FLYGT C3501 - Page 29

Table 1: Sensors for pumps using drive units up to 1.1 kV
Parameter Monitored Sensor
Signal Cable,
Number of
Leads Required
Standard or
Optional
Vibration VIS 10 24 Optional
Leakage in the junction box
Float Switch Leakage Sensor
(FLS)
12 Standard
Stator winding temperature in one
phase
Pt100 analogue temperature
sensor in 1 stator winding
12 Standard
Stator winding temperature
Thermal switches (3), or
12 Standard
PTC-thermistors (3)
24 Optional
Stator winding temperature in
phases 2 and 3
Pt100 analogue temperature
sensors in 2 additional stator
windings
24 Optional
Main bearing temperature
Pt100 analogue temperature
sensor
12 Standard
Leakage in the stator housing
Float Switch Leakage Sensor
(FLS)
12 Standard
Water in oil (standard drive units
only)
Capacitive Leakage Sensor (CLS) 24 Optional
Support bearing temperature
Pt100 analogue temperature
sensor
24 Optional
Pump memory
Printed circuit board for pump
memory includes a temperature
sensor.
12 Standard
Pump current A current transformer in the control cabinet is required.
Power monitoring
Separate electronic instrument using three current
transformers.
Optional
For more information on the stator temperature monitoring, see Stator temperature monitoring methods (page
31).
Sensors, drive units 1.2 – 6.6 kV
The drive units in this voltage range are shown in Drive units (page 21).
Table 2: Sensors for pumps using 1.2 – 6.6 kV drive units
Description Sensor
Signal Cable,
Number of
Leads Required
Standard or
Optional
Vibration VIS 10 24 Optional
Leakage in the junction box
Float Switch Leakage Sensor
(FLS)
24 Standard
Stator winding temperature
PTC-thermistors (3+3)
1
24 Standard
Stator winding temperature in
phases 1, 2 and 3
Pt100 analogue temperature
sensors in each stator winding
(3+3)
2
24 Standard
Main bearing temperature
Pt100 analogue temperature
sensor
24 Standard
Leakage in the stator housing
Float Switch Leakage Sensor
(FLS)
24 Standard
Water in oil (standard drive units
only)
Capacitive Leakage Sensor (CLS) 24 Optional
Support bearing temperature
Pt100 analogue temperature
sensor
24 Optional
Pump memory
Printed circuit board for pump
memory includes a temperature
sensor.
24 Standard
1
6 total: 3 sensors are connected and 3 are built-in spares.
2
6 total: 3 sensors are connected and 3 are built-in spares.
Product Description
C3300/6x5, C/R3231, C3240, C3306, C3312, C3351, C3356, C3400, C3501, C3531, C3602, C3800 Installation,
Operation and Maintenance Manual
25