NorthStar EXPLORER 550 - Page 53

Northstar EXPLORER 550/550i Installation and Operation Manual
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Optional sensors and instruments
Fuel sensors: These optional fuel flow sensors
can be fitted to up to two engines:
• Northstar petrol/gasoline sensors (see
section 15-6).
Engine types supported:
Outboard carburetted two stroke and EFI
petrol/gasoline engines: 50 to 300 hp.
Outboard four stroke petrol/gasoline
engines: 90 to 300 hp.
Inboard petrol/gasoline engines: 70 to
400 hp.
Flow rate (per engine):
Minimum: 5 litres per hour (1.3 U.S.
gallons per hour).
Maximum: 130 litres per hour (34 U.S.
gallons per hour).
• SmartCraft fuel sensors (see section 15-7)
Connections
GPS antenna (EXPLORER 550)
Power (15-4)
External alarms (15-4)
NavBus instruments (15-8)
NMEA out to instruments (15-9)
Petrol/gasoline sensors (15-6),
NMEA in (15-9)
Power/data cable
Pin Wire Function
1 Black Ground: - power in, NMEA ground. (The cable has two black wires which are
connected inside the cable and it does not matter which black wire you use)
2 Brown Power out, 9 V DC (not used)
3 White NMEA out
4 Blue NavBus-
5 Red + power in, 10.5 to 32 V DC
6 Orange NavBus+
7 Yellow Auto power in
8 Green External alarm out, 30 V DC 200 mA maximum.
Display unit
(15-3)