ComNav 1420 - Page 48

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ComNav Marine 1420 Autopilot System

Document PN 29010012 V1.3

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Table of Contents7
Product Description9
Before You Start10
Unpacking and Identification10
Manual Conventions10
Tools Required11
Parts List13
Installation Instructions17
1420 Autopilot System17
- Planning17
  - Processor Location17
  - Compass Location17
- Power Connection18
  - Power Cable18
  - Grounding18
- Installing the Mounting Clip and Spacer19
- Fluxgate Compass Installation19
- Rotary Rudder Feedback Installation20
- Outboard Feedback Installation23
Rudder Drive27
- Comnav Reversing-Motor Hydraulic Pump27
  - Pump Models & Specifications28
  - Specifications Common to All Pumps28
- Types of Steering Systems29
- Tools and Material Required to Install Pump29
- Notes & Cautions30
- Installing the Pump31
- Hydraulic Connections32
- Fill and Bleed34
Wiring the Processor37
- Right Side Connections38
- Left Side Connections40
  - Connecting the Ground Wire40
  - Connecting the Navigation Cable42
- Mounting the Processor43
- Powering up the System43
- Fuse Replacement44
- Check the Fuse44
Setting up the Autopilot System45
- Setup Routine45
- Finishing the Setup47
Piloting with the 1420 Autopilot System49
Steering Control Settings49
- Turning on the Autopilot49
- Turning the Autopilot off49
Determining Rudder Response Settings50
- Setting the Slow Speed Rudder Response50
- Slow Speed Turns and Course Changes51
- Setting the Fast Speed Rudder Response52
- Fast Speed Turns and Course Changes52
The Navigation Interface53
- Nmea 018353
Using the Navigation Interface54
- Cross Track Error54
Operation Commands55
Adjustment Commands57
Problem Solving58
- Problems During the Setup Routine58
- Problems During Normal Operation59
- Problems During Turn on62
- Appendix A63
- Connections to 4 and 5 Wire Motors63
- Appendix B64
- Connections to 4 and 5 Wire Motors (Using a Clutch or Lockup Valve)64
- Appendix C65
- Connections to Solenoid Valves65
- Appendix D66
- Connecting a Second Station66
- Appendix E68
- Connecting the NMEA 0183 Heading Output68
- Appendix F Connecting a Rudder Angle Indicator69
Warranty71
CE Compliance75

ComNav 1420 - Page 48

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