16
3.3 Internal Parts Of The Boiler
2
16
4
5
6
12
14
25
9
28
11
1
4
8
11
22
14
10
6
7
20
21
27
24
28
12
1
18
9
23
19
16
2
3
17
15
5
25
13
26
LEGEND
1. PRIMARY CONDENSING HEAT EXCHANGER
2. PREMIX BURNER UNIT (GAS MA BURNER)
3. CONDENSATE DRAIN PIPE
4. IONISATION ELECTRODE
5. IGNITION ELECTRODE
6. FAN
7. VENTURI
8. IGNITION TRANSFORMER
9. ELECTRONIC GAS VALVE
10. 3 BAR PRESSURE RELIEF VALVE - HTG CIRCUIT
11. AUTOMATIC AIR VENT VALVE
12. HEATING SAFETY THERMOSTAT
13. HEATING SENSOR
14. PUMP WITH AIR VENT
15. WATER PRESSURE SWITCH
16. FLUE HOOD
17. SAFETY THERMO FUSE
18. EXPANSION VESSEL
19. D.H.W. SENSOR
20. CONDENSATE TRAP
21. WATER PRESSURE GAUGE
22. SYSTEM DRAIN VALVE
23. CONDENSATE DRAIN PIPE
24. 3-WAY VALVE
25. ROOM SEAL CHAMBER BACK SIDE
26. FILLING TAP
27. ELECTRONIC FLOWSWITCH
28. DHW EXCHANGER
Содержание SERADENS SRD 20
Страница 1: ...SERADENS SRD 20 27 36 PREMIX CONDENSING BOILER INSTALLATION OPERATING and MAINTENANCE INSTRUCTIONS...
Страница 2: ...Code No A 1 4 3 Publishing Date 241109 Revision Date 241109...
Страница 31: ...31 80 48 5 313 48 5 111 5 187 111 5 80 163 137 122 106 131 SRD 36...
Страница 65: ...65 7 8 Troubleshooting...
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