Xylem HYDROVAR smart, Operating Instructions Manual

Page: 36 / 128

36
Press
¾
on the Hydrovar- Smart to change to
7.25 Analogue output 1
ANALOG OUT 1
Frequency
Determines the source of the output signal (0-
10VDC on terminals X9/5 and X1/11
Selection possible over the
Ï
and
Ð
buttons:
Æ
Setting Frequency : At terminal X9/5 there is the 0-10VDC output of the speed signal for
the connected VFD; At terminal X1/11 the 0-10VDC output corresponds to the actual value
input signal on X1/2.
Æ
Setting Actual value: The source for the 0-10VDC signals are vice versa.
Standard setting = Frequency!
Press
¾
on the Hydrovar- Smart to change to
7.26 Unit
DIMENSION UNIT
Bar
Adjustable units: bar, psi, m 3 /h, g/min, ft, mH2O,
% or without unit can be changed with
Ï
or
Ð
.
Press
¾
on the Hydrovar- Smart to change to
7.27 Automatic test run
TEST RUN
after 100 h.
Adjustable between 10...100 operating hours.
The timer for the automatic test run starts at every motor stop. After the motor is not
running for the set time, the automatic test run starts:
The HYDROVAR- Smart starts the pump and ramps up with ramp time 1 up to the set
TEST Frequency, runs at this frequency for 1 second and stops the pump, by ramping
down with ramp time 2.
Because the timer is updated only hourly, the can be a tolerance of this automatic test
run timer of about 1 hour!
The automatic test run can be deactivated by holding the
Ï
button and press the
Ð
button
shortly together.
-> deactivated is shown in the 2 nd line .
To reactivate the automatic test run, you have to press the
Ð
button.
The automatic test run is only active, when the HYDROVAR-Smart is not switched off
over the external release signal (X1/4 and X1/5) or the OFF button on the display
unit!
But the internal timer is running also, when the HYDROVAR- SMART is stopped and the test
run timer will start again internally, either the HYDROVAR- Smart has done the test run or
not.
Press
¾
on the Hydrovar- Smart to change to