12 NAVMAN WIND 3150 Installation and Operation Manual
Correct installation is critical to the performance of
the unit. It is vital to read this section of the manual
and the documentation that comes with the other
parts before starting installation.
The WIND 3150 can:
Drive external beepers or lights for the alarm.
Send and receive data from other NAVMAN
instruments connected via NavBus. Settings
for alarms, units, calibration and backlighting
are shared (see section 9-1).
Send and receive NMEA data to and from other
instruments (see section 9-2).
The unit is waterproof from the front. Protect the rear
of the unit from water, or else water might enter the
breathing hole and damage the unit. The warranty
does not cover damage caused by moisture or water
entering the back of the unit.
The cable up the mast to the masthead unit must
run in conduit.
11-1 Installation
WIND 3150 display unit
1 Choose a location for the display unit that is:
Easily seen and protected from damage.
At least 100 mm (4") from a compass and
at least 500 mm (20") from a radio or radar
Away from engines, fluorescent lights, and
power inverters.
Accessible from behind; the minimum
clearance required at the back is 50 mm
(2") (see mounting diagram).
With the back of the unit protected from
2 The unit must mount on a flat panel which is
less than 20 mm (0.75") thick. Stick the
mounting template in place. Drill a 50 mm (2")
fixing hole through the centre hole in the
template. Note that the template allows space
around the unit for the protective cover.
3 Remove the fixing nut from the back of the unit.
Insert the back of the unit through the mounting
hole. Hand tighten the fixing nut.
11 Installation and setup
Masthead unit
Plan the installation. Read through these instructions
before you install the masthead unit and plan where
you will fit the mounting block and where you will drill
the cable holes in the mast. It is usually easiest to
install the masthead unit when the rig is off the boat.
1 The mounting block is at one end of the 30 m
(98 ft) masthead cable. Fit the mounting block
on top of the mast:
With the base of the block horizontal.
With the fitting for the masthead arm facing
forward, parallel to the centre line to within
a few degrees (if the arm does not face
exactly forward, the wind angle must be
calibrated, see section 8-1).
20 mm (0.75") maximum
panel thickness
Fixing nut
Display unit
Fixing hole
50 mm (2")
Side view of display unit mounting:
Ensure that any holes that you cut will not
weaken the boat or the mast. If in doubt, consult
a qualified boat builder or marine engineer.
Use the self-tapping screws provided.
2 Drill an 8 mm (5/16") hole at the top of the
mast close to the mounting block for the cable
to enter the mast. Do not install the masthead
cable yet.
3 Drill an 8 mm (5/16") hole at the bottom of the
mast at a convenient place for the cable to exit
the mast. You will fit the cable junction box
close to this hole; it should be in a dry place
and not in the bilge.
4 Calculate how long the cable from the
masthead mounting block to the cable junction
Cables Clearance
50 mm (2") minimum
Arm faces forward
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