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Chapter 3:
Warning: Potential ignition source
This product is NOT approved for use in hazardous/flammable atmospheres. Do
NOT install in a hazardous/flammable atmosphere (such as in an engine room or
near fuel tanks).
3.1 Selecting a location
General location requirements
When selecting a location for your NAVIOM AIS it is important to consider a number of factors.
• GPS Signal Access - Open and clear of metal obstructions that could block line-of-sight to the sky.
Can be placed placement behind plastic and wooden structures that do not impede the spread of
the radio signal.
• Wi-Fi signal access - Place NAVIOM AIS not further than 10m (30 feet) from your Wi-Fi router or the
place where you will connect to the device via Wi-Fi. There should be no large metal structures
between the device and the Wi-Fi router, that shield the radio signal.
• Water ingress —Although the NAVIOM AIS is waterproof, it is good practice to locate it in a
protected area away from prolonged and direct exposure to rain and salt spray.
• Ventilation — To ensure adequate airflow:
– Ensure that NAVIOM AIS is mounted in a compartment of suitable size.
– Ensure that ventilation holes are not obstructed. Allow adequate separation of all equipment.
• Electrical interference — Select a location that is far enough away from devices that may cause
interference, such as motors, generators and radio transmitters / receivers.
• Power supply — Select a location that is as close as possible to the vessel's DC power source. This
will help to keep cable runs to a minimum.
• Diagnostics — The NAVIOM AIS must be mounted in a location where diagnostics LED are easily
visible.
• Mounting surface — Ensure the NAVIOM AIS is adequately supported on a secure surface. Do not
mount units or cut holes in places which may damage the structure of the vessel.
• Cabling — Ensure the NAVIOM AIS is mounted in a location which allows proper routing, support
and connection of cables:
– Minimum bend radius of 100 mm (3.94 in) unless otherwise stated.
– Use cable clips to prevent stress on connectors.
– If your installation requires multiple ferrites to be added to a cable then additional cable clips
should be used to ensure the extra weight of the cable is supported.
8
Installation
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