Description, technical data
2.9 Cooling
A5E01083943A AB
36 Siemens AG Operating Instructions 2.02 1FW4
Contents and chemical composition Value
Nitrate < 10 ppm
Iron < 0.2 ppm
Ammonia < 10 ppm
Dissolved solids < 340 ppm
Conductivity < 500 µS/cm
Mix additives in with the cooling water in appropriate quantities to protect against corrosion
and the growth of algae. The type and quantity of additive should be taken from the
respective manufacturer's specifications for these additives and the particular ambient
conditions.
Recooling unit
The use of a correspondingly dimensioned recooling unit guarantees the coolant supply
temperature of 25°C. You can operate several motors and/or the converter on one recooling
unit. The use of a closed cooling circuit is recommended.
Note
Recooling unit not included in scope of delivery
The recooling unit is not part of the motor's scope of delivery.
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(1) Filter
1)
(6) Temperature-sensing coolant
(2) Throughput quantity display
1)
(7) Compressor/recooling unit
(3) Flow regulating valve
1)
(8) Motor
(4) Pump (9) Recooling unit
(5) Cooling-medium reservoir
1) These components are not absolutely necessary.
Figure 2-6 Example of a cooling circuit
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