Depending on the design of the cabinet, sockets for connecting the interfaces are located on
the left-hand side (viewed from the front), below or above. The connectors are provided at the
same position on the other cabinet.
1. Insert the plug ② into the corresponding socket ①.
① Interface terminal
② Connector
Figure 5-5 Example: Connecting interface terminals
5.9 Connecting the water circuits
CAUTION
Deionized water
Deionized water is harmful to eyes and skin and can damage surfaces.
● Therefore, use appropriate protective clothing for all work on the drive. However, if your
eyes or skin do come into contact with deionized water, rinse the affected area thoroughly
with tap water as soon as possible.
● If deionized water leaks out, eliminate the source of the problem and remove the liquid
from the surfaces affected.
NOTICE
Damage caused by foreign bodies in the cooling system
Foreign bodies in the cooling system can cause blockages in individual circuits. As a result,
the water-cooled components overheat and the drive fails.
For this reason, make sure that no foreign bodies can enter the water circulation system. Only
remove the protective cover immediately prior to connecting the water circuit.
Installation
5.9 Connecting the water circuits
SINAMICS SM150 6SL3845-7NN46-7AA0
104 Operating Instructions 04/2017
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