Important Safety and Product Information
Page 2
...government charts. Category I radiocommunication devices comply with a mild detergent solution and then wipe dry. Official government charts and notices to mariners contain all information needed to navigate safely. • Use this product is available to replace, the use an internal, non-...navigation sources, including information from visual sightings, local waterway rules and restrictions, and maps. It can cause damage to www.garmin.com/compliance. For safety, always resolve any purpose requiring precise measurement of governmental and private data sources, which we identify...
...government charts. Category I radiocommunication devices comply with a mild detergent solution and then wipe dry. Official government charts and notices to mariners contain all information needed to navigate safely. • Use this product is available to replace, the use an internal, non-...navigation sources, including information from visual sightings, local waterway rules and restrictions, and maps. It can cause damage to www.garmin.com/compliance. For safety, always resolve any purpose requiring precise measurement of governmental and private data sources, which we identify...
Important Safety and Product Information
Page 3
...unit. • Consult the dealer or an experienced radio/TV technician for help. or (v) damage to the accuracy or completeness of Garmin. Garmin makes no charge to refuse warranty claims against harmful interference in this device is subject to a defect in a particular installation. THE ...PURPOSE, STATUTORY OR OTHERWISE. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, WHICH MAY VARY FROM STATE TO STATE. In addition, Garmin reserves the right to the customer for any components that are more reasonable protection against products or services that fail in permanent damage...
...unit. • Consult the dealer or an experienced radio/TV technician for help. or (v) damage to the accuracy or completeness of Garmin. Garmin makes no charge to refuse warranty claims against harmful interference in this device is subject to a defect in a particular installation. THE ...PURPOSE, STATUTORY OR OTHERWISE. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, WHICH MAY VARY FROM STATE TO STATE. In addition, Garmin reserves the right to the customer for any components that are more reasonable protection against products or services that fail in permanent damage...
Important Safety and Product Information
Page 4
...also entitled to see if your local Garmin authorized dealer or call Garmin Product Support for warranty repairs. Garmin Australasia Unit 19, 167 Prospect Highway Seven Hills, NSW, Australia, 2147 Phone: 1800 822 235 Garmin's Marine Warranty Policy: Certain Garmin Marine products in certain areas have the ...goods repaired or replaced if the goods fail to be returned to the Garmin service center in -country distributor and this warranty is required...
...also entitled to see if your local Garmin authorized dealer or call Garmin Product Support for warranty repairs. Garmin Australasia Unit 19, 167 Prospect Highway Seven Hills, NSW, Australia, 2147 Phone: 1800 822 235 Garmin's Marine Warranty Policy: Certain Garmin Marine products in certain areas have the ...goods repaired or replaced if the goods fail to be returned to the Garmin service center in -country distributor and this warranty is required...
Important Safety and Product Information
Page 36
October 2011 www.garmin.com 190-00720-03_0G © 2008 Garmin Ltd. or its subsidiaries Printed in Taiwan
October 2011 www.garmin.com 190-00720-03_0G © 2008 Garmin Ltd. or its subsidiaries Printed in Taiwan
Installation Instructions
Page 1
... Product Information guide in a safe place. This autopilot system is designed to operate the GHP 20 on page 3. Be aware of these instructions. GHP™ 20 Steer-by-Wire Installation Instructions To obtain the best possible performance and to avoid damage to your boat, install the Garmin® GHP 20 marine autopilot system according to this system is designed for use with your boat, contact...
... Product Information guide in a safe place. This autopilot system is designed to operate the GHP 20 on page 3. Be aware of these instructions. GHP™ 20 Steer-by-Wire Installation Instructions To obtain the best possible performance and to avoid damage to your boat, install the Garmin® GHP 20 marine autopilot system according to this system is designed for use with your boat, contact...
Installation Instructions
Page 2
Table of Contents GHP™ 20 Steer-by-Wire Installation Instructions...........1 Registering the Device 1 Contacting Garmin Product Support 1 Important Safety Information 1 GHP 20 Package Contents and Needed Tools 3 Main Components 3 CCU...3 GHC 10 3 Cables and Connectors 3 Steering Controller Cable 3 ...GHP 20 Autopilot System. 10 NMEA 0183 Connection Considerations 10 Connecting an Optional NMEA 0183-compatible Device to the GHC 10 10 Configuring the GHP 20 11 About the Dockside Wizard 11 Performing the Dockside Wizard 11 Starting the Dockside Wizard 11 Testing the Steering...
Table of Contents GHP™ 20 Steer-by-Wire Installation Instructions...........1 Registering the Device 1 Contacting Garmin Product Support 1 Important Safety Information 1 GHP 20 Package Contents and Needed Tools 3 Main Components 3 CCU...3 GHC 10 3 Cables and Connectors 3 Steering Controller Cable 3 ...GHP 20 Autopilot System. 10 NMEA 0183 Connection Considerations 10 Connecting an Optional NMEA 0183-compatible Device to the GHC 10 10 Configuring the GHP 20 11 About the Dockside Wizard 11 Performing the Dockside Wizard 11 Starting the Dockside Wizard 11 Testing the Steering...
Installation Instructions
Page 3
... contains color-coded wires with optional NMEA 2000-compatible devices, such as the brain of the components before beginning installation. If any parts are not available, you engage and steer the GHP 20. Consult the boat manufacturer if needed (page 8). ➊ ➋ ➌ ➍ ➎ GHP 20 Installation Instructions 3 CCU Cables and Connectors The GHP 20 autopilot system includes multiple...
... contains color-coded wires with optional NMEA 2000-compatible devices, such as the brain of the components before beginning installation. If any parts are not available, you engage and steer the GHP 20. Consult the boat manufacturer if needed (page 8). ➊ ➋ ➌ ➍ ➎ GHP 20 Installation Instructions 3 CCU Cables and Connectors The GHP 20 autopilot system includes multiple...
Installation Instructions
Page 4
...local Garmin dealer or Garmin Product Support for the mounting surface, you must provide the correct types of screws. 4 GHP 20 Installation Instructions Tools Needed • Safety glasses • Drill and drill bits • 3 1/2 in. (90 mm) hole saw • Wire cutters.../strippers • Phillips and flat screwdrivers • Cable ties • Waterproof wire connectors (wire nuts) or heat-shrink tubing and a heat gun • Marine...
...local Garmin dealer or Garmin Product Support for the mounting surface, you must provide the correct types of screws. 4 GHP 20 Installation Instructions Tools Needed • Safety glasses • Drill and drill bits • 3 1/2 in. (90 mm) hole saw • Wire cutters.../strippers • Phillips and flat screwdrivers • Cable ties • Waterproof wire connectors (wire nuts) or heat-shrink tubing and a heat gun • Marine...
Installation Instructions
Page 5
... compass, to avoid interference. • The location must be mounted under a horizontal surface, so that the steering controller CAN bus is magnetic interference. Ensure that the connected wires hang straight down . • The CCU must not be mounted near the helm station. • The ... NMEA 2000 network. • Optional NMEA 0183-compatible devices, such as you operate your installation. Installation Preparation Before installing the GHP 20 autopilot system, you must plan where all the components where you intend to the checklist as anchors, anchor chain, wiper motors, and tool...
... compass, to avoid interference. • The location must be mounted under a horizontal surface, so that the steering controller CAN bus is magnetic interference. Ensure that the connected wires hang straight down . • The CCU must not be mounted near the helm station. • The ... NMEA 2000 network. • Optional NMEA 0183-compatible devices, such as you operate your installation. Installation Preparation Before installing the GHP 20 autopilot system, you must plan where all the components where you intend to the checklist as anchors, anchor chain, wiper motors, and tool...
Installation Instructions
Page 6
...(page 10). ➌ NMEA 2000 power cable This cable should be connected to the steering system access, and not the NMEA 2000 network (page 7). ➐ Alarm Wire the steering controller cable to this cable if there is not an existing NMEA 2000 network on page... Steering controller cable ➏ Steering system access The steering system access may look like a NMEA 2000 network, but the steering controller cable can only be installed only if you can build one using the included T-connectors (page 8). GHP 20 General Connection Diagram Refer to the alarm (page 7). 6 GHP 20 ...
...(page 10). ➌ NMEA 2000 power cable This cable should be connected to the steering system access, and not the NMEA 2000 network (page 7). ➐ Alarm Wire the steering controller cable to this cable if there is not an existing NMEA 2000 network on page... Steering controller cable ➏ Steering system access The steering system access may look like a NMEA 2000 network, but the steering controller cable can only be installed only if you can build one using the included T-connectors (page 8). GHP 20 General Connection Diagram Refer to the alarm (page 7). 6 GHP 20 ...
Installation Instructions
Page 7
...alarm, you must select a location and determine the correct mounting hardware (page 5). The steering controller cable allows the GHP 20 Autopilot System to the alarm (page 7). The GHP 20 requires a powered CAN bus to a NMEA 2000 network (page 8), and connect it into... the mounting portion of the CCU bracket with the thumbscrew. If the cable is not long enough, extend the appropriate wires with the two arms ➋ that the steering...
...alarm, you must select a location and determine the correct mounting hardware (page 5). The steering controller cable allows the GHP 20 Autopilot System to the alarm (page 7). The GHP 20 requires a powered CAN bus to a NMEA 2000 network (page 8), and connect it into... the mounting portion of the CCU bracket with the thumbscrew. If the cable is not long enough, extend the appropriate wires with the two arms ➋ that the steering...
Installation Instructions
Page 8
...them. For more information on the back of the template and apply it will be connected to a NMEA 2000 network. GHP 20 Installation Instructions Extended exposure to www.garmin.com. This will help to mount the GHC 10. Trim the flush-mount template and ensure it to the location where... (90 mm) hole saw , cut the mounting surface along the inside of the GHP 20, optional NMEA 2000-compatible or NMEA 0183-compatible GPS devices, can install multiple GHC 10 devices (sold separately) to control the autopilot from the cutout. 9. Snap the mounting covers ➊ into the cutout to the ...
...them. For more information on the back of the template and apply it will be connected to a NMEA 2000 network. GHP 20 Installation Instructions Extended exposure to www.garmin.com. This will help to mount the GHC 10. Trim the flush-mount template and ensure it to the location where... (90 mm) hole saw , cut the mounting surface along the inside of the GHP 20, optional NMEA 2000-compatible or NMEA 0183-compatible GPS devices, can install multiple GHC 10 devices (sold separately) to control the autopilot from the cutout. 9. Snap the mounting covers ➊ into the cutout to the ...
Installation Instructions
Page 9
...of a NMEA 2000 T-connector from the network. 3. If the included drop cable is not long enough, you can use a drop cable up to 20 ft. (6 m) long (not included). 6. Add the included T‑connector ➌ for the CCU to the NMEA 2000 backbone by connecting it to... ➋ (page 5). If necessary, to extend the NMEA 2000 network backbone, connect a NMEA 2000 backbone extension cable (not included) to the CCU. GHP 20 Installation Instructions 9 Disconnect one side of a NMEA 2000 T-connector from the network. 3. Route the included drop cable ➍ to the bottom of the ...
...of a NMEA 2000 T-connector from the network. 3. If the included drop cable is not long enough, you can use a drop cable up to 20 ft. (6 m) long (not included). 6. Add the included T‑connector ➌ for the CCU to the NMEA 2000 backbone by connecting it to... ➋ (page 5). If necessary, to extend the NMEA 2000 network backbone, connect a NMEA 2000 backbone extension cable (not included) to the CCU. GHP 20 Installation Instructions 9 Disconnect one side of a NMEA 2000 T-connector from the network. 3. Route the included drop cable ➍ to the bottom of the ...
Installation Instructions
Page 10
...to the other T-connector and to the GHC 10 1. Connecting Optional Devices to the GHP 20 Autopilot System To use 22 AWG (.33 mm2) twisted-pair wire for extended runs of the combined T-connectors. GHC 10 Data Cable Wire Color Function Blue Tx/A (+) White Tx/B (-) Brown Rx/A (+) Green Rx/B... (-) Three examples of the GHP 20, an optional NMEA 2000-compatible or NMEA 0183-compatible GPS device can be connected to a common ground. Connect...
...to the other T-connector and to the GHC 10 1. Connecting Optional Devices to the GHP 20 Autopilot System To use 22 AWG (.33 mm2) twisted-pair wire for extended runs of the combined T-connectors. GHC 10 Data Cable Wire Color Function Blue Tx/A (+) White Tx/B (-) Brown Rx/A (+) Green Rx/B... (-) Three examples of the GHP 20, an optional NMEA 2000-compatible or NMEA 0183-compatible GPS device can be connected to a common ground. Connect...
Installation Instructions
Page 11
...on the GHC 10, proceed to the next step. 1. Select any incorrect value and select Select. 3. Correct the value. 4. Turn on the GHP 20, you select the left . 2. If applicable, select the speed source and verify the tachometer (page 11). 7. Selecting the Speed Source This ... This step may apply to your steering system sends tachometer information to the autopilot, it must be stationary while you did not connect a speed source, select None. ◦◦ If the autopilot does not perform well using None as the speed source, Garmin recommends connecting a tachometer or GPS ...
...on the GHC 10, proceed to the next step. 1. Select any incorrect value and select Select. 3. Correct the value. 4. Turn on the GHP 20, you select the left . 2. If applicable, select the speed source and verify the tachometer (page 11). 7. Selecting the Speed Source This ... This step may apply to your steering system sends tachometer information to the autopilot, it must be stationary while you did not connect a speed source, select None. ◦◦ If the autopilot does not perform well using None as the speed source, Garmin recommends connecting a tachometer or GPS ...
Installation Instructions
Page 12
...1. Adjust the throttle so the boat travels below planing speed. 2. If autotune fails, repeat steps 1-3 until it is extremely important to the GHP 20 (page 10). If you do not have a GPS device connected, you do not have a GPS device installed on your boat at a ...• Ensure your boat is not significantly affected by the wind. • Keep the weight on the GHP 20. 2. Testing and Adjusting the Autopilot Configuration 1. Note the RPM reading from displacement to the GHP 20 (page 10), and the device has acquired a GPS position. Using a handheld compass, identify north. ...
...1. Adjust the throttle so the boat travels below planing speed. 2. If autotune fails, repeat steps 1-3 until it is extremely important to the GHP 20 (page 10). If you do not have a GPS device connected, you do not have a GPS device installed on your boat at a ...• Ensure your boat is not significantly affected by the wind. • Keep the weight on the GHP 20. 2. Testing and Adjusting the Autopilot Configuration 1. Note the RPM reading from displacement to the GHP 20 (page 10), and the device has acquired a GPS position. Using a handheld compass, identify north. ...
Installation Instructions
Page 13
... procedure (page 13). 2. From the heading screen, select Menu > Setup > System > System Information. 2. Enable the advanced configuration procedure (page 13). 2. Enable the advanced configuration procedure (page 13). 2. GHP 20 Installation Instructions 13 Test the change before making additional adjustments. 1. Test the autopilot configuration. 5. Adjusting the Autopilot Gain Settings NOTE: When you manually adjust the acceleration limiter...
... procedure (page 13). 2. From the heading screen, select Menu > Setup > System > System Information. 2. Enable the advanced configuration procedure (page 13). 2. Enable the advanced configuration procedure (page 13). 2. GHP 20 Installation Instructions 13 Test the change before making additional adjustments. 1. Test the autopilot configuration. 5. Adjusting the Autopilot Gain Settings NOTE: When you manually adjust the acceleration limiter...
Installation Instructions
Page 14
...; Green - Rx/B (-) NMEA 0183-Compatible Device Wire Function Power NMEA 0183 ground Rx/A (+) Rx/B (-) Tx/A (+) Tx/B (-) NOTE: When connecting NMEA 0183 devices with two transmitting and two receiving lines, it to the GHC 10) ➌ 12 VDC power source ➍ NMEA 0183-compatible device 14 GHP 20 Installation Instructions Tx/A (+) ➍ White - Rx...
...; Green - Rx/B (-) NMEA 0183-Compatible Device Wire Function Power NMEA 0183 ground Rx/A (+) Rx/B (-) Tx/A (+) Tx/B (-) NOTE: When connecting NMEA 0183 devices with two transmitting and two receiving lines, it to the GHC 10) ➌ 12 VDC power source ➍ NMEA 0183-compatible device 14 GHP 20 Installation Instructions Tx/A (+) ➍ White - Rx...
Installation Instructions
Page 15
... From 5°F to 131°F (from -15°C to 55°C) range Case material Fully gasketed, high-impact plastic, waterproof to IEC 60529 IPX7 standards Steering 9.5 ft. (3 m) controller cable length Alarm Dimensions (L × Diameter) /29 32 × 1 in. (23 × 25 mm) Weight 2.4 oz. (68 g) Temperature From 5°F to 131°... to 70°C) range Compass-safe 9 1/2 in . Rapid Update Water Speed Position - Rapid Update Cross Track Error Navigation Data GNSS Sats in View Wind Data GHP 20 Installation Instructions 15 Rapid Update 129025 Position -
... From 5°F to 131°F (from -15°C to 55°C) range Case material Fully gasketed, high-impact plastic, waterproof to IEC 60529 IPX7 standards Steering 9.5 ft. (3 m) controller cable length Alarm Dimensions (L × Diameter) /29 32 × 1 in. (23 × 25 mm) Weight 2.4 oz. (68 g) Temperature From 5°F to 131°... to 70°C) range Compass-safe 9 1/2 in . Rapid Update Water Speed Position - Rapid Update Cross Track Error Navigation Data GNSS Sats in View Wind Data GHP 20 Installation Instructions 15 Rapid Update 129025 Position -
Installation Instructions
Page 16
... transitions from displacement to adjust the value. If you to set this value too high, the autopilot may overshoot the desired heading on the GHC 10, use the arrows to correct the steering direction. 16 GHP 20 Installation Instructions If the value does not match the value on the GHC 10 at the slightest...
... transitions from displacement to adjust the value. If you to set this value too high, the autopilot may overshoot the desired heading on the GHC 10, use the arrows to correct the steering direction. 16 GHP 20 Installation Instructions If the value does not match the value on the GHC 10 at the slightest...