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PSP20 Pool Pump Automatic Shut Off Panel using Emotron M20 Virginia Graeme Baker Pool & Spa Safety Act: The Act requires, In single drain installations, public pools and spas must have additional secondary devices or systems designed to prevent suction entrapment. Compliant "Secondary Devices" include an automatic shut-off device, gravity drainage system, Safety Vacuum Release System (SVRS), suction -limiting vent system. (IV) AUTOMATIC PUMP SHUT-OFF SYSTEM - An automatic pump shut-off system. An automatic pump shut-off system would be a device that could sense a drain blockage and shut off the pump system. Guidelines: Guidelines have been produced by the National Pool and Spa Institute, the National Swimming Pool Foundation and the US Consumer Products Safety Commission to identify and address potential entrapment hazards in swimming pools, spa's and hot tubs. These guidelines include design standards and equipment that should be incorporated into every swimming pool, spa and hot tub. Emotron strongly recommend that these guidelines be reviewed and acted upon. Warnings:& To be compliant with ASME for SVRS all check valves and hydrostatic relief valves must be removed from the pool circulation system to achieve full suction blockage relief benefit. Consult a pool professional prior to removing any check valves or hydrostatic relief valves. Removing these valves without consulting a pool professional could lead to equipment damage. Secondary entrapment defection devices such as the Emotron PSP20 are intended to defect a drain suction blockage. These devices are not intended to detect hair or other partial blockages. To be compliant with the Virginia Graeme Baker Act an ASTM approved drain cover must be installed to prevent hair clothing or physical entrapment. The Emotron PSP20 is not designed to prevent evisceration type injuries. The PSP20 Is designed to be used as pad of a "layers of protection" solution. All ASTM recommendations and limitations should be utilizedwith respect to this device. When the PSP20 Is in the 30 minute 'Backwash' or the 3 minute 'Extended Prime' mode no protection for entrapment can be given. During these modes it is imperative for swimmers safety that no swimmers be allowed to enter the pool. When carrying out the PSP20 Autoset procedure to establish the trip characteristics of the unit it Is essential that the pump is in a normal running mode with the pump fully primed and all any suction valves and discharge valves in the normal operating position. Ensure that on completion of installation the'Tesl Procedure' described in this manual is carried out to prove operation prior to swimmers being allowed to enter the pool.