Battery
The unit has an in-built non replaceable, rechargeable battery, which will keep the
programmed times during power down situations for up to 4 weeks. If the main
switch is left in the OFF position for longer than this, the display will go blank. If the
screen goes blank, once power is restored and 4 hours elapsed (to give a working
battery charge) reset must be pressed, and times / programmes re-entered.
Supply live
terminal
Switched
neutral terminal
(load neutral
connection)
Supply neutral
terminal
Switched live terminal
(load live connection)
3. Applications
Energy consuming appliances such as immersion heaters and storage heaters up to
13A total loading can be supplied by the FST11A / FST17A enabling users to make
use of economy 7.
If the user has other appliances which do not have a push button start such as
washing machines, dishwashers and tumble dryers these may also be controlled in
the same way. It can also be used to control lighting, if a neutral is made available.
Lighting up to 2.5kw filament, or 500W fluorescent can also be controlled.
230 V~
13A
T40
L OUT
N IN
L IN
N OUT
Fig. 2
FST17A / FST11A Rear Connections