4-305
When pressure feedback value is larger than the target value, output frequency (Fout) decreases.
Relay 1 is power off when the output frequency reaches to the lower limit frequency (00-13) and Fout
time is over than the duration of lower limit frequency (24-04).
Figure 4.4.125 Diagram of decreasing pump in 1 to 3 Relay modes
T1 = 24 -04 Duration of Lower
Limit Frequency
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