Schematic Diagram - System For Heating And Domestic Hot Water - Ferroli 0RGZ3AXA Installation, Use & Maintenance Manual

8.

ScheMaTIc dIaGraM - SYSTeM for heaTInG and doMeSTIc hoT WaTer

The choice and installation of the system components is up to the installer, who must operate according to good practice and the current
Legislation. Systems with antifreeze require the use of backflow preventers. Remember that the diagram in Fig. 24 is a schematic diagram.
In case of different systems, please contact our After-Sales Service which will provide all the elements you require.
24
23
10
9
22
19
8
T3
1
5 5
11
legend
T1 Heating delivery
T2 High temperature return
T3 Low temperature return
T4 Expansion vessel connection
1 Heat generator
2 Burner complete with shutoff and control valves
3 Hot water tank
4 System manifolds
5 Disconnecting valves
6
Circulating pump
7
Non-return valves
8
System expansion vessel
9 Automatic vent valve
10 Safety valve
11 Softener filter
12 System loading
13 Fuel shutoff valve
EN
76
5
7
6
5
4a
5
26
25
19
27
T2 T4 T1
cod. - Rev. 00 - 08/2017
5
6
5
5
4b
5
6
20
A.C.
2
A.C.
13 15
28
29
13 14 16 17 15
fig. 24
14 Gas pressure stabilizer
15 Manual shutoff valve
16 Gas filter
17 Vibration-damping coupling
18 Pump
19 Pressure gauge
20 Safety thermostat
21 Control thermostat
22 3-way valve
23
Manual reset pressure switch
24
Flow switch
25
Control thermostat
26 Manual reset thermostat
27 Temperature test well
28 Oil supply
29 Gas supply
TP3 COND
20
19
7
3
21
10
7
5
19
AC
18
RC
15
AF