Siemens SINAMICS S150 Operating Instructions Manual page 459
Converter cabinet units 75 kw to 1200 kw
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Also See for SINAMICS S150:
- Engineering manual (530 pages) ,
- Manual (312 pages) ,
- Function manual (108 pages)
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Description
The average service life of the device fans 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 cabinet unit is available.
Preparatory steps
● Disconnect the cabinet unit from the power supply.
● Allow unimpeded access.
● Remove the protective cover.
Removal
The steps for the removal procedure are numbered in accordance with the diagram.
1. Remove the copper bar (8 screws).
2. Remove the retaining screws for the fan (3 screws).
3. Disconnect the supply cables (1 x "L", 1 x "N").
You can now carefully remove the fan.
CAUTION
When removing the fan, ensure that you do not damage any signal cables.
Installation
For re-installation, carry out the above steps in reverse order.
CAUTION
The tightening torques specified in the table "Tightening torques for connecting current-
carrying parts" must be observed.
Carefully re-establish the plug connections and ensure that they are secure.
The screwed connections for the protective covers must only be tightened by hand.
Drive converter cabinet units
Operating Instructions, 07/07, A5E00288214A
Maintenance and servicing
11.4 Replacing components
459
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