4.2 Overview and main components
14
10
4
15
13
7
12
3
fig. 17 - Overview
1 Gas inlet
2 Cold water inlet
3 Domestic hot water outlet
4 Sealed chamber
5 Fan
6 Combustion chamber
7 Burner assembly
8 Copper exchanger
9 Combustion gas collector
94
EN
2 16
1
10 Flue gas outlet collector
11 Flow switch
12 Gas valve
13 Ignition and detection elec-
trode
14 Exhaust diaphragm
15 Double sensor
(safety + DHW)
16 Flow regulator
cod. 3541S170 - Rev. 02 - 06/2019
4.3 Hydraulic circuit
4
5
9
15
8
6
8
7
12
11
fig. 18 - Hydraulic circuit
1 Gas inlet
2 Cold water inlet
3 Domestic hot water outlet
4 Sealed chamber
5 Fan
7 Burner assembly
8 Copper exchanger
SKY ECO F
10
3
1
2
9 Combustion gas collector
10 Flue gas outlet collector
11 Flow switch
12 Gas valve
15 Double sensor
(safety + DHW)
5
9
11