GB
ATTENTION: the check valve installed in the pump outlet and in the
Hidromatic inlet can cause some anomalies during the normal working of
Hidroamtic.
Therefore it’s advisable avoiding its installation between the pump and the
device.
4. Attention:
To modify the operating pressure adjustment it is necessary to take the
cover away. Skilful people only must handle that operation, taking care
of the electric-shock risks.
Such pressure adjustment modifies the starting pressure limit of the
pump. The exit pressure of device never increases. The pressure
difference between the operating pressure value – set on the device –
and the maximum pressure of the pumps must be higher than 0,6 bar.
When it is necessary to modify the adjustment:
1_When the higher top is situated at more than 15 mt higher of the
device (max water column: 30 mt).
2_For the applications of the pump in load, that is when the loading
pressure is added up to the pressure of the pump, max. 10 bar.
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