Installing The Power Supplies And Steering Drive - NorthStar EXPLORER AP380 Installation And Operation 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:
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).
Power supply: one switch configuration
Choose this configuration to have one switch to
turn the Explorer AP380 system and any other
instruments on and off.
12 V DC power
supply, current to
suit drive
Circuit breaker or fuse and
switch, current rating to suit
Power supply: two switch configuration
Choose this configuration to be able to turn the
drive power off and leave other instruments
powered.
12 V DC power
supply, current to
suit drive
Circuit breaker or fuse
and switch, current
rating to suit steering
drive
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
steering drive
Fuse 1 A
Northstar Explorer AP380 System Installation and Operation Manual
Fit strain relief
Fuse 1 A
Fit strain relief
Switch
MCU600
1 2 3 4 5 6 7 8
Connector
Heavy duty cover
power
Light duty
power
1 2 3 4 5 6 7 8
Connector
Heavy duty
cover
power
Light duty
power