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Pump release.
If after a long period of inactivity, the circulator is blocked, adjust the screw in the centre of the head in order to manually release the mo-
tor shaft.
Take great care during this operation to avoid damage to the motor.
Bypass Regulation (Ref. 26 Fig. 51):
The appliance leaves the factory with the bypass open.
If necessary, the by-pass can be regulated to system requirements from minimum (by-pass closed) to maximum (by-pass open).
Adjust using a flat head screwdriver, turn clockwise and open the by-pass, anticlockwise it is closed.
The bypass ensures minimum circulation of the water in the appliance and its correct operation if the systems are divided into
more than one zone.
Head available to the Victrix Maior 28 system
80
1
70
60
2
50
3
Y1
40
4
30
20
10
0
0
6
200
400
600
5
800
1000
1200
80
70
60
50
Y2
40
30
20
10
0
1400
49
61
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