Grant Solar GS222020X - Default Chapter; Table of Contents

A. - Safety instructions 4
A.1. - EC declaration of conformity 4
A.2. - General instructions 4
A.3. - Explanation of symbols 4
A.4. - Changes to the unit 5
A.5. - Warranty and liability 5
B. - Description of controller 6
B.1. - Specications 6
B.2. - Temperature resistance table
for Pt1000 sensors 7
B.3. - About the controller 7
B.4. - Scope of supply 7
B.5. - Disposal and pollutants 7
C. - Installation 8
C.1. - Electrical connection 8
C.2. - Wall instalion 9
C.3. - Installing the temperature
sensors 11
D. - Terminal connection 12
D.1. - Terminal connection
diagram 12
D.2. - Hydraulic variants / systems 13
E. - Operation 17
E.1. - Display and input 17
E.2. - Commissioning help 18
E.3. - Free commissioning 18
E.4. - Menu sequence and menu
structure 19
1. - Measurement values 20
2. - Statistics 20
2.1. - Operating hours 20
2.2. - Heat output 20
2.3. - Graphic overview 20
2.4. - Message log 20
2.5. - Reset/clear 20
3. - Operating modes 21
3.1. - Automatic 21
3.2. - Manual 21
3.3. - Off 21
4. - Settings 22
4.1. - Tmin S (X) 22
4.2. - Tmin S5 22
4.3. - Priority S (X) 22
4.4. - ∆ T Solar S (X) 22
4.5. - Tmax S (X) 22
4.6. - Priority S3 22
4.7. - ∆ T Solar S3 23
4.8. - Tmax S3 23
4.9. - Priority S4 23
4.10. - ∆ T Solar S4 23
4.11. - Tmax S4 23
4.12. - Tmax S3 23
4.13. - Tmax SB 23
4.15. - T-priority 23
4.14. - Tmax SB WT 23
4.16. - Loading time 23
4.17. - Increase 24
5. - Protections / Protective
functions 24
5.1. - System protection 24
5.2. - Collector protection 24
5.4. - Recooling 25
5.5. - Frost Protection 25
5.6. - Seizing protection 25
5.7. - Collector alarm 25
6. - Special functions 26
6.1. - Program selection 26
6.2. - Pump menu 26
6.2.1. - Type of pump 26
6.2.2. - Pump 26
6.3. - Speed control R1 / R2 27
6.3.1. - Modes 27
6.3.2. - Purging time 27
6.3.3. - Sweep time 27
6.3.4. - max. speed 28
6.3.5. - min. speed 28
6.3.6. - Setpoint 28
6.6. - Speed control R1 / R2 28
6.4. - Speed control R1 / R2 28
6.6.1. - Solar bypass 29
6.6.2. - Thermostat 30
6.6.3. - Thermostat 2 31
6.6.4. - Cooling 32
6.6.5. - Return ow increase 33
6.6.6. - Collector eld cooling 34
6.6.7. - Anti Legionella 35
6.6.8. - Heat transfer 36
6.6.9. - Difference 37
6.6.10. - Solid fuel boiler 38
6.6.11. - Error message 38
6.6.12. - Pressure monitor 39
6.6.13. - Booster pump 39
6.6.14. - Parallel operation R (X) 40
6.6.15. - Always on 40
6.6.16. - Heating circuit 40
6.7. - Speed control R1 / R2 40
6.8. - Speed control R1 / R2 40
6.9. - Heat quantity 41
6.9.1. - Constant ow 41
6.9.2. - VFS (X) 42
6.10. - Pressure monitor 42
6.10.1. - Pressure monitor 42
6.11. - Sensor calibration 43
6.12. - Commissioning 43
6.13. - Factory settings 43
6.14. - Start aid function 43
6.15. - Time and date 44
6.16. - Daylight saving time 44
6.17. - Sleep mode 44
6.18. - Temperature unit 44
6.19. - Network 44
6.19.1. - Access Control 44
6.19.2. - Ethernet 44
7. - Menu lock 45
8. - Service values 45
9. - Languages 45
Z.1. Malfunctions with error
messages 46
Z.2 Replacing the fuse 47
Z.3 Maintenance 48
J. - Appendix 49
J.19.1. - Pump 49
J.19.2. - Output Signal 49
J.19.3. - PWM off 49
J.19.4. - PWM on 49
J.19.5. - PWM Max 49
J.17.3 - 0-10V off 49
J.17.4 - 0-10V on 49
J.17.5 - 0-10V Max 49
J.19.6. - Speed when „On“ 49
J.19.7. - Show signal 49
Table of content