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Sorel LFWC Manual

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Contents
A. - Safety instructions 3
A.1. - EC declaration of conformity 3
A.2. - General instructions 3
A.3. - Explanation of symbols 3
A.4. - Changes to the unit 4
A.5. - Warranty and liability 4
B. - Description of controller 5
B.1. - Specications 5
B.2. - Temperature resistance table for Pt1000 sensors 5
B.3. - About the controller 6
B.4. - Scope of supply: 6
B.5. - Disposal and pollutants 6
B.6. - Hydraulic variants 7
C. - Installation 8
C.1. - Wall installation 8
C.2. - Electrical connection 9
C.3. - Electrical connection 10
C.4. - Installing the temperature sensors 11
D. - Terminal connection diagrams 12
D.1. - „With circulation pump“ 12
E. - Operation 13
E.1. - Display and input 13
E.2. - Menu sequence and menu structure 14
F. - Parametrisation 15
F.1. - Commissioning help 15
F.2. - Free commissioning 15
F.3. - Calibration 16
1. - Measurement values 17
2. - Statistics 18
2.1. - Operating hours HW 18
2.2. - Heat output 18
2.3. - Graphic overview 18
2.4. - Error messages 18
2.5. - Reset / clear 18
3. - Operating mode 19
3.1. - Automatic 19
3.2. - Manual 19
3.3. - O󰀨 19
4. - Settings 20
4.1. - Tset 20
4.2. - Tmax 20
4.3. - VFS -Type 20
4.4. - Circulation 21
4.4.1. - Circulation 21
4.4.2. - Circ. Tmin. 21
4.4.3. - Circ. hysteresis 21
4.4.4. - Circ. maximum Flow rate 21
4.4.5. - Circulation period 21
4.4.6. - Tap support 22
4.4.7. - Min storage temp 22
4.4.8. - Tap support calibration 22
4.12. - Comfort 22
5. - Protections / Protective functions 23
5.1. - Antilegionella 23
5.2. - Limescale Protection 24
5.3. - Discharge Protection 24
5.4. - Seizing protection 24
6. - Special functions 25
6.1. - Pump menu 25
6.1.1. - Type of pump 25
6.1.2. - Pump 25
6.1.3. - Output Signal 25
6.1.4. - 0-10V o󰀨 / PWM o󰀨 25
6.1.5. - 0-10V on / PWM on 26
6.1.6. - 0-10V Max / PWM Max 26
6.1.7. - Show signal 26
6.2. - Speed control 26
6.2.1. - max. speed 26
6.2.2. - min. speed 26
6.5. - Relay functions for free relays 27
6.5.1. - Circulation 27
6.5.2. - Storage heating 27
6.5.2.1. - Storage heating 27
6.5.2.2. - Tmin storage 27
6.5.2.3. - Tset storage 27
6.5.2.4. - Switch-o󰀨 hysteresis for storage heating 28
6.5.2.5. - Heating times 28
6.5.3. - Storage stratication 28
6.5.4. - AL-heating 28
6.5.5. - Error message 28
6.5.3.1. - Storage stratication 28
6.5.3.2. - ∆T return storage 28
6.5.4.1. - AL-heating 28
6.5.5.1. - Error message 28
6.5.6. - Additional pump 29
6.5.7. - Primary mixer 29
6.5.6.1. - Additional pump 29
6.5.6.2. - Flow rate on 29
6.5.6.3. - Flow rate o󰀨 29
6.5.6.3. - Delay 29
6.5.7.1. - Primary mixer 29
6.5.7.2. - Primary ow min 29
6.5.7.3. - Primary ow max 29
6.5.7.4. - Turn time 29
6.5.7.5. - Pause factor 29
6.5.7.6. - Increase 29
6.5.8. - Solar 30
6.5.8.1. - Solar 30
6.5.8.2. - Tmin collector 30
6.5.8.3. - ∆T Solar 30
6.5.8.4. - Tmax storage 30
6.5.8.5. - Start aid function 30
6.5.9. - Parallel operation V1 31
6.5.10. - Parallel operation V2 31
6.5.11. - Always on 31
6.6. - Relay 2 31
6.5.8.6. - System protection 31
6.5.9.1. - Parallel operation V1 31
6.5.9.2. - Delay 31
6.5.9.3. - Followup time 31
6.7. - Relay 3 32
6.8. - Signal V2 32
6.9. - Pressure monitor 32
6.9.1. - Pressure monitor 32
6.9.2. - RPS1 / RPS2 32
6.9.3. - Pmin 32
6.9.4. - Pmax 32
6.10. - Sensor calibration 32
6.8.1. - Signal V2 32
6.11. - Commissioning 33
6.12. - Factory settings 33
6.13. - Time & Date 33
6.14. - Daylight saving time 33
6.15. - Eco display mode 33
6.16. - Temperature unit 33
7. - Menu lock 34
7.1. - Menu lock 34
7.2. - Expert mode 34
8. - Service values 35
9. - Language 36
Z.1. Malfunctions with error messages 37
Z.2. Replacing the fuse 38
Z.3. Maintenance 39
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