◎ Do not open or remove the front cover during operation. Otherwise it may cause an
electrical shock.
◎ Before testing the pump must be installed; you cannot make the pump dry-run for a long
time. In order to test the pump, the maximum dry-run time is not more than 15s
◎ If the pump turning is reversed, it can change any two cables of the pump’s three power
cables.
◎ When the water pump is stopped due to the light shadow, it will restart the operation
after 300s.
◎ If a water level probe is installed in the well, when the water level is below the level of
water shortage, the water pump will stop. If there is no water level probe, it will need to be
short connection of controller’s related terminals. If a water level probe is not used, the
controller’s terminals must be short connected
◎ Only qualified or authorized professional personnel can maintain, replace and inspect
the controller. Otherwise it may cause damage and injury.
◎ Wait at least 10 minutes after the power failure, or make sure that is no residual voltage
before carry out maintenance and inspection, otherwise it may cause damage.
◎ Failing to follow these instructions, which result in damage to the machine, cannot
enjoy the warranty service.
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