INVT CHV160A Series - Page 135

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start-up mode, such as Star-Delta step-down start, Auto coupling step-down start and soft
start, so as to reduce impact on pipe network and power network system.
3: Dedicated dormant pump
When dormancy conditions are fulfilled, the system will be on the dormancy running
status, and start the dormancy grid-frequency pump to maintain the pressure of pipe
network.The dormancy pump won’t be running until the system exits dormancy status.
4: Dedicated dredge pump
It is a grid-frequency pump, when waterlevel of Sewage-pool control function is enabled,
and water level sensors are installed correctly, system will start and stop of sewage pump
according to the detected water-level signals (which are).
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CHV160A series special inverter for water supply
Function
Code
Name Description
PUMP ADD
Setting
Range
Factory
Setting
P8.10
TOLERA
0.0~30.0% 0.0~30.0 10.0%
P8.11 PUMP ADD FREQ P8.16~P0.07 P8.16~P0.07 50.00Hz