Connecting The Speed Sensor - Siemens 1PH728 Operating Instructions Manual

Caution
Please note that the separately driven fan unit is only suitable for the direction of rotation
shown by the direction-of-rotation arrow.
The fan must not be operated with the wrong direction of rotation as this could lead to the
motor being destroyed.
Note
The direction-of-rotation arrow and the direction of movement of the fan impeller are
indicated on the rear side of the blower.
If necessary, switch the direction of rotation by swapping over two phase conductors in the
terminal box.
Connection
Connect up the fan in the terminal box of the fan unit.
Figure 3-5
[ID: 337.01]

3.8 Connecting the speed sensor

Connection
Connect the speed sensor to the terminal box by means of a plug-in connection ①. This is
located at the side of the terminal box.
Siemens AG A5E00177602A
Operating Instructions V 2.0 1PH728
Detailed view of fan
① fan unit terminal box
Installation / Assembly
3.8 Connecting the speed sensor
3-11