
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6
RIGHT PANEL
1. Connections for matching pin
2. EC analog output
3. pH analog output
4. Level sensors input
5. Mains power fuse
6. Fuse for pH and EC correction dosing pumps
7. Fuse for Water nozzle relay
8. Fuse for Feeding pump
9. Fuse for Circulation pump
10. Fuse for Alarm relay
11. Feed OK output
12. Connections for external fill switch
13. Irrigation start
14. Mains power transformer
15. Humidity sensor input
16. Power input
17. pH and EC pumps output
18. Water nozzle output
19. Feeding pump output
20. Circulation pump output
21. Alarm output
1. LCD for Conductivity readings
2. EC SET button
3. EC slope adjustment trimmer
4. EC MEAsure button
5. Alarm LED
6. Reset button
7. LCD for pH readings
8. pH slope adjustment trimmer
9. pH offset adjustment trimmer
10. Acid / Base selector switch
11. pH MEAsure button
12. pH SET button
13. FILL button
14. Feed OK LED
15. EC setpoint knob
16. EC pump LED
17. pH pump LED
18. Water nozzle LED
19. Feed pump LED
20. pH setpoint knob
21. Circulation pump LED
FUNCTIONAL DESCRIPTION
22. RUN/STOP switch for Circula-
tion pump
23. Timer knob
24. Timer mode selection switch
25. BNC connector for pH electrode
26. DIN connector for EC probe
LEFT PANEL