Ariston Comfort STI 150 indirect Installation Instructions Manual - Page 11
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Also for Ariston Comfort STI 150 indirect: Instructions For Installation And Use Manual (24 pages), User Manual (16 pages)
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F
. 2.13
IG
2.12
G
W
AS AND
ATER
F
. 2.14
IG
1
2
3
4
5
6
7
8
9
10
11
Supplied By www.heating spares.co Tel. 0161 620 6677
C
IRCUITS
L
:
EGEND
1.
Fan
2.
Main heat exchanger
3.
Overheat thermostat
4.
Burner
17
5.
Ignition electrodes
6.
Detection electrode
16
7.
Regulation thermostat
8.
Frost thermostat
9.
Gas valve
10. Pump pressure switch
11. Safety valve (3 bar)
12. Boiler drain valve
13. Automatic by-pass
14. Pressure gauge
15. Circulation pump with automatic
air release valve
16. Expansion vessel
17. Air pressure switch
15
A. Central Heating Flow
14
B. Inlet Gas
C. Central Heating Return
13
12
11