Savio 20/1 MFS User Manual page 41

Servicing instructions
7 loosen the outlet connector of the main heat exchanger;
8 remove fork " C"which holds the connecting pipe to the main
heat exchanger and move the pipe away from the water devi-
ation body;
9 disconnect the pressure gauge connecting pipe by removing
the fork " D"which attaches the pipe to the volute (scroll);
10 remove the cable ties;
11 slide the rubber hoods and disconnect the electric connector
" E" ;
12 disconnect the connectors on the d.h.w. flow switch and slide
the cable away from the water unit;
13 remove the protective cap on the pump pressure switch and dis-
connect it;
14 completely loosen the three connectors " F"(c.h. return, c.h.
flow, d.h.w. inlet);
15 remove the two screws " G" which attach the support bracket for
the water unit to the chassis;
16 keep the cables away from the unit and gently lift the water unit
to release it from the chassis;
17 remove the water unit downwards;
18 reassemble in reverse order.
To reassemble correctly the electric wires and connectors look at the
wiring diagram in sect. 8.1 or at the diagram stuck on the inner cover
of the control panel.
rev. 17.09.93
D
C
G
F F F
E
G
39