Removing a sensor
To remove a sensor, proceed as follows:
1. Loosen the screw in the sensor cover ①.
2. Pull out the connector.
Figure 9-23 Replacing the water sensors
3. For the temperature sensor, loosen the two screws in the sensor cover ②.
4. Remove the cables connected to the sensor.
5. Unscrew the sensor from the screw connection in the water pipe.
Installing a sensor
To install a sensor, proceed as follows:
1. Screw the sensor into the screw connection in the water pipe.
2. Attach the connector to the sensor.
3. Fasten the screws in the sensor cover ①.
4. For the temperature sensor, attach the cables directly to the sensor.
5. Lock the sensor by using the two screws ② to screw the cover to the sensor.
Note
Ventilating the deionized water circuit
Vent the deionized water circuit after replacing a water sensor.
Maintenance
9.7 Repair
SINAMICS PERFECT HARMONY GH150 6SL3825
Operating Instructions 05/2020 125
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