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Les langues disponibles
Les langues disponibles
Keeping all the drawing valves closed:
Press
MAN
key to enable MANUAL operation unit.
Press key (10):
Pump n. 1 will start; check that the circuit pressure reaches the maximum value.
Press key (10)
If not, repeat the filling operations of the collection of aspiration to the pump.
Repeat the operation on the other pump.
Automatic Starting of the unit:
Refers to FIGS. 1 – 2 - 3
After having forced pressure into the unit through the manual driving of the pump, cut the voltage of the
switchboard by bringing the general switch to 0 (OFF).
From then on, the unit will automatically work according to the quantity of water withdrawn by its use.
Change of the working pressure.
Our units are set and tested during manufacture and the working pressure is set up according
to the characteristic curve of the motor pumps used.
It is however possible to modify the working pressure value by changing the setting of the
pressure switch used
WARNING
WARNING
26
to stop the pump and check the rotation direction of the same pump.
The values of pressure switch calibrations must be
between the minimum and maximum working pressure
levels foreseen for the pump used in the unit and
reported on the plate applied to the pumps themselves.
The switchboard automatically reverses the starting
order of the pump each time a working schedule is
terminated:
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