background image

Building a Basic NMEA 2000 Network for the Autopilot 

System

NOTICE

If you are installing a NMEA 2000 power cable, you must 

connect it to the boat ignition switch or through another in-line 

switch. NMEA 2000 devices will drain your battery if the NMEA 

2000 power cable is connected to the battery directly.

1

Connect the three T-connectors 

À

 together side-by-side.

2

Connect the included NMEA 2000 power cable 

Á

 to a 9 to 

12 Vdc power source 

Â

 through a switch 

Ã

.

Connect the power cable to the ignition switch of the boat if 

possible, or route it through an inline switch (not included).

NOTE: 

The braided drain wire (bare) on the NMEA 2000 

power cable must be connected to the same ground as the 

black wire on the NMEA 2000 power cable.

3

Connect the NMEA 2000 power cable to one of the T-

connectors.

4

Connect one of the included NMEA 2000 drop cables 

Ä

 to 

one of the T-connectors and to the helm control 

Å

.

5

Connect the other included NMEA 2000 drop cable to the 

other T-connector and to the CCU 

Æ

.

6

Connect the male and female terminators 

Ç

 to each end of 

the combined T-connectors.

Connecting the Autopilot Components to an Existing NMEA 

2000 Network

1

Determine where to connect the helm control 

À

 and the CCU 

Á

 to your existing NMEA 2000 backbone 

Â

.

2

In the location where you want to connect the helm control, 

disconnect one side of a NMEA 2000 T-connector 

Ã

 from the 

network.

3

If necessary, connect a NMEA 2000 backbone extension 

cable (not included) to the side of the disconnected T-

connector to extend the NMEA 2000 network backbone.

4

Add an included T

connector for the helm control to the 

NMEA 2000 backbone by connecting it to the side of the 

disconnected T

connector or backbone extension cable.

5

Route the included drop cable 

Ä

 to the helm control and to 

the bottom of the T-connector added in step 4.
If the included drop cable is not long enough, you can use a 

drop cable up to 6 m (20 ft.) long (not included).

6

Connect the drop cable to the helm control and the T-

connector.

7

Repeat steps 2 through 6 for the CCU.

Connecting Optional Devices to the Autopilot System

You can use advanced features of the autopilot system by 

connecting optional NMEA 2000-compatible devices, such as a 

wind sensor, a water-speed sensor, or a GPS device to the 

NMEA 2000 network.
You can connect optional devices that are not NMEA 2000 

compatible to the helm control through NMEA 0183 (

NMEA 

0183 Connection Considerations

).

1

Add an additional T-connector (not included) to the NMEA 

2000 network.

2

Connect the device to the T-connector by following the 

instructions provided with the device.

Configuring the Autopilot

The autopilot must be configured and tuned to your boat 

dynamics. The Dockside Wizard and the Sea Trial Wizard on 

the helm control are used to configure the autopilot. These 

wizards walk you through the necessary configuration steps.

The Dockside Wizard

NOTICE

If you perform the Dockside Wizardwhile your boat is out of the 

water, provide rudder-movement clearance to avoid damage to 

the rudder or other objects.

You can complete the Dockside Wizard while the boat is in or 

out of the water.
If the boat is in the water, it must be stationary while you 

complete the wizard.

Performing the Dockside Wizard

NOTICE

If you have a boat with a power assist steering system, turn on 

the power assist before performing the Dockside Wizard to 

avoid damaging the steering system.

1

Turn on the autopilot.
The first time you turn on the autopilot, you are prompted to 

complete a short setup sequence.

2

If the Dockside Wizard does not start automatically after the 

setup sequence, select 

Menu

 > 

Setup

 > 

Dealer Autopilot 

Configuration

 > 

Wizards

 > 

Dockside Wizard

.

3

Select the vessel type.

4

Select the drive unit class (

Selecting the Drive Unit Class

).

5

If you have a drive unit not sold by Garmin, select the drive-

unit voltage and the drive-unit-clutch voltage (

Selecting the 

Drive-Unit Voltage and Drive-Unit-Clutch Voltage

).

6

If you have a solenoid drive unit, select the solenoid voltage 

and the solenoid bypass-valve voltage (

Selecting the 

Solenoid Voltage and Solenoid Bypass-Valve Voltage

).

7

If necessary, enable the Shadow Drive (

Enabling the Shadow 

Drive

).

7

Summary of Contents for GHP Reactor Mechanical

Page 1: ...bing and a heat gun Marine sealant Portable or handheld compass to test for magnetic interference Anti seize lubricant optional NOTE Mounting screws are provided for the main components of the autopilot system If the provided screws are not appropriate for the mounting surface you must provide the correct types of screws Mounting and Connection Considerations The autopilot components connect to ea...

Page 2: ...ive unit cannot be extended The ECU must be mounted in a location where it will not be submerged or exposed to wash down The ECU power cable connects to the boat battery and it can be extended if needed Power Cable Extensions Drive Unit Mounting and Wiring Considerations If a compatible drive unit is not already installed on your boat the drive unit is sold separately and must be installed by an e...

Page 3: ...oid Drive Unit If you are using the autopilot with a drive unit not sold by Garmin or a solenoid drive unit you must also install a Garmin rudder feedback sensor recommended or connect to an existing rudder feedback sensor using a rudder feedback cable sold separately Drive Unit Installation Alarm The alarm provides audible alerts from the autopilot system and should be installed near the helm con...

Page 4: ...ol into the cutout 13Securely fasten the helm control to the mounting surface using the supplied screws If you are mounting the helm control in fiberglass you should use an anti seize lubricant as advised in the notice 14Snap the decorative bezel À into place Mounting the CCU 1 Determine the mounting location 2 Using the CCU as a template mark the two pilot hole locations on the mounting surface 3...

Page 5: ...ade Connecting to an Existing Drive Unit You must install a drive unit power cable to use a drive unit not sold by Garmin with the GHP Reactor Mechanical autopilot This cable is sold separately These instructions do not apply to a solenoid type drive unit Connecting to a Solenoid Drive Unit 1 If necessary use the installation instructions provided with the drive unit to install it on your boat 2 I...

Page 6: ...eedback cable not included to your drive unit based on the wire colors and functions in the table If necessary the cable can be extended using 22 AWG 0 33 mm2 wire Wire Color Function Red Rudder feedback positive Black Rudder feedback negative Yellow Rudder feedback wiper 5 Connect the rudder feedback cable to the ECU Connecting the CCU 1 Route the connector end of the CCU cable to the ECU and mak...

Page 7: ...d the T connector 7 Repeat steps 2 through 6 for the CCU Connecting Optional Devices to the Autopilot System You can use advanced features of the autopilot system by connecting optional NMEA 2000 compatible devices such as a wind sensor a water speed sensor or a GPS device to the NMEA 2000 network You can connect optional devices that are not NMEA 2000 compatible to the helm control through NMEA 0...

Page 8: ...ntrol of the rudder 4 Without touching the rudder or helm control allow the autopilot to calibrate the rudder 5 Select an option If the calibration did not complete successfully repeat steps 1 through 4 If the calibration completed successfully select OK Enabling the Shadow Drive If you installed the autopilot on a boat with a hydraulic steering system you can install a Garmin Shadow Drive valve s...

Page 9: ...ght line If you are performing this procedure outside of the Sea Trial Wizard from the heading screen select Menu Setup Dealer Autopilot Configuration Automated Setup Calibrate Compass Begin 2 Follow the directions on the helm control until calibration is complete taking care to keep the boat as steady and flat as possible The boat should not list during calibration 3 Select an option If the calib...

Page 10: ...ing until it matches north on the magnetic compass 3 After the fine heading setting matches north on the magnetic compass select Done Testing and Adjusting the Configuration NOTICE Test the autopilot at a slow speed After the autopilot has been tested and adjusted at a slow speed test it at a higher speed to simulate normal operating conditions 1 Drive the boat in one direction with the autopilot ...

Page 11: ...Dealer Autopilot Configuration Steering System Setup Drive Unit Class 3 Select Other or Solenoid according to the setting chosen in the Dockside Wizard 4 Select an option Select Generic Tune to re run the tuning procedure you completed during the Dockside Wizard Tuning an Existing Drive Unit Select Drive Unit Voltage to adjust the drive unit voltage according to the specifications provided by your...

Page 12: ...ive Unit Class 2 Select Other or Solenoid according to your selection in the Dockside Wizard 3 Select Advanced Tuning Tune Error Tolerance 4 Center the rudder position let go of the rudder control and select Begin 5 Select Tune The rudder position moves from 5 to 5 each time you select Tune and the drive unit steers the rudder accordingly 6 After the drive unit stops observe the Rudder Error and P...

Page 13: ...ire Rx A from the helm control and the green wire Rx B from the helm control must be connected to NMEA 0183 ground À NMEA 2000 network provides power to the helm control Á 12 Vdc power source  Helm control à NMEA 0183 compatible device Wire Helm Control Wire Color Function NMEA 0183 Compatible Device Wire Function Ê N A Power Ë Green Rx B connect to NMEA 0183 ground NMEA 0183 ground Ì Blue Tx A R...

Page 14: ...129283 Cross track error 129284 Navigation data 130306 Wind data Helm Control Type PGN Description Transmit and receive 059392 ISO Acknowledgment 059904 ISO Request 060928 ISO Address Claim 126208 NMEA Command Request Acknowledge Group Function Type PGN Description 126464 Transmit Receive PGN List Group Function 126996 Product Information Transmit only 128259 Water Speed 129025 Position Rapid Upda...

Page 15: ...RPM Limit Allows you to adjust the lowest RPM point of your boat If the value does not match the value on the helm control you can adjust the value High RPM Limit Allows you to adjust the highest RPM point of your boat If the value does not match the value on the helm control you can adjust the value Max Speed Allows you to adjust the maximum speed of your boat If the value does not match the valu...

Page 16: ...lace Contacting Garmin Product Support Go to www garmin com support and click Contact Support for in country support information In the USA call 913 397 8200 or 800 800 1020 In the UK call 0808 2380000 In Europe call 44 0 870 8501241 Garmin and the Garmin logo are trademarks of Garmin Ltd or its subsidiaries registered in the USA and other countries GHP GHC Reactor and Shadow Drive are trademarks ...

Reviews: