Installing The Power Supplies And Steering Drive; Installing The Power Supplies - NorthStar NS3300 AutoPilot Installation Manual

3-4 Installing the power supplies and steering drive

3-4-1 Installing the power supplies

The MCU 600 system requires a light duty and a heavy duty power
supply, both 12 V DC.
Note:
Power supply: one switch configuration
Choose this configuration to have one switch to turn the PILOT
3300 system and any other instruments on and off.
Power supply: two switch configuration
Choose this configuration to be able to turn the drive power
off and leave other instruments powered.
Note: If powering more than three extra display units or other series instruments, fit another switch and fuse for the light
duty power supply for these extra instruments
12
Keep all wiring as short as possible.
For the heavy duty supply, use the wire size given in the table (see section
3-4-2).
Follow the wiring guide (see section 3-2-2).
12 V DC power
supply, current to
suit drive
Circuit breaker or fuse
and switch, current rating
to suit steering drive
12 V DC power
supply, current to
suit drive
Circuit breaker or fuse and
switch, current rating to
suit steering drive
MCU600
Fit strain relief
Heavy
duty
Fuse 1 A
Fit strain relief
Heavy duty
power
Fuse 1 A
Switch
Northstar NS3300 Pilot System Intallation
Connector
cover
Light duty
power
Connector
cover
Light duty
power