6
Technical features and dimensions
1.3 - HYDRAULIC CIRCUIT
R
F
G
M
C
fig. 2
DUA plus 30 µ tank
1
2
3
4
6
5
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
25
24
26
27
28
23
29
1 Three way motorised diverting valve
2 Pressure switch against lack of water
3 Boiler safety valve
4 Diverting valve actuator
5 IBurner injectors
6 Ionisation probe
7 Ignition electrode
8
Main heat exchanger
9 Room sealed combustion chamber
10 Micro-accumulation tank(4L)
11 Micro-accumulation temperature sensor
12 Extraction fan
13 Microswitch of the smoke pressurestat
14 Safety pressureswitch of smoke circuit
15 Air intake and smoke evacuation duct
16 Boiler expansion tank valve inflation
17 Boiler expansion tank 10 Lt.
18 Safety thermostat
19 Ignition electrode
20 Flow temperature sensor
21 Air vent
22
Pump with built-in automatic air vent
23 By-pass
24 Modulating gas valve
25 Boiler draining valve
26 Domestic Hot Water flow restrictor
27 Filtre
28 Volumetric counter
29 D.H.W. temperature sensor
M Heating flow
C D.H.W. outlet
G Gas supply
F D.C.W. inlet
R Heating return
