Modify fire detection and alarm system by fitting magnetic hold-back to door
Modify fire detection and alarm system by fitting magnetic hold-back to door
Action must be taken to control the ….. door, which appears to be often held open. If you are unable to ensure that the door is able to self-close, employ a competent person to fit a magnetic hold back device to the door, connected to the fire detection and alarm system. The installation to be able to hold the door open against its self-closing device, but release the door in the event of the system detecting a potential fire. The door, when released, to fully close against its stop
Modify fire detection and alarm system by fitting magnetic hold-back to door
https://plumobsidian.github.io/p/915939b47ef749fdbe7ff1296a3053a5/