PELLET STOVES Chapter 7
INSTALLATION AND USE MANUAL
page 74
Electrical diagrams Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited
7.2. VERSION THAT PRODUCES DHW
MOTHERBOARD WIRING KEY
1. Control panel
2. Flow switch (if there is one)
3. Water temperature probe
4. Ambient probe
5. Smoke probe
6. Power supply
7. Spark plug
8. Smoke ejection fan
9. Pump
10. Water temperature overload cut-out
11. Gearmotor
12. Tank temperature overload cut-out
13. Room fan (if there is one)
14. ----------------------------------------
14.1 3-way DHW boiler
14.2 3-way heating
14.3 3-way COM.
15. Anomaly signal (N.O., max 230V 3A)
16. Smoke extractor fan revolutions control
17. External aux signal (N.C., max 230V 3A)
18. Air flow rate sensor
19. Home automation system
20. Room thermostat with potential-free contact
21. Modem
PLEASE NOTE The electrical wiring of individual components is fitted with prewired connectors with different
sizes.
