Reassembly The External Panels; Emptying The D.h.w. System; Emptying The C.h. System - Biasi M300V.2025 SM User Manual And Installation Instructions

G
F
Fig. 10.8
Control panel
Remove screws "I" and turn the controls
panel "J", as shown in figure Fig. 10.9, to
access in an optimal manner the compo-
nents inside the boiler.
I
Fig. 10.9
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MAINTENANCE
E
H
D
J
10.4 Reassembly the external
panels
Side panels
Fit the external panels "E" and "G" in the
reverse order to that described on section
"Dismantling the external panels" on page
77.
Front panel
• Fit the front panel "D" in the reverse order
to that described on section "Dismantling
the external panels" on page 77.

10.5 Emptying the D.H.W. system

• Turn off the D.C.W. .inlet isolating valve 8
(Fig. 10.10).
4
8
Close
position
Fig. 10.10
• Turn on the hot water taps and any drain
cocks.

10.6 Emptying the C.H. system

• Close the C.H. isolating valves (4 and 10
in Fig. 10.10).
• Loosen the central heating drain cock 9
10