EsiWelma
®
s.r.l.
- 9 -
E117.602_En
The detector is set in the factory and cannot be modified to change the alarm threshold established (see technical
specifications). The procedure described in point 8.1 is not intended to check the correctness of the thresholds set,
but only to check the detector's operating status, as well as any switching and signalling devices fitted.
If other test methods are used instead of the one described, the detector may generate different, unexpected
responses. In particular, the use of inappropriate substances or vapours (alcohol or silicon-based solvents etc.) or
in any case, high concentrations of test gases could cause permanent damage to the sensing element and may
cause the detector to operate incorrectly.
9.
Operation
Normal
- Green LED on, red and yellow LEDs off .
Gas alarm
- Red LED on
- The buzzer sounds continuously
- The relay switches, activating any loads connected to it.
- The solenoid valve closes after 15 sec (command impulse for 0,5 sec every 10
sec).
IMPORTANT: IF AN ALARM IS ACTIVATED DUE TO THE PRESENCE OF CARBON MONOXIDE, KEEP CALM AND
PROCEED AS FOLLOWS:
Put out naked flames and switch off all gas equipment
Close the tap on the gas supply or the LPG cylinder.
Open doors and windows to air the environment
Look for and eliminate the cause of the alarm. If you are unable to determine and eliminate the cause of the alarm,
exit the property and call emergency services from outside
.
