27
installation
Water Circuit Diagram
Legend:
1. Fan
2. Main Heat Exchanger
3. Overheat
Thermostat
4. Central Heating Flow Temperature Probe
5. Burner
6. Ignition
Electrodes
7. Gas
Valve
8. Secondary
Exchanger
9. Safety
valve
10. Domestic Hot Water Temperature Probe
11. Automatic By-pass
12. Drain valve
13. Central Heating Filter
14. D.H.W. Flow Switch
15. Diverter valve
16. Pressure Gauge
17. Modulating Circulation Pump with air release valve
18. Detection electrode
19. Expansion
vessel
20. Central Heating Return Temperature Probe
21. Air
Pressure
Switch
A B
C
D E
1
3
2
4
9
11
10
12
13
14
15
16
17
19
18
20
21
8
5
7
6
A
C
E
1
3
2
4
11
9
12
16
13
17
19
18
20
21
5
7
6
Fig. 34
Fig. 35
A Central Heating Flow
B Domestic Hot Water Outlet
C Gas
Inlet
D Cold
Water
Inlet
E Central Heating Return
Содержание Clas 24 FF
Страница 23: ...23 installation WIRING DIAGRAM FOR CONNECTION TO AN OPEN VENTED CYLINDER ...
Страница 24: ...24 installation WIRING DIAGRAM FOR CONNECTION TO AN MTS UNVENTED CYLINDER ...
Страница 57: ...57 maintenance guide 4 BURNER UNIT Burner unit ...
Страница 64: ......
Страница 67: ......