Wilo Yonos MAXO Series - Put Into Operation; Double Pumps; Collective Fault Signal (SSM); Troubleshooting

EN
Put into operation
21
6.3 Connection options
➜ Fig.
12
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.
13
to
19
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.
20
.
▶ The LED display shows the operating mode (c1, c2, c3)
or the setpoint value in m (at
Dp-c, Dp-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.