afriso GS 1.1 Notice Technique page 31

Product description
EN
4 Product description
Gas alarm unit GS 1.1
The gas alarm GS 1.1 unit is an alarm unit for wall mounting. It comprises a
gas sensor and the evaluation electronics.
The gas alarm unit GS 1.1 consists of a housing (two parts), a PCB with sup-
ply unit, a horn, an integrated sensor and the connection terminals. The gas
alarm unit GS 1.1 is equipped with an internal alarm memory.
Gas alarm unit GS 2.1
The external gas sensor GS 4.1 can be connected to the gas alarm unit
GS 2.1 as a second measuring point. The gas alarm unit GS 2.1 is equipped
with an output relay.
The gas alarm unit GS 2.1 detects line interruptions and short circuits in the
connection to the external gas sensor. A common alarm relay is available for
both measuring points. With the gas alarm unit GS 2.1 and the gas sensor
GS 4.1, it is possible to monitor two measuring points in different rooms for
gas. The operating state is visually indicated at both measuring points. An
audible alarm is only triggered at the gas alarm unit GS 2.1.
Gas sensor GS 4.1
The external gas sensor GS 4.1 is used as a second measuring point for the
gas alarm unit GS 2.1.
7
GS 1.1./GS 2.1/GS 4.1