Ariston UNO Installation Instructions Manual - Page 14
Browse online or download pdf Installation Instructions Manual for Boiler Ariston UNO. Ariston UNO 17 pages. Wall-hung combination boiler
Print Page2.12
W
C
ATER
IRCUIT
F
. 2.15
IG
1
2
3
4
5
6
7
8
9
D
IAGRAM
10 11
12
L
:
EGEND
1.
Air Pressure Switch
2.
Fan
3.
Main Heat Exchanger
4.
Main Circuit Temperature Probe (Flow
Sensor)
18
5.
Burner
6.
Detection Electrode
7.
Ignition Electrode
8.
Pressure Gauge
9.
Safety Valve
10. Secondary Heat Exchanger
11. Gas Valve
17
12. D.H.W. Flow Switch
14. Boiler drain valve
16
15. Motorised Diverter Valve
16. Automatic By-pass
17. Circulation Pump with Automatic
15
Air Release Valve
18. Expansion Vessel
14
A. Central Heating Flow
B. Domestic Hot Water Outlet
C. Inlet Gas
D. Domestic Cold Water Inlet
E. Central Heating Return
SI017A
14