IBO BETA 2 - Dependency between Pump Settings and Its Operating Parameters

31
Dependency between pump settings
and its operating parameters
Setting
Pump operating
parameters curve
Function
AUTO
(factory settings)
From the highest to the
lowest curve of
proportionate pressure
characteristics
- The AUTO function controls the pump eciency automatically in
the specied range.
- It adjusts the pump eciency depending on the system size;
- It adjusts the pump eciency according to the load change for
a certain period of time;
- In the AUTO mode, the pump is set for the proportional pressure
control mode.
PP1 / PP2
Curves of proportionate
pressure
The operating point will move up and down along the
proportional pressure curve depending on the demand of the
system ow: when the ow demand decreases - the water pump
pressure drops; whereas when he energy demand increases - it
increases.
CP1 / CP2 Curves of constant pressure
The operating point of the pump moves forward and backward
o the constant pressure curve according to the system demand.
The water pump pressure remains constant, it has no relation to
the ow demand.
I / II / III
Curves of constant rotary
speed
HS (1-3), the pump is set for the maximum curve in all operating
conditions. If the pump is set in the HS3 mode, the pump will be
vented quickly.