nac-2 instalaltion guide
TRANSCRIPT
204.0 mm (8.1”)
183.0 mm (7.2”)
57.0 mm (2.2”)
180.
0 m
m (7
.1”)
190.
0 m
m (7
.5”)
169.0 mm (6.63”)
91.0
mm
(3.6
”)
Dimensions Mounting
Parts included
1. 1 x NAC™ -2 Autopilot Computer - IPX5
2. 1 x NAC™ -2 Power cable - 2 m
3. 1 x NAC™ -2 Drive cable - 2 m
4. 1 x NAC™ -2 Feedback cable - 2 m
5. 1 x NMEA 2000® Network cable - 0.6 m
6. 1 x Micro-C T-Joiner
7. 4 x Fixing screws
8. Warranty card & literature pack
NAC™ -2
INSTALLATION GUIDE
For setup instructions, commissioning guide, product manuals, technical specifications,
certificates and declarations,refer to the product website:
www.simrad-yachting.com
www.bandg.com
Trademark®Reg. U.S. Pat. & Tm. Off, and ™ common law marks.
Visit www.navico.com/intellectual-property to review the global trademark rights for Navico Holding AS.”
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*988-11144-002*
System wiring example
AUTOPILOTCONTROLLER
2
1
NMEA 2000® BackboneMicro-C Drop cableMicro-C Power cableMicro-C T-JoinersMicro-C Terminator, 120 OhmDrive cable
1
T T
MFD
12/24V DC
12/24V DC
12V DC
NAC™ -2
COMPASSGPS
SENSOR
DRIVE UNIT
RUDDERFEEDBACK
6
5
4
323456
Power
NMEA 2000® Backbone
Micro-C Drop cable
Rudder Drive cable
IPX5
1
Connectors & Wiring
+ _12 V DC
MAIN POWERSWITCH
0.9 m (3 ft)
FUSE,20 AMP 2 m (6 ft)
T T
REDBLACK
YELLOWBLUE
OPTIONALSTEADYSTEER™
Key Function Color1 - 0V DC Black
2 + 12 / 24V DC Red
3 AUTO/ STBY button or SteadySteer™ (Optional)
Yellow
4 Blue
Power
Socket Plug
1. Power (12 / 24 V DC)) - Max 8A/12A Continuous/Peak
2. Drive (Drive unit) - Max 8A/12A Continuous/Peak
3. Feedback (Rudder reference - Resistive feedback units only)
4. Network (NMEA 2000®)
ResistiveRudder feedback
unit
Key Function Color1 + 5V DC Red
2 Signal Yellow
3 - 0V DC Black
Feedback
Socket Plug
Drive (Max 8A/12A Continuous/Peak)
Reversible pump Hydraulic linear drive Rotary drive Solenoid valve
Key Function Color1 Clutch GND/Solenoid Common Yellow
2 Clutch Blue
3 Motor_A Red
4 Motor_B BlackSocket Plug
¼ Note: Navico NMEA 2000® Rudder feedback units should be connected directly to the NMEA 2000 backbone.
Helm-1 Combined Drive &
Rudder feedbackunit
Example 1 Example 2
2 3 4
Option 1 Option 2
+ _12 V DC
MAIN POWERSWITCH
0.9 m (3 ft)
FUSE, 20 AMP 2 m (6 ft)
T T
REDBLACK
YELLOWBLUE
OPTIONALAUTO/STBY
BUTTON