8X5 and 9X5 drive units
1. Vibration – VIS 10
2. Leakage in the junction box – FLS, Float Switch Leakage Sensor
3. Stator winding temperature
4. Main bearing temperature – Pt100 analogue temperature sensor
5. Leakage in the stator housing – FLS
6. Water in oil (standard drive units only) – CLS, Capacitive Leakage Sensor
7. Support bearing temperature – Pt100 analogue temperature sensor
8. Pump memory
Temperature sensors
Table 3: Thermal switch
Description Measured value Fault values
The thermal switch
is a normally closed
contact.
0-3 ohm, unless the wires are very long. An infinite value (open circuit) indicates
either high temperature or a fault (a wire
is broken or there is a bad contact in a
connector).
Product Description
C3300/6x5, C/R3231, C3240, C3306, C3312, C3351, C3356, C3400, C3501, C3531, C3602, C3800 Installation,
Operation and Maintenance Manual
29
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