4-238
Diagram of sleep stop alternative selection action
Note:
A. Dual pumps are enabled during this time. Higher operation pressure occurs, Master keeps
operation and Slave output frequency decreases.
B. Master operation frequency maintains 60Hz. If water pressure doesn’t decrease to the target
constant pressure and Slave continuously decreases to the set trip frequency (23-22), Slave
detection time (23-30) starts and Slave decelerates to stop.
C. If milder water consumption and higher water pressure occur and Slave operation command is
in sleep status, Master output frequency decreases to let the water pressure be in constant
status when the detection time (23-30) is over.
D. When Master operation frequency decreases to the sleep frequency of constant pressure
(23-10), Master will decrease to stop, water consumption is continuously mild and water
pressure will reduce slowly.。
E. When water consumption stops, Master jumps into sleep and the pressure remains the same.
and Slave’s detection time (23-30) starts.
F. When the detection time (23-30) is over, shift operation stops and virtual Master starts to
become Slave. The inverter operates in constant pressure under the target pressure value.
23-35 Selection of Multiple Pumps Shift Operation
Range
【0】: No function
【1】: Timer Alternative Selection
【2】: Sleep Stop Alternative Selection
【3】: Timer and Sleep Stop Alternative Selection
【4】: Multiple Pumps Test Mode
23-35=1, the Master and Slave of multiple pumps in parallel will be exchange, after the
switching time of multiple pumps in parallel.。
23-35=2, when the Master and Slave of multiple pumps in parallel are both in sleep mode, and
after the detecting time (23-30), the Master and Slave of multiple pumps in parallel will be
exchange. Every time the multiple pumps start, the exchange will be processed. Please refer to
the diagram of sleep stop alternative selection action.
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