Gas Detection (Australia) Pty Ltd Page 11 of 44
M-GDA-3000 Rev 1
5.
Terminal Wiring Diagram
Warning
Never install, uncover, or manipulate the Detector other than
authorized
personnel or installation/repair service person from GDA, or serious loss of life and property
damage such as fire or explosion may occur. In addition, check around for explosive Gas or
flammable substances, followed by turning OFF before any work.
5.1. Separation of Detector Body and Cover
The Gas Detector Cover can be removed by turning the Cover fastening Slotted Set Screw
(M4 x 1ea) three to four rotations anti-clockwise using hex wrench (M2), followed by turning
the Cover counterclockwise by hand. After the separation of Cover, the LCD indicator
appears.
[Figure 2. Slotted Set Screw]
After the Cover removal, remove the Display Part as follows.
1. Click the left and right retainer
rings on the front of the LCD
display inwards at the same
time.
2. While holding, pull the Display
Part forward to separate from
the Gas detector Body.
3. With the Display Part removed,
the Main PCB is shown under
the Detector Body.
[Figure 3. Display Parts removal ]
