Siemens SINAMICS S120 Manual page 132

Commissioning the cooling circuit
5.4 Filling the internal deionized water circuit
The module is vented in the following sequence:
1. Hold the blue vent hose outside the cabinet in a bucket, see Venting the components
(Page 127).
2. Open the vent valve at the heat exchanger so that air can escape.
Continue venting until clear cooling liquid escapes in a steady stream from the vent hose.
3. Close the vent valve.
Danger of injury caused by spray water
The coolant is harmful to eyes and skin and can damage surfaces.
If the air escapes intermittently, coolant spray can come into contact with your skin or eyes.
• Therefore, use appropriate protective clothing for all work on the drive. However, if your
• Please refer to the EU safety data sheet of the coolant manufacturer.
130
CAUTION
eyes or skin do come into contact with coolant, rinse the affected area thoroughly with
tap water as soon as possible. If coolant has escaped, remove the liquid from the
affected surfaces.
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A