Setup - Navman MULTI 3100 Installation And Operation Manual

Away from engines, fluorescent lights,
power inverters and radio or radar
transmitters.
Accessable from behind; the minimum
clearance required at the back is 50 mm
(2") (see mounting diagram).
With the back of the unit protected from
moisture.
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 stud at the back of the unit through
the mounting hole. Hand tighten the fixing nut.
Transducers
1 If the MULTI 3100 does not come with
transducers, choose suitable transducers (see
section 9-3). If the MULTI 3100 is supplied with
transducers, see section 9-3 to ensure that
they are suitable.
2 Choose suitable locations for the transducers
and install them by following the instructions in
the Transducer Installation manual.
3 Fit the cables between the transducers and the
display unit:
Keep the cable away from other cables,
engines, fluorescent lights, power inverters
and radio or radar transmitters.
Do not lay the cable in the bilge.
If necessary, extend the cable by adding
extension cables.
Do not cut the cable on any depth
transducer.
Secure the cable at regular intervals.
4 Connect the transducers to the display unit
connectors.
Side view of display unit mounting
20 mm (0.75")
Fixing hole
maximum thickness
50 mm (2")
Display
unit
Cables Clearance
50 mm (2") minimum
14
Power/data wiring
1
Group 1
Group 2
Fixing nut
2
10-2 Set up
1
2
Wire the display unit power/data cable:
The unit requires 12 V DC power. Fit a
power switch and fuse to the power supply
or power the unit from a fused auxiliary
switch. The fuse should be 1 A for up to
five instruments.
If the external beepers and lights require
more than 250 mA DC total, fit a relay.
A single unit can be wired as shown below:
Black
Red
Green
Yellow
White
Orange
Depth transducer
Speed/temperature transducer
With several instruments, use the optional
junction boxes to simplify wiring, as shown
below:
For information on how to connect NavBus
and to use junction boxes, refer to the NavBus
Installation and Operation manual.
Junction box
Power/data cables
NavBus cable
Power/data cable
Tape or cover any unused wires or connectors
to protect them from water and keep them from
shorting together.
Take the boat for a trial run to check that all
the instruments work correctly.
If the unit will take speed readings from a GPS
receiver, rather than a speed transducer or an
MULTI 3100 Installation and Operation Manual
-
12 V DC
Switch
Fuse
power
+
External beepers or
lights (optional)
NMEA in (GPS, optional)
NMEA out (optional)
}
NavBus (optional)
Blue
Power & data
connections
Junction box
Power & data
connections