Maintaining The Fan Of The Internal Heat Exchanger; Maintenance Intervals; Replacing The Fan Of The Internal Heat Exchanger - Siemens SINAMICS S120 Manual
Cabinet modules liquid cooled
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Maintenance and servicing
7.4 Maintaining the cooling circuit
7.4.6
Maintaining the fan of the internal heat exchanger
The fans should be inspected in regular intervals for smooth running and normal housing
temperatures.
The average service life of the fans is approximately 50,000 hours. In practice, however, the
service life depends on other variables (e.g. ambient temperature, degree of cabinet
protection, etc.) and, therefore, may deviate from this value.
If necessary, the heat exchanger fans can be replaced, see Chapter Replacing the fan of the
internal heat exchanger (Page 242).
7.4.7
Maintenance intervals
Note
The specified maintenance intervals are limit values that may need to be reduced depending
on the operational conditions.
The operating company must always ensure that an appropriate maintenance is performed.
The maintenance intervals depend on the calendar time or the operating hours, whichever
occurs first.
Maintenance intervals of the components
Table 7- 2
Component
Coolant
Filters
Gaskets
Cooling hoses
Pumps
Fan
7.4.8
Replacing the fan of the internal heat exchanger
Replacing the fan
The typical service life of the fan is 50,000 hours. In practice, however, the service life
depends on other variables (e.g. ambient temperature, degree of cabinet protection, etc.)
and, therefore, may deviate from this value.
The fans must be replaced in good time to ensure that the device is available.
The article number of the replacement fan is 6SL3760-0SB00-0AA0.
242
Maintenance intervals
Review
Annually
Regularly, at least every 6 months
Regularly, at least every 6 months
Regularly, at least every 6 months
Regularly, at least every 6 months
Regularly, at least every 6 months
Replacing
After ten years
-
After 6 years
For cracks and leaks
Slide ring seals after two years
After approximately 50.000 operating
hours
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A
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