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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.
23-73 Slave Wake-up Selection
Range
【0】Disable
【1】Enable
When multiple pumps are in parallel and the requirements of slave wake-up can not be achieved in
tolerance range, user can set parameter 23-73=1 and refer to the following conditions to wake up Slave.
1. Master is in full speed operation (01-02 maximum output frequency) but pressure feedback value can
not achieve the target pressure value.
2. Slave is forced to start after 30 seconds + time of (23-30) (even if the requirement of sleep to wake-up
is not achieved and the pressure feedback value is under the tolerance range of constant pressure)
and keeps operations to achieve the target pressure value.
3. It is required to follow the formula (the set method 1) and refer to the following diagram to set the
wake-up requirements.
0201
2223
1400
3023
----------------------- set method 1
23- 22
T
00-14
01-02
加速時間1
副機跳脫頻率
最大輸出頻率
1400
0201
3023
2223
1400
0201
3023
2223
1400
0201
3023
2223
NG
F
當23-22(副機跳脫頻率)設定值太大
或23-30(並聯輔助打水偵測時間)太
短，會使副機進入休模式，使之設定
失效。
Diagram of requirements for waking up Slave
Maximum Output Frequency
Slave Disconnect Frequency
Acceleration Time
When the 23-22 (Slave Disconnect Frequency) setting
value is too high or 23-30 (Parallel Start Pump Detection
Time) is too short, it will make the Slave enter the Sleep
Mode, to make the setting ineffective.
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