Electrical Connection; Circulation Pump - Tuxhorn tubra-nemux-S Instructions De Montage Et D'utilisation

4.4

Electrical connection

4.4.1 General instructions
Only authorised, specialist personnel are permitted to open electrical housings and work on
the electrical system after de-energising the equipment. When establishing connections,
make sure the terminal assignments and polarity are correct. Protect the control unit and
electrical components against excess voltage.
Danger – Electric shock!:
 Risk of fatal electric shock as a result of incorrect electrical connections.
 Electrical connections must exclusively be created by electricians
approved by energy suppliers and as per the locally applicable
regulations.
 Disconnect the supply voltage prior to conducting any work.
The fresh water station tubra
power cable to commission.
Please refer to the separate control unit instructions for more details.
4.4.2

Circulation pump

The pump is controlled exclusively via an external PWM signal. The green flashing LED
display indicates the standby mode. A green continuous light indicates the pump is operating
at a speed corresponding to the PWM signal. A red LED signals an error.
Electrical pump connection
PWM connection
4.4.3 Regulation
Refer to the separate operating manual of the corresponding control unit for more detailed
information.
908.19.08.00
Last updated 2022/03/15
®
-nemux-S/M is pre-installed and wired ex works. Connect the
L = brown
N = blue
PE = green/yellow
+ = brown
- = blue
- 11 -
GB