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22 A-Series display - Installation instructions
3.3 Power connection
Grounding
• Use a dedicated earthing plate (e.g. dynaplate) in contact with
the water.
• Ground cables may be routed to a common point (e.g. within the
switch panel. With a single (appropriately rated) copper braid
connecting to the earthing plate.
• Use flat tinned copper braid, 30 A rating (1/4 inch) or greater.
Equivalent stranded wire diameter 4mm or greater.
• Keep the length of the earth braid as short as possible.
A-Series power cable
A-Series power cable extension
The following restriction applies to any extension to the power cable:
Fuses & circuit protection
WARNING: Grounding
This display is not intended for use on “positive”
ground boats. The power input cable drain wires
must be connected directly to the boats ground.
Data
Ship's ground
D11354-1
PWR/NMEASONAR
Chart plotter / Fishfinder
A-Series display
Red +ve
Black -ve
Black drainwire
Cable Part No Notes
2 m (6.56 ft)
A50/A57/A70 Power
and NMEA Cable
R62157 Supplied with A-Series unit.
For other cables and accessories refer to Options and accessories on page 56.
Length (max) Cable gauge (AWG)
10m (32.8 ft) 14
Equipment
Thermal
breaker
Fuse
A50, A50D, A57D, A70, A70D 10A 10A
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