Motor speed, motor amps, float position and elapsed run time are monitored to determine whether a sump pump is in a normal condition, a jammed condition, an inadequate pumping rate condition, a dry running condition or a stuck float condition. A processor is configured to increase the motor ...
A simple installation provides a pump control float switch that turns on the backup pump only water in the pumping chamber reaches a level above that normally handled by the primary sump pump. This approach provides both pump backup and the ability to handle surges in building water entry loads...
Zoeller S5 Series Dewatering Sump Pumps说明书 Model Discharge Amps Max Solid Max GPM / GPH No.HP Volts Diameter @ 10ЈHandling Head @ 10Ј S30331/311511/2Љ 4.07/8Љ30Ј503000S30501/21152Љ 4.37/8Љ33Ј653900S310011152Љ11.513/4Љ52Ј925520S50331/311511/2Љ...
One technique uses a float valve to sense if the water is too high, signalling that the mechanism controlling the pump has malfunctioned. The other is a current monitor that senses if the sump pump has been running too long (caused by the sump’s water sensor getting stuck in the on ...
performance range, which lengthens the lifetime of pumps. Rotate the impeller from the suction side after installation. Disassemble the pump and find out the reasons if there is friction or stuck pump. The pump installation can be divided into three types,...
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tripped breaker in electrical panel, blown fuse or tripped / failing GFCI outlet if used for circuit protection not responding floating switch (blocked / stuck in “down” position, damaged) damaged / jammed house sump pump impeller broken impeller shaft ...
The amount of water in the sump pit may be too much for the sump pump to remove. If the pump is overwhelmed, it may be damaged. Switch failure When the water lifts the float ball, the float switch activates. Switch failure occurs when the float ball is stuck and is not activated by...
Sump pump normal operation: if the sump pump does not run when water lifts the float switch, or if the water level is high in the sump pit and the sump pump is not running, the system needs repair. The problem could be a clogged sump discharge line, stuck check valve, a failing or...