• Ex-approved pumps must have thermal contacts connected to the control panel.
• The sensors must be connected to either the MiniCAS II monitoring equipment or an
equivalent equipment.
• The monitoring equipment must be of a design that makes automatic restart
impossible.
• Information in the junction box shows if the pump is equipped with optional sensors.
Optional sensors
FLS FLS is a miniature float switch for detection of liquid in the stator housing. Due to its
design it is best suited for pumps in a vertical position. The FLS sensor is installed in
the bottom of the stator housing.
CLS CLS is a sensor for detection of water in the oil housing. The sensor initiates an alarm
when the oil contains approximately 35% water. The sensor is installed in the bearing
housing/bearing holder with its sensing part in the oil housing. The CLS sensor is not
applicable to Ex-approved pumps.
NOTICE:
The CLS sensor body is made of glass. Handle the sensor with care.
One CLS and one FLS sensor can be used in the same pump, if they are connected in
parallel.
3.3 The data plate
The data plate is a metal label that is located on the main body of the products. The data
plate lists key product specifications. Specially approved products also have an approval
plate.
WS006257C
24
23
25
8
7
6
5
4
1312 14 17
18 19
16159 10 11
22
21
20
2
3
1
1. Curve code or Propeller code
2.
Serial number
3. Product number
4. Country of origin
5. Additional information
6. Phase; type of current; frequency
7. Rated voltage
8. Thermal protection
9. Thermal class
10.Rated shaft power
11.International standard
12.Degree of protection
13.Rated current
14.Rated speed
15.Maximum submergence
16.Direction of rotation: L=left, R=right
17.Duty class
18.Duty factor
19.Product weight
20.Locked rotor code letter
21.Power factor
22.Maximum ambient temperature
23.Read installation manual
3 Product Description
14 Flygt 3102 Installation, Operation, and Maintenance Manual
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