Technical Notes

Technical Notes from United Fire Systems
  1. April 2018 – Technical Note UFS-18-02B – We have also experienced numerous instances of electricians trying to wire additional horn strobes to our Boston-version Standpipe-Pacs, and missing things or causing damage that requires a service call.  What we have come to realize is that most of the electricians performing this work have limited low-voltage experience, and may never have worked on fire alarm before. Technical Note UFS-18-02B has been created to address these issues and provides step-by-step instructions that can help electricians perform this work properly. Click here to learn more…
  2. January 2018 – Technical Note UFS-18-02N – We have experienced numerous instances of electricians trying to wire additional horns to Standpipe-Pacs, and missing things or causing damage that requires a service call.  What we have come to realize is that most of the electricians performing this work have limited low-voltage experience, and may never have worked on fire alarm before. Technical Note UFS-18-02N has been created to address these issues and provides step-by-step instructions that can help electricians perform this work properly.  Click here to learn more…
  3. January 2018 – Technical Note UFS-18-01 – Last month, we issued Technical Note UFS-17-07 regarding operation of Standpipe-Pac in cold weather.  Further discussion with several technicians identified that far too many dry standpipe installations are not set up for proper drainage, both of naturally-occurring condensate and water used for hydrostatic testing.  Technical Note UFS-18-01 provides information for installers and inspectors to make sure a main drain is installed and used on the dry standpipe, and also information on setting up a condensate drain near the Standpipe-Pac outlet. Click here to learn more…
  4. December 2017 – Technical Note UFS-17-07 – This Technical Note has been released to make users aware of some difficulties involving the operation of Standpipe-Pac in cold weather and to provide important information for users during these cold weather periods. Click here to learn more…
  5. May 2017 – Technical Note UFS-17-05 – This Technical Note has been released in hopes to clarify some of the misunderstandings regarding the supervisory pressure requirements for standpipe systems in New York City and addresses how Standpipe-Pac provides compliance. Click here to learn more…
  6. February 2017 – Technical Note UFS-17-03 – This Technical Note covers sprinkler air and nitrogen requirements in NFPA Standards. Provide this Technical Note to any user that has questions about sprinkler air and nitrogen requirements in NFPA Standards. Click here to learn more…
  7. January 2017 – Technical Note UFS-17-01 covers oil “leakage” from Nitrogen-Pac™ M Series Compressor / Tank Assemblies (CTAs).  Provide this Technical Note to any user that has a concern about oil appearing on or around their CTA – UFS-17-01 Rev 1.00 Technical Note – NITROGEN-PAC Oil-Filled CompressorsUFS-17-01
  8. January 2017 – Technical Note UFS-17-02 covers condensate drainage from Nitrogen-Pac™ systems. Provide this Technical Note to any user that has questions about draining the condensate from their Nitrogen-Pac™ system, including what to do if a pump is needed – UFS-17-02 Rev 1.00 Technical Note – NITROGEN-PAC Condensate DrainageUFS-17-02
  9. October 2015 – Standpipe-Pac Technical Note Regarding Lessons Learned About Temperature & Required Maintenance – UFS-15-02 Rev 1.01 – Technical Note – STANDPIPE-PAC Lessons LearnedUFS-15-02
  10. January 2015 – Standpipe-Pac Technical Note Regarding Location, Inspection, and Maintenance – UFS-15-01 Rev 1.00 – Technical Note – STANDPIPE-PAC Location, Inspection & Maintenance
  11. December 2013 – Victaulic Company Technical Service Bulletin regarding inspection of the Firelock NXT Deluge and Preaction Actuated Valves – Series 769 (All Sizes) – UFS-13-01 Rev 1.00 – Technical Note – Victaulic Technical Service Bulletin
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