High Feedback 1 Value
10,00 [Unit]
5. Set Sensor Full Scale
Sensor Fault Function
Stop
6. Select which operation drive
has to perform when sensor fault
is detected, “Stop” stops the inver-
ter.
3.3.6 Pump protection
Follow steps from 1 to 3 and then proceed as follow.
Setup Selection
Pump Protection
1. Select Pump Protection Setup
Sleep Mode
Enable
2. Select Enable to activate the
Sleep Mode functionality, that
turns off the pump in cases where
there is no flow in the system
Minimum/Sleep Freq.
20.0Hz
3. Set the Minimum/Sleep Fre-
quency
Sleep Delay
1 s
4. Set the amount of time the
pump speed must be at or below
the Sleep Frequency in order to
enter Sleep Mode
No Flow Restart
Difference
0,200
5. Set the difference between the
setpoint and the actual value that
will cause the pump to restart
from Sleep Mode
Minimum Run Time
1s
6. Set the time the pump is forced
to stay on and not enter Sleep
Mode
Minimum Sleep Time
1s
7. Set the time the pump is forced
to stay in Sleep Mode
Flow Check Window
0.00%
8. Set the window around the set-
point where the flow will be
checked. See full Manual for more
information
Flow Check Time
10.0mins
9. Select the time the flow is
checked. See full Manual for more
information
No Water/Loss of
Prime Fault
Disabled
10. Select Enable to protect the
pump against running dry and/or
loss of prime, by monitoring power
at full speed and comparing the
actual power to a preset limit. See
full Manual for more information
Suction Input
Not Set
11. Set the Suction transducer de-
tails. See full Manual for more in-
formation
Set Up Low Suction
Protection Through
Digital Input 27?
Alarm
12. If a Lack of Water device is
connected to Digital Input 27, set
this value to Alarm to enable the
stop of the pump in case the Lack
of Water device is tripped
Low Suction Cut-out
Delay
0secs
13. Set the delay the system waits
before asserting Alarm in case the
Lack of Water device is tripped
Set Up High Suction
Protection Through
Digital Input 29?
Disabled
14. If a High Suction Pressure de-
vice is connected to Digital Input
29, set this value to Alarm to ena-
ble the stop of the pump in case
the High Suction Pressure device
is tripped. See full Manual for
more information
Under Pressure
Function
Off
15. Set the value of pressure for
the activation of the Under Pres-
sure Function. The Under Pres-
sure Function protects the pump
and system by preventing the
pump from running below a speci-
fied low pressure for a specified
amount of time. See full Manual
for more information
Low System Cut-out
Disabled
16. Set Low System Cut-out func-
tionality. See full Manual for more
information
Set Up Pump
Protection Through
Digital Input 19?
No
17. Select Yes if a Pump Protec-
tion device is connected on Digital
Input 19. In case of tripping of the
Pump Protection device the motor
will coast to stop.
Continue to Digital
Input Setup?
Yes
18. Select No to exit
3.3.7 Communication Setup
Follow steps from 1 to 3 and then proceed as follows.
Setup Selection
Communication
1. Select Communication Setup
Protocol
Modbus RTU
2. Select the communication pro-
tocol
Address
1
3. Select the address
Baud Rate
9600
4. Select the Baud Rate
Parity / Stop Bits
Parity even 1 Stop B
5. Select the network configura-
tion
Continue to Maintenance?
No
6. Select No to exit
4 Additional information
4.1 Ramp Control description
System control uses fixed ramps to regulate system variable to follow
setpoint as described below.
Ramps can be set to one of the preset values:
•
Slow
: big pump size
•
Medium
: medium pump size
•
Fast
: small pump size
en - Original instructions
14
Lowara Aquavar
®
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