50
18.2.7 Removing the heat exchanger
1.
Drain down the boiler;
2.
Carry out step
18.1.1
;
3.
Remove the air gas manifiold as
in 18.2.1 (Fig. 76)
;
4.
Unscrew the three bolts
M
from
the main heat exchanger (Fig.
77);
5 .
Remove the flow and return
pipes and the condense drain
pipe from the heat exchanger.
(Fig. 78)
6.
Remove the heat exchanger
from the boiler by sliding it
forwards. (Fig. 79);
7.
Reassemble in reverse order.
18.2.8 Removing the spark generator
1.
Carry out step
18.1.1
;
2.
Disconnect the earth cable from
the ignition electrode. (Fig. 80)
;
3.
Disconnect the ignition
electrode, live, neutral and earth
cables from the ignitor. (Fig. 81);
4.
Remove the two screws
N
from
the ignitor and remove (Fig. 82);
5.
Reassemble in reverse order.
Fig. 76
Fig. 77
Fig. 78
Fig. 79
Fig. 80
Fig. 81
Fig. 82
M
N
Summary of Contents for Minima HE System 24 Nat
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 ...
