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2.4.3
Operating mode
2.4.4
Control elements
Grundfix Plus Control backflow trap type 3
Event memory
Potential-free relay-outlets
Casing
Protection class in acc. with
VDE 0100
Battery fuse
Motor fuse
Closing time in case of back flow
The motor-powered flap is open during normal operation. If the pres‐
sure switch registers the backflow of water, the motor-powered flap is
closed, the following display appears [Back pressure] and a signal
sounds every 10 seconds. The use of the drainage equipment is not
possible during this time. A battery emergency power supply ensures
the functionality of the system even when the 230 V mains power supply
fails.
Using the manual actuator, the backflow trap can be closed manually
and independently of the motor-powered flap.
Fig. 5: Control elements backflow trap
1 - Emergency shut-off
Product information
512 events
Back flow and fault
Plastic casing 201 x 151 x 80 mm
without hinges and PG screw fit‐
ting
Control casing IP54; Grundfix Plus
Control IP67
4 A – slow
4 A – slow
In mains or battery operation
approx. 10 seconds
13
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