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YASKAWA iQpump Series Programming Manual page 157

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Figure 1.119
SET-POINT
Friction
P3-14
Compensation
FMAX
P3-13
OUTPUT
FREQUENCY
P3-13
Time
Figure 124
The maximum compensation at Maximum Output Frequency (E1-04) is specified by programming the Maximum Friction Increase at
Maximum Frequency (P3-14).
The Maximum Friction Increase at Maximum Frequency (P3-14) works in conjunction with the Friction Compensation Start Frequency
(P3-13). The units for this parameter are determined by the System Units (P1-02).
Note: This function is only active when the Pump Mode (P1-01) is set to 0.
Example:
If P3-13 = 30.0 Hz, P3-14 = 10.0 PSI, Output Frequency = 45.0 Hz, and Maximum Frequency = 60 Hz, then:
Setpoint Increase = 5.0 PSI
(45.0 - 30.0 Hz) x (10 PSI / (60.0-30.0 Hz)) = 5.0 PSI
157
YASKAWA TM.iQp.02 iQpump Drive Programming Manual

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