Georg Fischer Piping Systems EA 11, Instruction Manual

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The fail-safe return unit is mounted on the base
board and is connected electrically via a flat cable.
If the supply voltage is interrupted, the electronics
will switch to the storage battery automatically
after 5 sec. With a touch control, the function «Go
to the CLOSED or OPEN position» can be selected.
Position ¢/2: CLOSED, position ON: OPEN
(always both, see at left).
The storage battery is
charged continuously.
Full recharging takes approximately ¢5 hours.
9.2 Fail-safe Return
Description Technical data Code
Fail-safe return 24 V= 199 190 085
Wiring diagram
OPEN
CLOSE