Ofs Softening Control, Instruction Manual, Page: 3 / 28

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Index
1.
Manufacturer ................................................................................................................ 5
2. Correct usage in accordance with regulations .............................................................. 5
3. Warranty ....................................................................................................................... 5
4. Liability ........................................................................................................................ 5
5. Terms of license ........................................................................................................... 6
6. General safety instructions ........................................................................................... 6
6.1 Symbols ........................................................................................................................ 6
6.2 Operating personnel ..................................................................................................... 6
6.3 Safety requirements ...................................................................................................... 7
7. General overview of the device ................................................................................... 8
8. Characteristics .............................................................................................................. 9
9. Installation .................................................................................................................. 10
9.1 Mechanical installation .............................................................................................. 10
9.2 Hydraulic installation ................................................................................................. 10
9.2.1 Scheme hydraulic installation .................................................................................... 11
9.3 Electrical installation .................................................................................................. 12
9.3.1 Connection of power supply ...................................................................................... 12
9.3.2 Output water hardness by active current loop ............................................................ 12
9.3.3 Connection ON / OFF signal ..................................................................................... 12
9.3.4 External signalling by potential free contact .............................................................. 13
9.3.5 Connection external closer for activation of measurement ........................................ 14
9.3.6 Connection of water meter ......................................................................................... 14
9.3.6.1 Connection mechanical water meter .......................................................................... 14
9.3.6.2 Connection electronic water meter (turbine with Hall-contacts) ............................... 14
9.3.7 Overview electrical connections ................................................................................ 15
10. Commissioning .......................................................................................................... 16
10.1 Setting of DIP-Switches ............................................................................................. 16
10.2 Explanation of LED-Display ..................................................................................... 18
10.2.1 Explanation of LED-status for displaying of water hardness evaluation ................... 18
10.2.2 Explanation of LED-status for displaying of functional status .................................. 19
10.3 Operating tests ............................................................................................................ 20
10.3.1 Test of water quality .................................................................................................. 20
10.3.2 Test of external signaling ........................................................................................... 20
10.3.3 Test sensor performance ............................................................................................ 20
11. Service ........................................................................................................................ 21
11.1 Delivery/Transport/Storage of hardness sensor ......................................................... 21
11.2 Operating conditions of the sensor ............................................................................. 22
11.3 Sensor mounting/Sensor replacement ........................................................................ 22
11.4 Malfunction/Breakdown of sensor ............................................................................. 23
12. Malfunctions and possible causes .............................................................................. 24
13. Decommissioning ....................................................................................................... 25
14. Dismounting ............................................................................................................... 25
15. Sensor system ............................................................................................................. 25
16. Accessories ................................................................................................................. 25
17. Technical data ............................................................................................................ 26
18. EU-Declaration of conformity ................................................................................... 27