Fire Alarm Speaker Wiring Diagram. Indicating appliance circuits connect the fire alarm panel to the components which alert building occupants of the fire ie bells horns speakers strobe lights etc. Speaker wiring shall meet current code requirements and manufacturers specifications and have.
1 alarmsense installation guide general alarmsense is a range of conventional detection and alarm products designed to be con nected to the same pair of supply wires. The only difference between a horn circuit and a speaker circuit is that the horn circuit is fed 24 volt power when theres an alarm and the speaker is fed amplified audio like any distributed sound system when theres an alarm. On the pair landed on the speaker only speakers up or downstream as far as the eye can see.
Contractor shall provide fire alarm shop drawings to include the following per nfpa 72.
Connect the speaker as shown in figure 1. Connect speaker lines to tb1 5 6 observe polarity and ensure all speakers are connected likewise. This sheet numbering is divided into ranges reflecting the type of device or. The details of the wiring evolve with general evolution of the control unit and field devices.