Search found 3 matches

by firetech1
Sun May 05, 2019 4:44 pm
Forum: Fire Alarm Control Panels and its field devices
Topic: Mixing Different Types of Smoke Detector on the Same Initiating Circuit
Replies: 0
Views: 798

Mixing Different Types of Smoke Detector on the Same Initiating Circuit

Conventional initiating circuits for a normal 24VDC fire alarm system operate using basic principles of electricity. The fire alarm panel sends 24 volts of DC electricity out to initiating circuit wires containing initiating devices that cause the fire alarm panel to go into an alarm state when a sh...
by firetech1
Thu Apr 11, 2019 5:44 am
Forum: Smoke and CO Alarms
Topic: Townhouse SA replacement where flow switch triggers the SA
Replies: 0
Views: 13832

Townhouse SA replacement where flow switch triggers the SA

In case you bump into Firex smoke alarms in a townhouse you have a good chance that 120 Volt is used for triggering the other smoke alarms. In this case the electrician run 120 Volt to the normally open contact of the flow switch. When the sprinkler head pops the normally open contact gets closed an...
by firetech1
Tue Feb 19, 2019 1:07 am
Forum: Emergency lighting packs and Exit signs
Topic: test by firetech1
Replies: 0
Views: 582

test by firetech1

test by firetech1