Title: +038=542.001-OS011._02-Previdia Max Brannsentral Nortek Instalasjonsveiledning.pdf
This function is identical to the “Hold” function but refers to mechanical or electrical intervention (for example, a door contact that inhibits gas discharge, etc.). This activation will be signalled separately. If activated during stand-by, it will not generate a fault warning.MAN.-EXTThis input is for the connection of one or more manual call points for the activation of extinguishing-agent discharge.VALVEOutput for the connection of the electrovalve which discharges the extinguishing agent.It will activate only when the pre-extinguishment time expiresHOLDOutput for the connection of lock- extinguishment signalling devices.It will activate when the extinguishing channel is locked by one or more inputs connected to a “STOP-EXT” input.PRE-EXTOutput for the connection of a signal relating to imminent discharge of the extinguishing agent.It will activate during the pre-extinguishment time which runs before the discharge of the extinguishing agent.RELEASED