GASTRON GTD-2000TxW, Инструкция по эксплуатации

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5. Installation
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.
5.1. Detachment of Housing Cover
■ 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.
■ <Warning - Do not open when electical 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.
[Figure 4. Display Part Detaching Method]
[Figure 3. Slotted Set Screw]