3
.
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3
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A
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5
.
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12a) Mode A: CONSTANT PRESSURE
3
.
S
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3
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.
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4
.
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.
9
B
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A
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0
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m
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W
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t
In this point you must enter the nominal consumption of the motor,
F
I
increase or decrease the value using the arrow keys and validating
N
F
with F2 button.
A
A
Note: The nominal consumption is indicated on the name plate of the
motor. You must choose the correct value, for example if you connect
O
K
an inverter MT select the value 230 V and for the inverter TT, select
400 V.
F2
Use the arrow keys to enter the maximum pressure scale of the
F
I
connected pressure transducer.
N
F
This value is indicated on the data plate of the pressure transducer,
A
A
and must always be between 4 and 20 mA.
O
K
Validate this with F2 button.
F2
Use the arrow keys to enter the pressure at which you want the unit
F
I
to work.
N
F
You must take great care that this value is always within the working
A
A
curve of the pump, and always try to avoid the extremes of the curve,
O
K
in other words with flows near 0 or very low pressures.
Validate this with F2 button.
F2
Once you have reached this point, the frequency converter will
F
I
program itself to know when it no longer has any demand for flow
N
F
and should stop. To do this it will ask for help to understand the
features of the installation to which it is connected.
A
A
O
K
F2
If at this time it is detected that the pressure of the installation is equal
F
to or greater than the working pressure, the user will be informed that
N
F
it is necessary to open the water supply of the equipment in order to
reduce the pressure below the working pressure.
A
A
16
EN