53
Fig. 93
Fig. 96
Fig. 95
Fig. 94
18.3.5 Removing the expansion vessel
18.3.6 Removing the overheat thermostat
1.
Carry out step 18.3.1;
2.
Isolate the gas supply and disconnect all pipe
connections;
3.
Remove the boiler from the wall
4.
Unscrew the nut
U
(see Fig. 97)
;
1.
Remove the casing as in step
18.1.1
;
2.
Pull off the thermostat connections. Then
remove the thermostat from the pipe by
releasing it’s securing clip
(see Fig. 99)
.
18.3.7 Removing the temperature sensors (N.T.C’s)
1.
Remove the casing as in step
18.1.1
;
2.
Pull off the NTC connections. Then remove
the NTC from the pipe by releasing it’s
securing clip
(see Fig. 100)
.
5.
Pull the expansion vessel to remove it
(see Fig. 98)
;
6.
Reassemble in reverse order.
U
Summary of Contents for COMBI A 24 MFFI
Page 19: ...19 1 2 A A Fig 14 Fig 16 Fig 13 11 Installing the Boiler continued Fig 15 P P ...
Page 22: ...22 Fig 21 Fig 22 Fig 23 ...
Page 31: ...31 WIRING DIAGRAM FOR CONNECTION TO AN OPEN VENTED CYLINDER DIAGRAM B ...
Page 32: ...32 WIRING DIAGRAM FOR CONNECTION TO AN MTS UNVENTED CYLINDER DIAGRAM A ...
Page 61: ...61 24 Benchmark Commissioning Checklist ...
Page 62: ...62 25 Service Interval Record ...
Page 63: ...63 ...