Safety
13
Work in safety manner
Safety manner Safe working methods must be used to prevent injuries. The safety equip-
ment must not be disengaged, bypassed or in any other way modified so
that the safety effect ceases.
Handling the Arc
Monitor
The Arc Monitor may only be used for the purposes mentioned in this man-
ual. The Arc Monitor was developed, manufactured, tested and documented
in accordance with applicable safety standards. If you follow the instructions
regarding safety and use as described in this manual, the product will, in the
normal case, neither cause personal injury nor damage to machinery and
equipment.
To avoid malfunctions or damage through improper handling, follow these
instructions during transportation, installation and maintenance:
• Transport with care. Do not drop, throw, or give the Arc Monitor a strong
shock. It can cause breakage or failure.
• Handle with care. Do not drop, throw, or give the Arc Monitor a strong shock.
It can cause breakage or failure.
• The Arc Monitor is installed by authorized personnel only.
• This manual is a part of the Arc Monitor and should always be accessible to
personnel working with this product.
• Read and understand the manual throughly before performing any installation
or commissioning.
• Excessive amounts of dust on the optical detectors can lead to a degradation
of detection. When regular inspections are made, it is recommended also to
inspect the detectors. Clean with dry cloth if needed.
• CSU is constantly sending light to the CSU input at the Arc Monitor during
normal conditions (for safety and reliability reasons). The light might decrease
over time and should be checked every year by a manual diagnostic test. See
more information in chapter Maintenance and in HMI functions.
• A log is kept that indicates if the light level had decreased below a certain level.
If so, the CSU should be replaced within the next 6 months.
• The safety of the system will not be affected if the CSU is not replaced. How-
ever, when the light level becomes too low then the Arc Monitor will recognize
this as a high current situation. And then the system functions as if there was
a no current condition, that is, trip on light at optical detectors only.
• Configuration is done with DIP switches, settings of parameters and control-
ling of configuration is done in the HMI.
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