Beretta MySmart 28 C.S.I. Installer And User Manual page 17

IMPORTANT
If the 3 (5 metres) or 4 (4 metres) curves are set the bypass must
be replaced with the one supplied, following the procedure indicated
below:
Remove boiler electrical power by setting the system's main switch
to off.
Close the system taps and empty the boiler heating circuit.
Extract the bypass body cover fixing spring (D).
Extract the bypass body cover (E).
Replace the bypass valve (F) with the one included.
Refit the bypass body cover and its spring.
D
F
E
6 METRES DISCHARGE HEAD
600
550
500
450
400
350
300
250
200
150
100
50
0
0 100 200 300 400
System capacity [l/h]
7 METRES DISCHARGE HEAD
700
650
600
550
500
450
400
350
300
250
200
150
100
50
0
0 100 200 300 400
System capacity [l/h]
Modulation area
500 600 700 800 900 1000
Modulation area
500 600 700 800 900 1000 1100
Eventual releasing of the circulator shaft
Insert a screwdriver in the hole (1) of the circulator
Press (a) and turn the screwdriver (b) until the release of the
crankshaft.
Perform this operation with extreme caution to avoid damag-
ing the components.
500
450
400
350
300
250
200
150
100
50
0
0 100 200
1100 1200
400
350
300
250
200
150
100
50
0
0 100 200
1200 1300
a
1
5 METRES DISCHARGE HEAD
Modulation area
300 400 500 600 700 800
System capacity [l/h]
4 METRES DISCHARGE HEAD
Modulation area
300 400 500 600 700
System capacity [l/h]
MySMART C.S.I.
b
900 1000 1100 1200
800 900 1000
17