What are stages of alarm of BANWAS ?

Security

The means of selecting the Operational Mode and the duration of the Dormant Period (Td) shall be security protected so that access to these controls should be restricted to the Master only.

Malfunctions, alarms and indications

If a malfunction of, or power supply failure to, the BNWAS is detected, this shall be indicated. Means shall be provided to allow the repeat of this indication on a central alarm panel if fitted.

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