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Ramp settings:
• Time setting of the Ramps influence the control of the pump and shouldn’t be changed
at standard operation.
• The fast Ramps 1 and 2 are determined by the type (power) of the HYDROVAR and the
type of the pump.
(Default = 4 sec.; depending on the power of the HYDROVAR they should be increased
up to 15s for higher power ratings)
,
• The Ramps 3 and 4 determine the speed of the internal HYDROVAR controller and
depend on the system, which has to be controlled. (Default = 70 sec.)
• The Ramps FminA and FminD are used for a fast start-up and shut off time. These
parameters especially should be used for applications where pumps or other devices are
powered, which shouldn’t work below a determined frequency for a certain time. (to
prevent damages or decrease abrasion)
To adjust the Ramps, press ▲ or ▼
Set HYSTERESIS [0315] in %
set rated REQUIRED VALUE [02]
WINDOW [0310]
setting in % of
the required
FMIN TIME
[0260]
Set HYSTERESIS [0315] in %
MIN FREQ: [0250]
RA: Ramp Fmin Acceleration Actual Value
RD: Ramp Fmin Deceleration Output Frequency
R1: Ramp 1 – speed ramp fast increase
R2: Ramp 2 – speed ramp fast decrease
R3: Ramp 3 – speed ramp slow increase
R4: Ramp 4 – speed ramp slow decrease
Time
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