Pump Control Quick Guide
5
QUICK GUIDE
PUMP CONTROL
frequency inverter is able to control single or multiple pumps in mono-regulated or multi-
regulated configuration. Several control schemes may be built as shown below:
The necessary digital outputs will vary depending on the control type has been chosen (OPC-F1-RY
optional card may be necessary).
Necessary
digital outputs
Do we need the
optional relay card
installed?
Explained in…
Single pump control
0 NO CHAPTER 1
Single pump control consists of 1 pump exclusively controlled by the frequency inverter
MONO-REGULATED PUMP CONTROL
up to 6 pumps (Mono-joker)
Necessary
digital outputs
Do we need the
optional relay card
installed?
Explained in …
1 auxiliary pump
(On-Off control)
1 NO
2 auxiliary pumps
(On-Off control)
2 NO
3 auxiliary pumps
(On-Off control)
3 NO
4 auxiliary pumps
(On-Off control)
4 NO
CHAPTER 2
1
regulated
Pump
+
4 auxiliary
pumps
(On-Off
control)
+
1 additional
pump
(On-Off
control)
5 NO CHAPTER 3
Mono-regulated pump control consists of 1 pump exclusively controlled by the frequency inverter and
multiple auxiliary pumps working in On-Off control mode.
Additional pump is added / removed depending on the regulated pump speed and if auxiliary pumps are all
enabled or not.
MULTI-REGULATED PUMP CONTROL
up to 4 pumps (Multi-joker)
Necessary
digital outputs
Do we need the
optional relay card
installed?
Explained in …
2 regulated pumps
4 NO
3 regulated pumps
6 YES
CHAPTER 4
3 regulated pumps +
1 additional pump
(On-Off control)
7 YES CHAPTER 5
Pumps working on Multi-regulated mode are all inverter driven.
Additional pump is added / removed depending on the regulated pump speed and if others are also enabled
or not.
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