Ariston Type C - Page 18

18
2.12. WATER CIRCUIT DIAGRAM
AB C DE
2
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
4
1
20
LEGEND:
1- Fan
2
-
Bur
ner
3
-
Ignition/detection electrode
4 - Air release valve
5 - Main heat exchanger
6
-
Centr
al heating flo
w temper
ature probe
7
-
Condensate
Trap
8
- Gas valve
9 - Pressure gauge
10
-
Saf
ety v
alv
e
11
-
Secondar
y heat exchanger
12
- Domestic hot water temperature probe
13 - Drain valve
14 - Domestic hot water flow switch
15
-
Motor
ised v
alv
e
16
-
Automatic By-pass
17 - Circulation pump with automatic
air release valve
18
-
Expansion v
essel
19
-
Centr
al heating return temperature probe
20
- Air pressure switch
FIG. 2.14
27/32 MFFI