6
2 Boiler Specification
Instructions for installation and servicing ecoMAX
6
2.2 Dimensions
Fig. 2.1
2
Hanging bracket
3
Heating–system return
5 Gas connection
7
Heating–system flow
2.3 Boiler connections
2.2 Boiler connections
2.4 Functional diagram
Fig. 2.3 Functional diagram ecoMAX 635
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
10 Automatic bypass valve
12 CH flow service valve
14 Gas service valve
16 CH return service valve
17 Pressure relief 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
28
27
26
2
4
5
6
7
8
10
12
3
1
25
24
22
23
21
20
17
16
14
Ø22
Ø22
25
33.5
100
100
Ø 15
750
703
150
79
Ø15
113
190
480
800
2
100
450
7
Ø 20
100
100
Ø 20
5
3
7
Ø 20
20
R 1
/2
180
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Summary of Contents for ecoMAX 635
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