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 Safety Vacuum Release System - Stingl

 

Link to Stingl website
 



SR-500 Brochure
 Features and Benefits Sheet
Complete Install Data On Stingl Website
Link to Heath / Building Inspection Docs


 

Click To Enlarge
sample installation diagram
click to enlarge
 


 Optional Remote Alarm
 No Longer Available


The Model SR-500 ( for single body of water ) is a Safety Vacuum Release System (SVRS) which 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 pump operation and activate an audible alarm. The pump will remain off with the alarm sounding until manually reset.
 

Features and Benefits:

Complies with 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
Can act as pool controller with programmable timer, or as stand alone SVRS working in conjunction with existing pool controller
Newest state-of-art NEC microprocessor technology-- guaranteed reliability and performance
Vacuum monitored 128 times per second -- rapid response and accurate readings
Power monitored 50/60 times per second -- insures continuous power detection
Integrates with existing timer box - ( for easy retrofit )
Low vacuum sensing - ( prevents cavitations or running the pump dry, eliminating costly equipment failure )
30 minute maintenance override - ( for pool or spa service )
Easily accessible extra dry contacts – auxiliary equipment can be readily added
Power back-up – insures settings and reading will be saved ( 30 minute rapid recharge )
Display error readout - ( prevents guessing during troubleshooting )
Works on all size pumps
Easy and trouble free installation - ( no pipes to cut or glue )
Turns off pump in milliseconds upon detecting sudden vacuum change
Has a built in internal alarm which is very loud
Multiple audible alarm capabilities – allows for quicker alert to harmful situations
Provides a layer of protection, reducing entrapment risk
 

Options Available:

Emergency Stop Button ( special order )
Remote indoor or outdoor audible alarm and flashing light
 
Stingl Switch
H2O # Manf. # Description
4440050 SR-500

Safety Vacuum Release System for single body of water
A pool/spa ( shared equipment ) Model SR-500PS is also available on special order

A couple of things to note are the following:

No Check Valves
ALL check valves must be removed from the influent and effluent sides of the filtration system. Check valves, in conjunction with the SVRS, can cause residual vacuum to remain on a line in an entrapment situation. It is important that all check valves be removed from the system before installation of the SR-500.

No Spring Loaded Hydrostatic Relief Valves in Main Drain Sumps
Spring-loaded hydrostatic relief valves must be removed and replaced with solid plugs. A spring-loaded check valve in the main drain sump can interfere with operations for the SR-500 (or any SVRS.) In an entrapment situation, the spring-loaded
check valve can open, causing the SR-500 to trip later than normal, or not at all.
 


 No Longer Available
The Optional Remote Alarm is available to alert pool and spa attendants and others that the SR-500 Stingl Switch has been activated. The alarm - which features a red light and a sounding device - is suitable for both inside and outside use and can be installed at any distance.
 
Optional Accessory
H2O # Manf. # Description
4440058 SR-RA

Commercial Remote Alarm  No Longer Available


 

 

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