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2 Boiler Specification

Instructions for installation and servicing ecoMAX8

2.5 Functional diagrams

Fig. 2.4 Functional diagram ecoMAX 800/2, 835

1 Air duct

2 Main heat exchanger

3 Burner

4 Condensate trap

5 Temperature sensor (NTC 1)

6 Temperature sensor (NTC 2)

7 Automatic air vent

8 Circulating pump

9 DHW heat exchanger

10 Temperature sensor (NTC 3)

11 Automatic bypass valve

12 CH flow service valve

13 Domestic hot water outlet

14 Gas service valve

15 Cold water inlet

16 CH return service valve

17 Pressure relief valve

18 Aqua sensor

19 Diverter valve

20 Pressure gauge

21 Main ON/OFF control

22 Boiler display

23 Electronic box

24 Gas valve

25 Fan

26 Expansion vessel

27 Expansion vessel charging valve

28 Flue gas duct

Fig. 2.5 Functional diagram ecoMAX 600/2, 635