Speed Control - Xylem Lowara AQUAVAR IPC Guia De Inicio Rapido

Multi-pump Control
Multi Master MulCtl
Pump Address
1
Application Type
Constant Pressure
Pressure Control Units
bar
Ramp Time
Fast
Regulation Band
20%
Number of Pumps
2
Number of standby pumps
0
Would you like to Autoset
the rest of the settings?
Yes
Setpoint
3,5 bar
Constant Pressure
Default Values Loaded
(See IOM)
[OK]
Start-Up Genie Complete
Press [OK] to Exit

3.3.4 Speed Control

Example for Constant Speed applications with external Analog Control
Signal.
Speed Control allows
the speed to be
controlled by an
external source. A
Start Signal on DI 18
is needed to start
and stop the pump.
[OK]
Speed Reference Source
Analog Input 53
®
Lowara Aquavar QUICK START GUIDE
1. Select Multipump operation
from the list below. Refer to the
full manual for details.
• Fixed Speed Follower
• Multi Master Synch
• Multi Master MulCtl
2. Select Pump Multi-pump ad-
dress from 1 to 4.
3. Selectable applications are
Constant Pressure, Flow Control
and Level Control. Refer to the full
manual for details.
4. Select Pressure Control Unit.
5. Select Ramp Time. Refer to
Ramp Control description on page
14 for details.
6. Set desired pressure regulation
band for Double Ramp Control
Logic. Refer to Ramp Control de-
scription on page 14 for details.
7. Select Number of Pumps, from
two to four.
8. Select Number of Standby
Pumps.
9. Select Yes to Autoset the rest
of the settings. Refer to Autoset
Parameters Extract on page 15 for
details.
10. Set desired setpoint.
11. Default Value Loaded press
OK to continue.
12. Programming Completed, se-
lect OK to Exit from Start-up Gen-
ie.
1. Acknowledge that speed con-
trol will require a start and stop
signal on Digital Input 18.
2. Select your Analog Input refer-
ence source.
Be sure to configure
the DIP switch under
the keypad to match
the feedback type -
Set I for current
(mA) and U for
voltage feedback. Do
NOT change the DIP
switch position while
the drive is powered
up. [OK]
Terminal 53 Low
Ref./Feedb. Value
0.000
Terminal 53 High
Ref./Feedb. Value
50.0
Min Speed Reference
0 Hz
Max Speed Reference
50 Hz
Continue to Pump
Protection Setup?
Yes
Sleep Mode
Enable
Minimum/Sleep Speed
20.0 Hz
Sleep Delay
1 s
Wake-up Speed
30.0 Hz
Continue to the Pump Protection menu to set the remaining pump pro-
tection options, or press the Back button to exit the Genie.
3.3.5 Feedback Setup
Follow steps from 1 to 3 and then proceed as follows.
Setup Selection
Feedback
Control Feedback Sources
1
Feedback 1 Source
Analog Input 53
Low Feedback 1 Value
0,0 [Unit]
en - Original instructions
3. Acknowledge that your DIP
switch is properly set and proceed
with the down arrow. Analog input
on terminal 53 allows only 4-20
mA. The DIP switch acts only on
analog input on terminal 54 that is
defaulted to 0-10 V.
4. Input your minimum and maxi-
mum reference speeds. (example
in case of 4-20mA signal, 4mA =
0,0 Hz and 20mA = 50,0 Hz)
5. Input your minimum and maxi-
mum speed references. See Speed
Control External Analog Signal detail
on page 15 for details.
6. Select YES for pump protection
setup.
7. Select Enable to let the pump
stop below Minimum/Sleep Speed
value.
8. Select the Minimum/Sleep
speed frequency value. Below this
value the pump will stop.
9. Select the Sleep Delay value in
seconds.
10. Select the Wake-up Speed.
Above this value the pump will
start.
1. Select Feedback Setup
2. Select number of feedbacks of
your system (1 if you have only
one sensor for each inverter)
3. Select the analog input where
the sensor is connected
4. Set minimum of sensor scale
13