- 30 -
2) Remove the filter element from the sensor
packing (black rubber).
3) Place a new filter element on the sensor packing.
4) Close the sensor cover with four screws.
(Recommended tightening torque: 19cN.m)
Filter Element
Sensor Packing
Pinch the sensor packing
on both sides and bend the
filter element to remove.
•
A filter is placed under the filter
element for combustible gas sensor
and carbon monoxide sensor, to
remove interference gas. Before
fitting the filter element, make sure
the filter under each sensor is fitted
properly inside the sensor packing.
•
Replace a filter for each sensor as
needed (page 31).
Filter for carbon
monoxide sensor
Filter for
combustible gas
sensor
NOTE
When the screws are unevenly tightened, it may affect the waterproof
performance. Tighten four screws evenly and alternately.
NOTE
If a sensor comes off from the Multi-gas Detector, place
the sensor in correct location according to the indicated
gas name on the front panel.
COMB (combustible gas) Sensor
O2 (oxygen) Sensor
CO (carbon monoxide) Sensor
H2S (hydrogen sulfide) Sensor
WARNING
Make sure the filter element is fitted properly inside the sensor packing,
as it may affect the waterproof performance.
CAUTION
- 29 -
4) Remove an old battery and insert a new battery with
the correct polarity as instructed.
5) Fit the projection of battery cover into the slot.
6) Push downward and turn the battery cover clockwise
until it stops with a cross slot screwdriver.
Replacement of Filter Element
If the filter element is dirty or wet, replace with a new filter.
1) Remove four screws and take off the sensor cover.
WARNING
Slot
Projection
Do not push or poke the filter. A broken filter may affect the waterproof
performance.
NOTE
Sensor Cover
If the remaining battery level still stays low after replacing a battery,
remove a battery and insert it again.
NOTE
•
Place the filter element and sensor cover correctly, as it may
affect the detection performance or waterproof performance.
•
Firmly tighten the screw, as it may lead to water ingress into the
Multi-gas Detector.
•
Ask for repair if the water reaches inside, as it may affect the
detection performance.
•
Do not switch the sensor locations, as it may cause a failure or an
error, and it may affect the detection performance.
Make sure to use a screwdriver
with point size 1 (see on page
32 for the shapes).
CAUTION
