◎ Do not open or remove the front cover when operation. Otherwise it may cause an
electrical shock.
◎Before testing the pump must be installed; can not 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 lines of the pump’s three power
lines.
◎ When the water pump is due to the light shadow, it will restart the operation after 120s.
◎ 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.If a water level probe is not used, the controller terminal must be short.
◎ 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 no residual voltage
before carry out maintenance and inspection, otherwise it may cause damage.
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