4-240
When 23-37=0.0 (sec), switch off this function.
When pump is at shutdown state, pressure will drop over time if pipeline leaks. Inverter will
keep sleep state if pressure variation is lower than the value of parameter 23-38 in every
detection time (23-37) and pump will restart if pressure variation is larger than that of 23-38 or
pressure tolerance range is over the value of parameter 23-39 in the detection time.
Properly adjust the relevant leakage detection parameters 23-37, 23-38 and 23-39 to improve
the condition of frequenct pump start and stop caused from the dropping pressure of water
system due to leakage.
Function of leakage detection is enabled only in the setting of single pump.
23-71 Maximum Pressure Setting
Range 【0.10 ~ 650.00】PSI
23-02 (Operation pressure setting) is limited by 23-71 (Maximum pressure setting). 23-71 is
limited by 23-03 (Maximum Pressure of Pressure Transmitter)
23-72
Switching Time of Alternation in Parallel
Range
【0】: Hour
【1】: Minute
When 23-72=0, parameter 23-29 will be in the unit of hour.
When 23-72=1, parameter 23-29 will be in the unit of minute.
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