Reassembly The External Panels; Emptying The C.h. System - Biasi Activ A 250V User Manual And Installation Instructions

Fig. 9.3
9.3 Reassembly the external
panels
Side panels
Fit the external panels E and G in the reverse
order to that described on section "Disman-
tling the external panels" to page 73 .
Front panel
• Fit the front panel D , hooking it on the up-
per side.
• Push the spring towards the internal side
of the boiler and simultaneously push the
front case panel D until it is completely
hold in place ( Fig. 9.4 ) step 1-2.
• Repeat the same operation on the op-
posite side of the front panel D , ( Fig. 9.4 )
step 3-4.
• Ensure that the front panel edge is close-
fi tting to the side panels.
• Lock in place the panel D with the appro-
priate screws A ( Fig. 9.1 .
- 74 -
MAINTENANCE
I
G
Fig. 9.4
9.4
• Close the c.h. isolating valves.
• Loosen the central heating drain cock
13 indicated in Fig. 9.5 .
Main circuit drain
Fig. 9.5
E

Emptying the c.h. system

13
CLOSED
pipe
D
OPEN