54
18.3.9 Removing the water pressure switch
1.
Carry out steps
18.1.1 and 18.3.1
;
2.
Pull off the connections and remove the pressure
switch by releasing it’s securing clip
(see Fig. 98)
.
Fig. 98
18.3.8 Removing the pressure gauge
1.
Carry out steps
18.3.1 and 18.3.3
;
2.
Remove the pressure gauge by releasing the two
clips
V
and pulling the pressure gauge out. (
see
Fig. 97
)
Fig. 97
V
18.4
Access to the Control System
18.4.1 Removing the P.C.B.s
Fig. 99
Fig. 100
Fig. 101
Fig. 102
W2
W1
W3
3.
Release the three clips
W2
and remove the
electrical box cover (s
ee Fig. 100)
;
1.
Carry out steps
18.1.1
and
18.1.2
;
2.
Remove the screw
W1
from the electrical box (
see
Fig. 99
);
5.
Remove all electrical connections from the display
PCB (see
Fig. 101
);
4.
Remove the two screws
W3
from the front control
panel and lower the front control panel (see
Fig.
101
);
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 ...