EN
Put into operation
21
6.3
Connection options
➜
Fig.
3~ 400 V without neutral conductor N: Up
-
stream power transformer.
6.4
Double pumps
Only operate as main and standby pump with automatic
fault-actuated switchover:
◾
Individually connect and secure both motors.
◾
Provide separate switchgear.
◾
Make the identical settings.
6.5
Collective fault signal (SSM)
The contact of the collective fault signal (potential-free
normally closed contact) can be connected to a build-
ing automation system. Internal contact is closed in the
following cases:
◾
The pump has zero current.
◾
There is no fault.
◾
The control module has failed.
DANGER
Danger to life through voltage transmission, if mains and
SSM pipe are led together through a 5-wire cable.
◾
Do not connect SSM pipe to protective low voltage.
◾
Use 5 x 1.5 mm² cable.
During connection of the SSM pipe to the network po-
tential:
◾
SSM phase = live wire L1
6.6
Connect
➜
Fig.
to
7
Put into operation
7.1
Venting
1.
Charge the system appropriately and ventilate.
▶
The pump is self-ventilating.
7.2
Adjusting the operating mode
1.
Adjust desired operating mode with operating
knob
➜
Fig.
.
▶
The LED display shows the operating mode (c1, c2, c3)
or the setpoint value in m (at
D
p-c,
D
p-v).
7.3
Troubleshooting
The red LED lights up when a fault occurs; additionally an
error code will show on the LED display.
Observe detailed instructions on the Internet
➜
page 2.
