Maintenance Of Fan(S) For Forced Ventilation; Switchgear Extension; Spare Part Orders; Replacement Of Panels And Components - Siemens NXAIR Operating Instructions Manual

Overpressure monitor trips in the indication range from 8 to 12:
Push the detachment ring again, and pull the test tube out of the tube connector.
Insert the tube to the compartment into the tube connector as far as it will go.
Perform the function test of the other overpressure monitors in the same way.
After the function test of all overpressure monitors, close the door to the low-voltage
compartment.
✓
The function test of the overpressure monitor is completed.
Overpressure monitor does not trip in the indication range from 8 to 12:
Document the tripping value and repeat the test. If this overpressure monitor does not trip in
the indication range from 8 to 12 again, mark the overpressure monitor.
Push the detachment ring again, and pull the test tube out of the tube connector.
Insert the tube to the compartment into the tube connector as far as it will go.
Inform the regional Siemens representative and ask for support and advice.

29.7 Maintenance of fan(s) for forced ventilation

The fans used for forced ventilation are designed for a maximum operating time of 40,000 hours.
Replace a fan in the fan box on the pressure relief duct before it reaches 40,000 operating
hours.
The procedure is described in the Installation Instructions; order number 110-0084.9 .
Manufacturer
Type
Power consumption
Operating hours
Operating manual
Contact

29.8 Switchgear extension

The switchgear can be extended at both ends without modification of existing panels. For switchgear
extension, please contact the regional Siemens representative.

29.9 Spare part orders

Information required for spare part orders of single components and devices:
•
Type and serial number of the switchgear and the withdrawable part / switching-device truck as per
rating plates.
•
Precise designation of the device or component, if applicable on the basis of the information and
illustrations in the associated instructions, a drawing, sketch or circuit diagram.
•
Spare parts have to be ordered at the regional Siemens representative.

29.10 Replacement of panels and components

Replacement of panels:
•
For replacement of panels, please contact the regional Siemens representative.
110-0134.9 / 14
Specification of fans to be used
ebm-papst company
R2E270-AA01-05
280 W / 50 Hz
40,000 h
Item no. 11005-5-9970 EN
www.ebmpapst.com / phone: +49793881-0
NXAIR / ≤ 40 kA
Service information
430 W / 60 Hz
425