To Drain The Main Circuit Of The Boiler - Savio 20/1 MFS User Manual

Servicing instructions
Removing the sealed chamber cover
To open the sealed chamber remove the front panel and the right
panel of the case then turn the four clamps as indicated and remove
the cover.
When replacing the sealed chamber cover ensure that the seal is
made good. If adjustments is needed this can be done by adjusting
the clamps.
Opening the combustion chamber
1 Remove the four screws " D" ;
2 rise the panel and remove it.
6.3

To drain the main circuit of the boiler

1 Close c.h. flow and return cocks;
2 open the main circuit drainage cock indicated;
3 to speed drainage remove the front panel and the right panel of
the case, the sealed chamber cover (sect. 6.2) and then open
the manual vent cock placed near the main heat exchanger inlet
connector.
24
rev. 17.09.93
D
D
D
D