User's Manual

GAS LEAKAGE DETECTOR GA-2S
INSTALLATION
1. Put the GA-2S close to LS-30
Base Unit, and plug in the power
cord of the GA-2S.
2. Select “Installer Mode” on the
Base Unit, and enter Installer
Password to gain access authority.
Then select \Set Device\Enroll
Device\Fire Sensor\Enter Zone
No. to enroll the ID of GA-2S by
pressing its TEST button. You may change its various attributes under \Set
Device\Change Device Setting\Fire Sensor Change, to fulfill different
requirements.
3. To detect leakage of natural gas, the detector should be placed at a higher
position near the ceiling, because Natural Gas is lighter than air. For LPG, a
proper location for detection is about 30cm above the floor, since LPG is
heavier than air. Refer to the figure below.
30cm
For LNG
( Hydrogen,
Methane or
Ethyl Alcohol )
30cm
For LPG
( ISO butane )
Gas range
Within 4m
Within 8m
ALARM
LED
POWER
INDICATOR
TEST
TEST SWITCH
GAS
DETECTOR
(
Red
)
(
Green
)