35 mm
5
0
mm
Page 3
110 mm
5
0
mm
ON
Fault
Alarm
GS913
1) MAINS connected indication LED (ON).
2) FAULT indication LED. If this LED turns on, it means that the gas detection semiconductor sensor is not working
efficiently and must be replaced by an authorized service center.
3) ALARM indication LED. This LED turns on when room gas concentration exceeds the danger level.
4) Jumper to select the relay functioning mode. By closing the two poles, the relay will be set to impulse functioning.
That is, when the alarm is triggered, the relay will close the C and NA contacts for about 90 seconds, and then will
reopen them. This is needed to prevent damaging some types of manual reset solenoid valve coils. By opening the two
poles, the relay will be set to continuous functioning.
5) Semiconductor sensor for Methane or LPG explosive gas detection.
6) TEST button. This button is used to simulate a gas leak, after installation.
7) Trimmer of setting. It must be touched only from technical competent
8) Identification label, registration number and manufacturing year, located under the ABS small dome.
Dimensions
5
4
6
7
1
2
3
4
5
6
Y
e
a
r
2
0
1
0
1)
Power
2)
Fault
3)
Alarm
8
Output Segnale di
fault max 0,05 mA
Components and commands