Biasi M110.24SM/E, Руководство по обслуживанию, Страница: 5 / 48

General access and emptying hydraulic circuits
3
Fig. 2.4
5 Remove the screws
E
and remove the service
panel (Fig. 2.5);
If the external temperature probe (optional) is fitted fol-
low the steps 6 to 9.
6
Remove the screws
F
and remove external tem-
perature probe lid.
E
I
I
F
Fig. 2.5
7 With the help of a screwdriver disconnect the ter-
minal block G (Fig. 2.6).
8 Remove the clamp H that holds the cable.
G H
Fig. 2.6
9 Pass the terminal block connected to the boiler
through the hole of the control panel lid (Fig. 2.7).
Fig. 2.7
10 Remove the screws I and remove the control pan-
el lid (Fig. 2.5);
2.4 Access to the sealed chamber
J
J
Fig. 2.8
To gain access to the parts contained in the sealed
chamber it is necessary to remove the lid of the sealed
chamber.
For this purpose, remove the front and side panels of
the case, remove the screws J as indicated in Fig. 2.8
and remove the lid.
2.5 Emptying the primary circuit
1 Close the c.h. circuit flow and return cocks
K
.
(Fig. 2.9).