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8
Sabre Volumetric Dosing Electronics Instructions
1A. Duo - Terminal Assignment & Diagram (2 Group)
1. 1st main voltage terminal. The phase is usually connected here (L1)
2. 2nd main voltage terminal. The neutral conductor is usually connected here (L2)
3. + Supply to all flowmeters (+)
4. Pulse input flowmeter # 2.
5. Pulse input flowmeter # 1.
6. Earth to all flowmeters (-). Ground to frame
7. Common tea/set. Common return line for the tea key and the Set/Operation switch
8. Set / Operation switch Terminal.
9. Hot water key Terminal. Input of the tea key. The return line is connected to terminal 8
10. Level Probe High. Input from the Level probe to control the water level into the boiler.
11. Earth Terminal. Ground to Frame
12. Level Probe Low.
13. Not Used.
14. Common lead for contact assemblies. (L1)
15. Pump Control Terminal. To the pump relay
16. Group 2 Control Terminal. Relay contact to the solenoid of group 2
17. Group 1 Control Terminal. Relay contact to the solenoid of group 1
18. Steam Level High Probe. Relay contact to fill solenoid
19. Hot water Control Terminal. Relay contact to hot water solenoid.
20. Steam Level Low Probe. Relay contact to element cut out relay
21. Not Used.