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0325

0325 FRQ. LIFT

30.0 Hz

Frequency limit for required lift value

Possible settings: 0.0 Hz – 70.0 Hz

Control according to a system curve (increase of the set pressure, depending upon the

delivery rate or speed to cover friction loses).

The setting determines the output-frequency where the set pressure starts to be increased.

The right setting should be equal to the frequency when the pump reaches the set pressure

at zero flow. (Shout off level can be found out by using the JOG MODE [0305])

0330

0330 LIFT AMOUNT

0.0 %

Lift amount for required lift value

Possible settings: 0.0 – 200.0%

This value states how much the set value should be continually increased, till the maximum

speed (maximum volume) is reached.

Application example:

1) Enter the set pressure (see main menu

parameter REQ. VAL[02])

2) Find out the frequency where set

pressure is reached at zero demand

(use JOG MODE [0305]) and set the

value in parameter FREQU. LIFTING

3) Set desired lift at maximum speed in %

of the set pressure in the parameter

LIFT-AMOUNT [0330].

A … set pressure

B … window

C … lift intensity in % of set pressure

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ITT HYDROVAR Series Specifications

General