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English (US)
6.2 Performance* and operation mode selection
* Hydraulic performance without check valve.
TM04 6882 1110
AUTOADAPT
Operating range
(maximum - minimum)
Pos. Description
• Push-button for selection of pump setting
• Every time the push-button is pressed, the circulator setting is changed
III
High Fixed Speed
• Runs at a constant speed and consequently on a constant curve. In Speed III, the pump
is set on the maximum curve under all operating conditions. Quick Vent of the pump
can be obtained by setting the pump to Speed III for a short period.
II
Medium Fixed Speed
• Runs at a constant speed and consequently on a constant curve. In Speed II, the pump
is set on the medium curve under all operating conditions.
I
Low Fixed Speed
• Runs at a constant speed and consequently on a constant curve. In Speed I, the pump
is set on the minimum curve under all operating conditions.
Constant Pressure I
• The duty point of the pump will move left and right along the lowest constant-pressure
curve depending on water demand in the system. The pump head (pressure) is kept
constant, irrespective of the water demand.
Constant Pressure II
• The duty point of the pump will move left and right along the middle constant-pressure
curve depending on water demand in the system. The pump head (pressure) is kept
constant, irrespective of the water demand.
Constant Pressure III
• The duty point of the pump will move left and right along the highest constant-pressure
curve depending on water demand in the system. The pump head (pressure) is kept
constant, irrespective of the water demand.
AUTO
ADAPT
(Factory Setting)
• This function controls the pump performance automatically within the defined
performance range (shaded area). AUTO
ADAPT
will adjust the pump performance to
system demands over time.
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