Siemens 6SL3210-1SE13-1UA0 [281/318] Coolant requirements

Siemens 6SL3210-1SB14-0UA0 [281/318] Coolant requirements
Cooling circuit and coolant properties
10.2 Coolant requirements
Manual
Manual, 01/2011, 6SL3097-4AC10-0BP2
281
10.2 Coolant requirements
10.2.1 Coolant properties
Water or a water/anti-freeze mixture that meets the relevant requirements can be used as a
cooling medium. The cooling medium must be chemically neutral, clean, and not contain any
solids.
The cooling water must fulfill the following requirements over the long term:
Chemically neutral, clean, and free of solids
Max. inlet temperature: 50 ℃
Max. outlet temperature: 55 ℃
System pressure 600 kPa
Max. size of any particles transported: 100 μm
pH value: 6.0 to 8.0
Chlorides < 200 ppm
Sulfates < 600 ppm
Loose materials < 340 ppm
Total hardness < 170 ppm
Electrical conductivity < 500 µS/cm
NOTICE
Condensation must not be allowed to form on the SINAMICS S110 equipment as a result of
supercooling. The temperature of the cooling water may have to be regulated.
NOTICE
The heat sink is made of non-seawater-proof material, which means that it must not be
cooled directly with seawater.
Note
Tap water is not generally suitable for use in the cooling circuit. It can be mixed with de-
ionized water. Losses must always be replenished with de-ionized water.
The cooling water should be checked 3 months after the cooling circuit is filled for the first
time and, subsequently, once a year. If the cooling water becomes cloudy, is colored, or
becomes contaminated by mould spores, the cooling circuit must be cleaned and refilled.
An inspection glass should be provided in the cooling circuit to make it easier to check the
cooling water.

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