Replacing The Differential Pressure Monitor - Siemens SINAMICS GL150 Operating Instructions & Installation Instructions

Maintenance
9.7 Repairs
3. Copy the stored data of the previous CompactFlash card to the new original Siemens card.
4. Insert the new Siemens CompactFlash card.
9.7.4

Replacing the differential pressure monitor

Proceed as follows to replace the differential pressure monitor:
1. The five safety rules must be observed.
2. Release the two connections of the differential pressure monitor.
3. Withdraw the air hose at the differential pressure monitor.
4. Release the two screws that are used to attach the differential pressure monitor.
5. Release the differential pressure monitor from the mounting plate.
6. Attach the new differential pressure monitor to the mounting plate.
7. Reinstall the new differential pressure monitor in the cabinet. Reconnect the cables and air
8. After replacing the differential pressure monitor, adjust the switching point.
Setting the switching point
Set the switching point for the differential pressure during commissioning. Select the switching
point so that when a fan is switched off, this will cause the differential pressure switch to trip
after approximately 3 seconds. As a minimum, set differential pressure values of 500 Pa.
118
Note
Invalid software key
The software key is associated with the serial number of the CompactFlash card. If you
overwrite the software key of the new CompactFlash card with the previous CompactFlash
card, the new CompactFlash card is not operational.
Consequently, use the software key of the new CompactFlash card.
hose.
SINAMICS GL150 6SL38502UM114PA0Z
Operating Instructions Rev.201910281441 EXAMPLE