3
Chapter 2.
MOUNTING
WARNING
Before mounting or removing, be sure to turn off the power to this device and
all connected devices. Failure to do so may result in electric shock.
If this device is installed near a source of ultraviolet rays other than the burner
flame or in an atmosphere that interferes with UV rays, as described below, take
sufficient countermeasures.
•
Near sources of ultraviolet rays, such as red-hot furnace walls (1371°C or more)
•
Near sources of gamma rays or x-rays, such as diffraction analyzers, electron
microscopes, x-ray machines, high-voltage vacuum switches, high-voltage ca-
pacitors, radioactive isotopes, etc.
•
In atmospheres that interfere with ultraviolet rays, due to steam, sooty smoke,
oil mist, dust, etc.
Install the flame detector at an angle that does not allow the ignition spark to
be detected.
Make sure that this device does not detect ultraviolet rays other than those of
the burner flame. If it responds to other ultraviolet radiation, flame failure in
the burner will not be detected.
As a result, the outflow of fuel will continue, causing a very serious explosion
hazar
d.
CAUTION
Install this device in accordance with the relevant laws and standards.
When discarding this product, dispose of it as industrial waste, following local
regulations.
Installation, wiring, inspection, adjustment, etc., should be carried out by a
trained and experienced technician with knowledge and technical skills related
to combustion equipment and flame safeguard control devices.
If this device is operated in an atmosphere where there is steam, sooty smoke,
oil mist, dust, and/or organic solvents that interfere with ultraviolet rays, take
appropriate corrective measures.
When using multiple burners, mount this unit in a position where it can detect
only the flame of the burner to be monitored.
Do not install where the product will be exposed to any of the following:
•
Certain chemicals or corrosive gases (ammonia, sulfur, chlorine, ethylene com-
pounds, acid, etc.).
•
Splashing water or excessive humidity.
•
High temperatures
•
Prolonged vibration
Be sure to observe the ambient temperature indicated in the specifications.
Failure to do so may damage the device or cause faulty operation.
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