4 How to Use
4-1. Before using the detector
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4
4
How to Use
4-1. Before using the detector
Not only the first-time users but also the users who have already used the alarm system must follow the
operating precautions.
Ignoring the precautions may damage the alarm system, resulting in inaccurate gas detection.
4-2. Precautions for installation sites
Do not install the detector in a place with vibrations or shocks.
The detector consists of sensitive electronic parts. It must be installed on a stable place without vibrations,
shocks and risk of drop, etc.
Do not install the detector in a place exposed to direct sunlight or sudden changes in the temperature.
When selecting installation points, avoid a place where it is exposed to direct sunlight or radiant heat
(infrared rays emitted from a high-temperature object), and where the temperature changes suddenly.
Condensation may be formed inside the detector, or the detector cannot adjust to sudden changes in the
temperature.
Keep the detector (and its cables) away from noise source devices.
When selecting installation points, avoid a place where high-frequency/high-voltage devices exist.
Do not place the detector next to a noise source device.
Do not run cables in parallel or close to each other.
Do not install the detector in a place where maintenance of the detector cannot be performed or where
handling the detector involves dangers.
Regular maintenance of the detector must be performed.
Do not install the detector in a place where the machinery must be stopped when maintenance is
performed in its inside, where parts of the machinery must be removed to perform maintenance, or where
the detector cannot be removed because tubes or racks, etc. prevent access to it. Do not install the
detector in a place where maintenance involves dangers, for example, near a high-voltage cable.
CAUTION
This is a precision device. Because the detector may not provide the specified performance in
some places (environments), check the environment in the installation point, and then take
appropriate actions if necessary.
Because the detector plays an important role for safety and disaster prevention, as many units of
the detector as needed must be installed in appropriate points.
Because points where gases leak and gathering are different depending on the types of gases
and the working areas, please decide carefully on installation points and the number of units to
be installed.
