Autronica - Model BN-221/01 - Extinguishing Control Unit - Datasheet

Unit for monitoring and control of extinguishing equipment. IP67. For AutroSafe/AutroSafe IFG only. Note that the extinguishing control application requires feedback within 10 seconds after the release of the extinguishing media to avoid a faulty release message. The unit has two monitored inputs: Input A: extinguishing media. Input B: trigger gas. If the system does not have trigger gas, input B can be disabled by connecting a 2k resistor on the terminals. In addition, the unit has one monitored relay output.