Motor Data
Motor characteristics
Insulation class
H (+180°C, +356°F)
Voltage variation
Max. +/- 10%
Voltage imbalance between phases
Max. 2%
Frequency
Pump
50 Hz
60 Hz
C3231
X
X
C3240
X
X
C3300
X
X
C3306
X
X
C3312
X
X
C3351
X
X
C3356
X
X
C3400
X
X
C3501
X
X
C3531
X
X
C3602
X
X
C3800
X
X
Monitoring with MAS
The pump is designed for use with the Flygt MAS monitoring system. The parameters tracked are chosen
by the customer and can include the following:
• Temperature (main and support bearings, stator windings)
• Vibration
• Leakage (in stator housing, junction box, and water into oil chamber)
• Power monitoring
Table 41: Parameters monitored
Description
Sensor
Standard or optional
Pump memory
Printed circuit board for pump memory
includes a temperature sensor.
Standard
Leakage in the junction box
Float Switch Leakage Sensor (FLS)
Standard
Main bearing temperature
Pt100 analogue temperature sensor
Standard
Leakage in the stator housing
Float Switch Leakage Sensor (FLS)
Standard
Stator winding temperature
See table below.
Standard
Support bearing temperature
Pt100 analogue temperature sensor
Optional
Water in oil
Capacitive Leakage Sensor (CLS)
Optional
Vibration
VIS 10
Optional
Power monitoring
Separate electronic instrument using three
current transformers.
Optional
Pump current
A current transformer in the control cabinet is required.
Table 42: Stator winding temperature, monitoring configurations
Drive units
Sensors in coil ends of
stator windings
Additional sensors, incorporated in the stator
windings:
Always (standard)
Additional option
Up to 1.1 kV One of the following
choices:
• 3 thermal switches
(standard), or
• 3 PTC-thermistors
(optional)
Pt100 analogue temperature
sensor in 1 stator winding
(standard)
Pt100 analogue temperature
sensors in 2 additional stator
windings (optional)
Technical Reference
C3300/6x5, C/R3231, C3240, C3306, C3312, C3351, C3356, C3400, C3501, C3531, C3602, C3800 Installation,
Operation and Maintenance Manual
111