Ariston Type C - Page 19

19
C
2
3
5
6
7
8
9
10
17
16
18
19
20
4
1
21
A
B
D
E
15
11
12
13
14
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
-
D
.H.W. priority valve (Optional extra)
12
- Non-return valve (integral to Jig Kit)
13 - Filling loop (integral to Jig Kit)
14 - Indirect cylinder expansion vessel
15 - Expansion relief valve
16
-
Dr
ain v
alv
e
17
-
Automatic By-pass
18 - Circulation pump with automatic
air release valve
19
-
Expansion v
essel
20
-
Centr
al heating return temperature probe
21
- Air pressure switch
FIG.
2.14
27/32 RFFI SYSTEM