Removal Of The Flow Switch Group And D.h.w. Circuit Filter; Flow Limiter - Biasi Advance Plus 25C ERP Service Manual

D.H.W. FLOW SWITCH, FILTER AND FLOW LIMITER
14 .5 Removal of the flow switch group and
D.H.W. circuit filter
Warning: isolate the boiler from the mains electrici-
ty supply before removing any covering or compo-
nent .
1 Please remove the sensor first as previously described and
ensure it remains dry.
2 Remove the front panel of the case and empty the D.H.W.
circuit.
3 Remove the fork "D" and pull up the flow switch plug "E" (Fig-
ure 14.3) with the help of a screwdriver.
4 To remove the body "4" with the filter from the flow switch
group rotate the flow switch plug "1" (Figure 14.5).
5 Reassemble the parts following the removing sequence in
reverse order.

14 .6 Flow limiter

The Advance Plus 25C ERP model is factory fitted with a 10 li-
tres/min. flow limiter (white).
To install the flow limiter:
1 Remove the flow switch group as explained in the section
"14.5 Removal of the flow switch group and D.H.W. circuit
filter" on page 37.
2 Rotate the flow switch plug "1" to separate it from the body
"4" (Figure 14.5).
rotate
1
3
Figure 14 .5
3 Insert the flow limiter "3" as shown in Figure 14.5.
4 Reassemble the group following the above sequence in re-
verse order.
insert
4
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