8.3.4.1 Servicing the filter for a cooling unit supplied from Siemens
Check the filter once yearly and clean if necessary. Proceed as follows:
1.
Open bypass valve ① of the filter. Close shutoff valve ② before and after the filter.
Figure 8-3 Shutoff and bypass valves
2.
Unscrew the filter cartridge. Check the filter for accumulated pollution and dirt. If the filter
is dirty, clean it under flowing water.
Figure 8-4 Removing the filter
CAUTION
Coolant
Coolant
can escape when the filter is opened. The coolant is harmful to eyes and skin and
can damage surfaces.
Therefore, wear appropriate protective clothing for all work on the converter. However, if
your eyes or skin do come into contact with coolant, rinse the affected area thoroughly
with tap water as soon as possible. If coolant leaks, eliminate the source of the problem
and remove the liquid from the surfaces affected.
3. Screw the filter back in and close bypass valve ①.
Servicing
8.3 Waiting
Applications for Cabinet Modules, liquid cooled
Operating Instructions, 04/2015, A5E35974555A 115
Siemens Drives & PLCs
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