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4. Install
4. Install
GTL-200
Instruction Manual
■ It is prohibited for an individual, other than an approved user or a technician responsible for installation and repair
from the head office, to install an explosion-proof warning light on site or open the cover of the installed warning
light and manipulate it. This may cause serious loss of life and property from fire, explosion, and etc.
■ In addition, please check whether there is any remaining explosive gas or combustible material in the
surroundings. Power must be turned off before performing work.
4.1. Detachment of Cover
■ Turn the slotted set screw (M4) fixing the cover part of main body 3~4 turns counter clockwise (ccw) using a hex
wrench (M2) then turn the cover of gas leak detector ccw to detach the cover.
■ When the bottom cover is detached, terminal board for external wiring appears. Perform cable wiring as shown
in the terminal configuration below.
[Figure 3. Slotted Set Screw Configuration]
No
PCB SILK
DESCRIPTION
NOTE
1
L1
AC Power (Live)
2
L2
AC Power (Natural)
3
S1
External Signal Line 1
Operates upon connecting "COM" terminal to
a desired signal line.
(Only supports Dry Contact Operation)
4
S2
External Signal Line 2
5
S3
External Signal Line 3
6
COM
Digital Ground
4.2.1. AC Type Terminal Description
4.2. Combination & Sounder Type Terminal Configuration
No
PCB SILK
DESCRIPTION
NOTE
1
+
DC + Power
2
-
DC - Power
3
S1
External Signal Line 1
For Dry Contact Operation, connect to "DC -"
power to run. For Wet Contact Operation, run
"S1~S3" and "DC-"
4
S2
External Signal Line 2
5
S3
External Signal Line 3
4.2.2. DC Type Terminal Description
4.3. Beacon Type Terminal Configuration
4.3.1. AC Type Terminal Description
No.
PCB SILK
DESCRIPTION
1
L1
AC Power (Live)
2
L1
3
L2
AC Power (Natural)
4
L2
4.3.2. DC Type Terminal Description
No.
PCB SILK
DESCRIPTION
1
+
DC + Power
2
+
DC + Power
3
-
DC - Power
4
-
DC - Power
