46
18.2 Access to the Combustion Chamber
D
Fig. 49
Fig. 50
Fig. 51
Fig. 52
Fig. 53
Fig. 54
Fig. 55
Fig. 56
Fig. 57
E
18.2.1 Removing the air gas assembly
1. Isolate the gas supply to the boiler;
2. Carry out step 18.1.1;
3. Remove the silencer (Fig. 49);
9. Remove the air gas assembly and
combustion chamber front (Fig. 57);
10. Reassemble in reverse order.
4. Disconnect the detection electrode
cable (Fig. 50);
5. Remove the earth cable from the
ignition electrode (Fig. 51), and
remove the ignition electrode cable
from the ignitor (Fig. 52)
6. Unplug the gas valve and fan connectors (Figs. 53 and 54);
7. Unscrew the 4 nuts D on the
combustion chamber (Fig. 55);
8. Unscrew the gas valve nut E
(Fig. 56);
Содержание Benchmark System A 24 RFF
Страница 18: ...18 1 2 A A Fig 13 Fig 15 Fig 12 11 Installing the Boiler continued Fig 14 P P ...
Страница 21: ...21 Fig 20 Fig 21 Fig 22 162 ...
Страница 30: ...30 WIRING DIAGRAM FOR CONNECTION TO AN OPEN VENTED CYLINDER DIAGRAM B ...
Страница 31: ...31 WIRING DIAGRAM FOR CONNECTION TO AN MTS UNVENTED CYLINDER DIAGRAM A ...
Страница 60: ...60 ...
