Gas And Water Circuits; Storage Cylinder; Port And 3 Port Valve Installations - Ariston microSYSTEM 15 RFFI Installation Instructions Manual

2.13 G W
AS AND ATER
F . 2.14
IG
1
2
3
4
5
6
7
8
9
10
11
3. D.H.W. STORAGE
CYLINDER
3.1 2 3
PORT AND
I
NSTALLATIONS
2 port valve installation
F . 3.1
IG
C
IRCUITS
The microSYSTEM can be connected to a storage cylinder (both open-vented and
unvented) for the production of domestic hot water (D.H.W.). Cylinders of different
capacities can be used depending on site requirements (see T
selection of ARISTON unvented cylinders).
V
PORT ALVE
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
C. Inlet Gas
13 E. Central Heating Return
12
3 port valve installation
F . 3.2
IG
13
3.1 for a
ABLE