Water Circuit Diagram - Ariston ALTEAS ONE Net Series Installation And Servicing Instructions

INSTALLATION
BEFORE THE DEVICE IS USED, FOR THE
FIRST TIME THE TRAP MUST BE FILLED
WITH WATER.
The siphon is fi lled with water during
deaeration procedure of the boiler (or heating
system) - see p. 32
Ensure that the siphon contains water; if not, it
must be refi lled. Open the manual air vent (2)
on the main exchanger until complete fi lling.
Check again the system pressure on the
pressure gauge.
WARNING!
INSUFFICIENT WATER IN THE TRAP CAN
TEMPORARILY CAUSE THE FLUE GAS TO
BE EXPELLED INTO THE SURROUNDING
AMBIENT AIR
16 /

Water circuit diagram

1
3
4
7
8
9
10
12
11
A B
1. Air relief valve
3. Main Heat Exchanger
4. Detection/Ignition electrode
5. Central Heating Return Temperature Probe
6. Central Heating Flow Temperature Probe
7. Gas Valve
8. Secondary Exchanger
9. Safety valve
10. Automatic By-pass
11. Drain valve
12. Condensate Trap
13. Filling loop
14. Central Heating Filter
15. D.H.W. Flow Switch
16. Diverter valve
17. Pressure Gauge
18. Water pressure sensor
19. Modulating Circulation Pump with air release
valve
20. Expansion Vessel
21. Modulating Fan
C D E
21
20
19
18
17
16
15
14
13