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Stingl SR-500 Safety Vacuum Release System (SVRS)
SR-500 Stingl-safety vacuum release systems. A safety vacuum release system (SVRS) works by monitoring the vacuum on the suction side of the pool or spa pump. When a blockage occurs in the main drain or skimmer, a sudden rise in vacuum will cause the SR-500 to shut down and activate an audible alarm. The pump will remain off with the alarm sounding until manually reset. Commercial and residential uses are swimming pools and spas, fountains, ponds, any pump size. Provides an important layer of protection, reducing entrapment risk. Turns off pump in milliseconds upon detecting sudden vacuum change. Vacuum monitored 128 times per second, rapid response and accurate readings. Power monitored 50/60 times per second, insures continuous power detection. Newest state-of-art NEC microprocessor technology-guaranteed reliability and performance. Warning alarm: multiple audible alarm capabilities - allows for quicker alert to harmful situations. Auxilary contacts: accessible extra dry contact - auxiliary equipment can be added. Equipment protection: low vacuum sensing - (prevents cavitations or running the pump dry, eliminating costly equipment failure). Scheduling: programmable 24 hour timer, or as stand-alone SVRS working in conjunction with existing pool controller. Power outage backup: insures settings and reading will be saved, 30 minute rapid recharge. Maintenance override: 30 minute maintenance override - (for pool or spa service). Built-in diagnostics: displays error codes, prevents guessing during troubleshooting. Easy retrofit: integrates with common existing timer box trouble free installation, no pipes to cut or glue. Compliance: ASME/ANSI 112.19.17 as required by the International Building Codes (IBC) and the International residential Codes (IRC). Meets all current codes and standards for SVRSs on new and existing pools and spas. Enclosure: plastic indoor/outdoor NEMA 3R with lockable hasp.