OEG CPA-E Serie Mode D'emploi page 46

46
11. Operating modes and performance characteristics
Operating
mode
AUTO
(default-
setting)
BL1
BL2
HD1
HD2
III
II
I
PWM
High-efficiency heating and solar circulation pumps
GB
Characteristic
Between highest
and lowest
proportional -
pressure
characteristic
Lowest proportional
pressure
characteristic
Highest proportional
pressure
characteristic
Lowest constant
pressure
characteristic
Highest constant
pressure
characteristic
Level III
Level II
Level I
Control
CPA-E and CPA-E S PWM series
Features
With AUTO the pump performance will
automatically adapt to the system
requirements within a defined range.
The operating point of the pump will be on the lowest
proportional pressure characteristic depending on the
required flow rate. If the flow rate requirements are
low, the pump will reduce its pressure. If the flow rate
requirements increase, the pressure will increase, too.
The operating point of the pump will be on the
highest proportional pressure characteristic
depending on the required flow rate.
The operating point of the pump is on the lowest
constant characteristic. The pump pressure remains
constant and is independent of the flow rate.
The operating point of the pump is on the lowest
constant characteristic. The pump pressure remains
constant and is independent of the flow rate.
The pump is operating at constant speed and
maximum power. This level can be used to
bleed the pump very quickly.
The pump is operating at constant speed
and medium power.
The pump is operating at constant speed
and minimum power.
If all preconditions are met, the pump will
automatically set night mode.
The pump performance is controlled by an exgternal
PWM signal.
If the PWM signal fails, the previously active mode
will be reactivated.