Worcester Greenstar Ri Manuel d'instructions télécharger pdf (Page 50)

ELECTRICAL WIRING DIAGRAM

1. ST1, Terminal block, 230VAC mains supply.

1a. Control box earth connection.

2. Fuse F1 (T2A, H250V).

3. Boiler mains supply on/off switch.

4. Spark transformer.

5. Flame indicator.

6. ST2, Terminal block for pump & switched live.

7. Transformer connectors.

8. ST5, Fan 230VAC.

9. ST6, Diagnostic interface.

10. Indicator lamp for power supply.

11. ST7, Code plug.

12. S2, Service mode selector switch

13. ST8, No connection.

14. Temperature control and lockout reset.

15. ST9 connector

16. Flame sense electrode,

Pin 1 = green.

17. Primary NTC sensor,

Pin 4 = red, Pin 5 = red.

18. Solenoid valve 1,

Pin 6 = blue, Pin 7 = blue.

19. Solenoid valve 2,

Pin 8 = violet, Pin 9 = violet.

20. Flue overheat sensor,

Pin 11 = orange.

21. High limit stat, (wired in series with flue overheat

sensor & blocked flue protection sensor).

22. Blocked flue protection sensor,

Pin 12 = orange.

23. Fuse F2 (T1.25A, H250V).

Mains Supply

1617

19 18

PUMP L

PUMP N

BOILER SWITCHED LIVE

INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR Ri

8 716 115 168a (06/2008)

ELECTRICAL WIRING DIAGRAM

FAULT FINDING

& DIAGRAMS

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 56

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Worcester Greenstar Ri Manuel d'instructions Page 50

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