[Figure 3. Slotted Set Screw]
[Table 2. Main PCB Key Part Description]
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5. Installation
5. Installation
GTD-2000ExW
Instruction Manual
5.2. Main PCB Configuration
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 a gas leak detector on site or open the cover of the installed gas leak detector 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.
■ After detaching the display parts, the Main PCB terminal layout appears as shown in the figure below.
5.1. Detachment of Housing Cover
■ <Warning - Do not open when electrical current
is flowing>
■ Turn the slotted set screw (M4 x 1ea) 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 cover is detached, LCD appears.
■ After detaching the cover, disassemble the display parts
as below.
① Push in left and right fixing rings located on front side
of LCD at the same time.
② While pushing, pull the display parts towards the front
to detach from gas detector body.
③ After detaching the display parts, the Main PCB is
installed at the bottom part of the detector body.
[Figure 4. Display Part Detaching Method]
No
NAME
DESCRIPTION
1
CN8
Power & Output Signal Terminal
2
J1
4~20mA Source / Sink Selection Jumper ( ON: Source Type, OFF: Sink Type)
3
CN1
Display LCD Connector
4
CN4
Sensor Connector
5
CN2
Program download Connector
6
D1
Status LED (Flashes in 1 sec interval during normal operation)
7
CN5,CN6,CN7
HART Option Board Connector
8
CN9
Warning light (GTL-100) Interface Connector
[Figure 5. Main PCB Terminal Layout]
