24
QNC CHC
EN
INSTALLATION AND USE MANUAL - REV 001A
2.0 - INSTALLATION
2.2 - Installing the magnet
Take the gypsy off the windlass (consult the windlass user’s manual). Find the spot most suitable for the magnet housing
based on the following criteria:
• The magnet should not be installed in an area that the chain passes through (outer areas).
• The housing should be preferably made in the area where the gypsy is thickest (in order not to weaken the structure).
• Regarding horizontal axis windlasses, make sure they are located near the edge of the gypsy.
• Regarding vertical axis windlasses, make sure the sensor can be installed on the base at the circumference “traced” by
the magnet.
• The magnet can protrude from the gypsy; make sure it does not interfere with the base or sensor.
• The magnet should be as close to the sensor as possible.
Once the hole has been drilled, glue the magnet inside it. Make sure the glue covers the part of the magnet still visible.
Use glue designed for metals, resistant to brackish environments and capable of withstanding temperatures ranging from
-30 to +80 °C. Generally speaking, some epoxy-based bi-component glues meet these requirements.
Several magnets can be installed on the same gypsy to increase the precision with which the chain counter reads (not
provided). Place any additional magnets around the same circumference equally spaced apart.
2.3 - Installing the sensor
Locate the most suitable position to secure the sensor to the base according to the following criteria:
• The sensor should not be installed in an area that the chain passes through.
• If holes are made in the base, make sure they do not interfere with normal operation, do not weaken the structure or
cause lubricant to flow out (windlasses with oil-bathed gears).
• Regarding vertical axis windlasses, make sure the sensor is installed on the base at the circumference “traced” by the
magnet.
• The magnet should be as close to the sensor as possible.
Use the plastic adaptors provided to secure the sensor. Use a sheath to protect the sensor cables.
Once installed, make sure the laps sensor works properly. Place the gypsy so that the magnet is aligned with the sensor
and check electrical continuity between the two sensor cables.
When the magnet is moved away from the sensor electrical continuity should no longer be present.
2.4 - Instrument installation
The standard installation procedure is described below.
Unfortunately we cannot describe a procedure applicable to all types of windlasses.
Adapt this procedure to satisfy your own individual requirements.
Find the spot most suitable for the chain counter based on the following criteria:
• The instrument should be in a position where the operator can easily use and/or see it.
• It is important that the surface to which the control is fixed is smooth and flat.
• Tightening the 4 nuts on a curved surface may mechanically damage the base of the instrument and compromise
gasket tightness.
• Excessive tightening the 4 nuts may damage the instrument.
• There must be sufficient space behind the selected position to house the rear of the instrument and the connectors of
power cable and CAN bus data interface (optional).
• Pay careful attention when drilling holes in the panels or parts of the boat. These operations must not weaken the boat
framework or cause cracks.
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