Installation
20220596G 69
4.14 RFC35 Fluxgate Compass installation
Figure 4-12
RFC35 mounting
The heading sensor is the most important part of the autopilot
system and great care should be taken when deciding the
mounting location. As the heading is displayed on the Control
Unit, the heading sensor can be mounted at a remote location.
Note ! An autopilot fluxgate compass or magnetic compass should not
be installed on the fly bridge or in the mast.
The RFC35 compass can be mounted on deck or bulkhead,
athwartship or alongship. The heading offset feature in the
autopilot will compensate for the mechanical offsets that may be
a result of the selected location and orientation of the RFC35.
If the RFC35 is deck or bulkhead mounted athwartship with the
cable gland pointing aft, little if any offset correction is required.
With the cable gland pointing forward a 180° correction is
required.
When mounting RFC35 on a bulkhead alongship, a +90° or –90°
correction is needed dependent on whether it is port or starboard
bulkhead.
Note ! Offset correction is performed after the calibration (see
paragraph 4.33).
Find a location that provides a solid mounting place free from
vibration, and as close to the vessel's centre of roll and pitch as
possible, i.e. close to the water line. It should be as far as
possible from disturbing magnetic influences such as the engines
(min. 2 meters), engine ignition cables, other large metal objects
and particularly the drive unit.
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