Jump to content
Security Installer Community

Thorn System 1700


Recommended Posts

Working with an old conventional thorn system 1700, Cant remeber what the end of line values for sounder and zone circuits are. Anyone able to enlighten me?

Should have a manual for it somewhere gathering dust - will try to check it out later.

Allen

Link to comment
Share on other sites

Working with an old conventional thorn system 1700, Cant remeber what the end of line values for sounder and zone circuits are. Anyone able to enlighten me?

is measuring a correctly terminated circuit too easy ?

Mr th2.jpg Veritas God

Link to comment
Share on other sites

Sounder circuits 22k Ohm

Zone circuits 4k7 Ohm

Regards,

Kieron

Hi Kieron glad to see you posting on here.Are you on here most evenings or just now and then? Pete

Peter Robinson

Freelance

M:07889038650

Link to comment
Share on other sites

Archived

This topic is now archived and is closed to further replies.

  • Recently Browsing   0 members

    • No registered users viewing this page.
×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.