Swimming pool vacuum release system provides vacuum relief immediately upon entrapment, by allowing air to quickly fill the pump can by shutting it down immediately. The Vacless units act in a period of three minutes the restart and the audible alert. Due to the specifications of the centrifugal pumps, normally installed in swimming pools, spas and whirlpools, they produce vacuum levels, they are designed with an input port in the pump. Once an obstruction occurs in any part of the pump the vacuum is created.
Swimming pool vacuum force will cause the instantaneous displacement of the sealing element causing the air to flow rapidly through channels and thus allowing the pump to release the trap instantaneously. The Vacless models, in addition, will cause a change of limit of sending the signal to the control panel and turn off the circulation pump at the same time.
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The pump turns on and the normal filtration cycle works with 110 VOLT, 220 VOLT or 3 PH of power supply. Upon entrapment, the level of vacuum inside the can creates a differential pressure through the pneumatic seal. The air bears the compression seal until it passes through slots that allow air to quickly fill the cavity, causing the pump to release swimming pool vacuum from entrapment. The full travel occurs in a matter of milliseconds and the trap releases the seal automatically and jumps back to the normal operating position.