Xylem Fixed speed booster sets programming manual/Electr Manual do Utilizador descarregar pdf (Página 39)

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4 SENSOR F.S. Sensor full scale: this is defined by

the type of sensor chosen.

Pressure

0-10 bar

0-16 bar

0-25 bar

0-50 bar

Level

Ultrasound: 0-15 m

Piezometric: 0-10 m

Temperature

-200 + 850 °C

Flow

DN80 3.62-181 mc/h

DN100 5.65-283 mc/h

DN125 8.84-442 mc/h

DN150 12.7-637 mc/h

DN200 22.6-1131 mc/h

DN250 35.3-1727 mc/h

0-10 bar

0-16 bar

0-25 bar

0-50 bar

Ultras 0-15 m

Piezom 0-10 m

0-10.00 bar

5 LACK OF WATER Device used to check low level/low

pressure with

probes/float/minimum pressure

switch connected to the dedicated

terminals HIGH (22), LOW(23) and

COM(24).

NO PROBES

PR.SW/FLOAT SW

THREE PROBES

PR.SW/FLOA

T SW

6 PROBES SENSIVITY Regulating probe sensitivity

according to water conductivity.

5-100 kOhm 50 kOhm

7 FEEDBACK Setting the analog signal used as

system feedback.

If AI1 or AI2 is selected, in case of a

sensor fault feedback is

automatically provided by the

alternative sensor.

AI1

AI2

AI1/AI2

Regulating probe sensitivity

Regulating probe sensitivityRegulating probe sensitivity

Regulating probe sensitivity

Regulation is obtained by setting the sensitivity value. For a new regulation, proceed as follows:

Check that the water level covers the probes.

Ensure that L.O.W. AL.DELAY is set at zero.

Vary the sensitivity level slightly until the red “LOW WATER” led is lit and the respective alarm message

appears.

Slightly increase the numerical value of sensitivity until the red “LOW WATER” led goes out.

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