Xylem HYDROVAR smart, Operating Instructions Manual

Page: 24 / 128

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7.14 Setting of the sensor range
SENSOR RANGE
20mA = 10.0Bar
Setting of the maximum value of the measuring
transmitter, which corresponds to
20mAe.g. 10.0 bar = 20mA of the pressure transmitter
Adjustable ranges: Bar: 0.2...100 bar; psi 2.9...1450psi;
m3/h: 4...2400m3/h; g/min: 9...10560g/min
mH2O: max 1019,5mH2O; ft: max 3345ft
0...100 %; or without unit: max 1000;
Press
¾
on the Hydrovar-
Smart
to change to
7.15 Operation Mode
MODE:
Controller
Select your required Mode by using the
Ï
and
Ð
buttons
If only one HYDROVAR -Smart pump is in operation set the Controller . If more than one
pump work together via the RS485 interface (follow-up pump control), the Multicontroller
must be set with the buttons
Ï
or
Ð
.
Synch. Controller:
The Synchronous Controller mode is working in the same way like the Multicontroller. The
only difference is, that all pumps in a multipump system are running at the same
frequency.
Actuator:
The Actuator application is only used if you have another external controller. Then the
internal controller is shut off, and the output frequency is proportional to the input signal
(X1/2)
⇒ 4-20 mA = 0 - f
max
. The outgoing signal changes with the programmed ramps 1
and 2. The functions of low water, thermal protection and external ON/OFF are still
working.