Siemens SINAMICS GL150 Operating Instructions & Installation Instructions page 109

Installing the fan
1. Insert the new fan.
2. Tighten the four nuts including the contact washers with a torque of 25 Nm.
3. Connect the fan cable according to the circuit diagram.
4. Close the cover of the junction box.
5. Attach the mesh cover. Tighten the screws with the specified torque.
Removing the fan
Follow the five safety rules before replacing the fans.
NOTICE
Damage caused by insufficient cooling
Cooling is only ensured if the fan is rotating in the correct direction.
● When you are inserting the new fan, make sure that it rotates in the correct direction. The
SINAMICS GL150 6SL38502UM114PA0Z
Operating Instructions Rev.201910281441 EXAMPLE
NOTICE
Damage caused by insufficient cooling
Cooling is only ensured if the fan is rotating in the correct direction.
● When you are inserting the new fan, make sure that it rotates in the correct direction.
The direction of rotation is shown by a small arrow on the enclosure.
– The torque for the countersunk head screws is 4.5 Nm.
– The torque for the hex screws is 10 Nm.
direction of rotation is shown by a small arrow on the enclosure.
Maintenance
9.5 Maintenance
109