Installing The Steering Drive - NorthStar NS3300 AutoPilot Installation Manual

Pilot system
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3-4-2 Installing the steering drive

Install the steering drive according to one of the diagrams on the following pages.
Note
Wire size table
To choose a wire gauge for an installation:
1 Measure the length of twin cable required, i.e. the distance from the main control unit to the heavy duty
2 Choose the column with the cable length and the row with the circuit current. The intersection of the row and
Current
1 amp
2 amp
3 amp
4 amp
5 amp
6 amp
7 amp
8 amp
9 amp
10 amp
15 amp
20 amp
Reference Manual
Keep all wiring as short as possible.
Use the wire size given in the table below.
Follow the wiring guide (see section 3-2-2).
Wire less than #10 gauge will not fit directly into the four way terminal block. Fit ferrules or reterminate the wire with
#10 gauge wire.
If more than one wire is to be fitted to a terminal of the four way terminal block, join the wires together in a suitable
power supply or to the drive.
column gives the preferred (minimum) cable wire gauge for less than 3% voltage drop in a 12 V system.
Cable length (from main control unit to power supply or to drive)
0.7 m
1.5 m
2.5 ft
5 ft
#18
#18
#18
#18
#18
#18
#18
#18
#18
#18
#18
#16
#18
#16
#18
#16
#18
#16
#18
#14
#16
#12
#14
#12
2.2 m
3 m
3.7 m
7.5 ft
10 ft
12.5 ft
#18
#18
#18
#18
#18
#18
#18
#16
#16
#16
#16
#14
#16
#14
#14
#16
#14
#12
#14
#14
#12
#14
#12
#12
#14
#12
#12
#12
#12
#10
#12
#10
#10
#10
#8
#8
4.5 m
5.2 m
6 m
15 ft
17.5 ft
20 ft
#18
#18
#18
#16
#16
#16
#16
#14
#14
#14
#14
#12
#12
#12
#12
#12
#12
#10
#12
#10
#10
#10
#10
#10
#10
#10
#10
#10
#10
#8
#8
#8
#6
#6
#6
#6
13

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