Garmin TR-1 Gold Installation Instructions

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GHP™ Reactor

Hydraulic

Installation Instructions

Important Safety Information

WARNING

See the Important Safety and Product Information guide in the product box for product warnings and other important information.

You are responsible for the safe and prudent operation of your vessel. The autopilot is a tool that enhances your capability to operate your boat. It does not relieve you of the responsibility of safely operating your boat. Avoid navigational hazards and never leave the helm unattended.

Always be prepared to promptly regain manual control of your boat.

Learn to operate the autopilot on calm and hazard-free open water.

Use caution when operating the autopilot near hazards in the water, such as docks, pilings, and other boats.

CAUTION

When in use, beware of hot motor and solenoid components and the risk of entrapment from moving parts.

Failure to install and maintain this equipment in accordance with these instructions could result in damage or injury.

NOTICE

To avoid damage to your boat, the autopilot system should be installed by a qualified marine installer. Specific knowledge of hydraulic steering componentry and marine electrical systems is required for proper installation.

Installation Preparation

The autopilot system consists of multiple components. You should familiarize yourself with all of the component mounting and connection considerations before beginning installation. You must know how the components operate together in order to correctly plan the installation on your boat.

You can consult the layout diagrams (Power and Data Layout) to help understand the mounting and connection considerations.

You should lay out all of the components on the boat as you plan the installation to make sure your cables will reach each component. If needed, extension cables (sold separately) for various components are available from your Garmin® dealer or from www.garmin.com.

You should record the serial number of each component for registration and warranty purposes.

Tools Needed

•Safety glasses

•Drill and drill bits

•Wrenches

•90 mm (3.5 in.) hole saw or a rotary cutting tool

•Wire cutters/strippers

•Phillips and flat screwdrivers

•Cable ties

•Waterproof wire connectors (wire nuts) or heat-shrink tubing and a heat gun

•Marine sealant

•Marine corrosion inhibitor spray

•Portable or handheld compass (to test for magnetic interference)

•Hydraulic hose with machine-crimped or field-replaceable fittings that have a minimum rating of 1000 lbf/in2

•Hydraulic T-fittings

•Inline hydraulic shut-off valves

•Hydraulic fluid

•Thread sealant

•Hydraulic bleeding equipment

•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 each other and to power using the included cables. Ensure that the correct cables reach each component and that each component is in an acceptable location before mounting or wiring any components.

Helm Control Mounting Considerations

NOTICE

This device should be mounted in a location that is not exposed to extreme temperatures or conditions. The temperature range for this device is listed in the product specifications. Extended exposure to temperatures exceeding the specified temperature range, in storage or operating conditions, may cause device failure. Extreme-temperature-induced damage and related consequences are not covered by the warranty.

The mounting surface must be flat to avoid damaging the device when it is mounted.

Using the included hardware and template, you can flush mount the device in the dashboard. If you want to mount the device using an alternative method where it appears flat with the front of the dashboard, you must purchase a flat-mount kit (professional installation recommended) from your Garmin dealer.

When selecting a mounting location, observe these considerations.

•The mounting location should be at or below eye level to provide optimal viewing as you operate your vessel.

•The mounting location should allow easy access to the keys on the device.

•The mounting surface must be strong enough to support the weight of the device and protect it from excessive vibration or shock.

•To avoid interference with a magnetic compass, the device should not be installed closer to a compass than the compass-safe distance value listed in the product specifications.

May 2015

Printed in Taiwan

190-01768-02_0B

•The area behind the mounting surface must allow room for the routing and connection of the cables.

Helm Control Connection Considerations

•The helm control must connect to the NMEA 2000® network.

•Optional NMEA® 0183 devices, such as wind sensors, waterspeed sensors, or GPS devices can be connected to the helm control using a data cable (NMEA 0183 Connection Considerations).

CCU Mounting and Connection Considerations

•The CCU is the primary sensor of the GHP Reactor Hydraulic autopilot system. For best performance, observe these considerations when selecting a mounting location.

◦A handheld compass should be used to test for magnetic interference in the area where the CCU is to be mounted.

If the needle on a handheld compass moves when you hold it where you intend to mount the CCU, magnetic interference is present. You must choose another location and test again.

◦The CCU should be mounted on a rigid surface for best performance.

◦Although the CCU can be installed in any orientation on your boat, you can avoid the step of defining north in the setup procedure by meeting all of these considerations when selecting a mounting location (optional).

◦The connectors on the CCU must point toward the bow.

◦The base of the CCU must be at a right angle to the roll and pitch axis of the boat.

◦The CCU must be located near the center of rotation of the boat, slightly toward the front, if necessary.

•The CCU cable connects the CCU to the ECU and is 5 m (16 ft.) long.

◦If the CCU cannot be mounted within 5 m (16 ft.) of the ECU, extension cables are available from your local Garmin dealer or at www.garmin.com.

◦This cable must not be cut.

Finding the Best Mounting Location

1Create a list of all suitable mounting locations for the CCU where no iron, magnets, or high-current wires are located within 60 cm (2 ft.).

A large magnet, such as a subwoofer-speaker magnet should be no closer than 1.5 m (5 ft.) to these locations.

2Locate the center of rotation of the boat, and measure the distance between the center of rotation and each of the suitable mounting locations you listed in step 1.

3Select the location closest to the center of rotation.

If more than one location is approximately the same distance from the center of rotation, you should select the location that best meets these considerations.

•The best location is closest to the centerline of the boat.

•The best location is lower in the boat.

•The best location is slightly forward in the boat.

ECU Mounting and Connection Considerations

•The ECU can be mounted on a flat surface, facing any direction.

•Mounting screws are included with the ECU, but you may need to provide different screws if the supplied screws are not suitable for the mounting surface.

•The ECU must be located within 0.5 m (19 in.) of the pump.

◦The cables connecting the ECU to the pump 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).

Shadow Drive™ Mounting Considerations

NOTE: The Shadow Drive is a sensor you install in the hydraulic steering lines of your boat. It detects when you manually take control of the helm and suspends autopilot control of the boat.

•The Shadow Drive must be mounted horizontally and as level as possible, with cable ties firmly securing it in place.

•The Shadow Drive must be mounted at least 305 mm (12 in.) away from magnetic materials or devices, such as speakers or electric motors.

•The Shadow Drive should be mounted closer to the helm than to the pump.

•The Shadow Drive should be mounted lower than the helm, but higher than the pump.

•The Shadow Drive must not be connected directly to the fitting at the back of the helm. There must be a length of hose between the fitting at the helm and the Shadow Drive.

•The Shadow Drive must not be connected directly to a hydraulic T-connector in the hydraulic line. There must be a length of hose between a T-connector and the Shadow Drive.

•In a single-helm installation, there must not be a T-connector between the helm and the Shadow Drive.

•In a dual-helm installation, the Shadow Drive should be installed between the pump and the hydraulic T-connector that leads to the upper and lower helm, closer to the helm than to the T-connector.

•The Shadow Drive must be installed in either the starboard steering line or the port steering line.

The Shadow Drive must not be installed in either the return line or the high-pressure line, if applicable.

Alarm Mounting and Connection Considerations

•The alarm should be mounted near the primary helm station.

•The alarm can be mounted under the dashboard.

•If needed, the alarm wires can be extended with 28 AWG (0.08 mm2) wire.

NMEA 2000 Connection Considerations

•The CCU and the helm control must connect to a NMEA 2000 network.

•If your boat does not already have a NMEA 2000 network, one can be built using the included NMEA 2000 cables and connectors (Building a Basic NMEA 2000 Network for the Autopilot System).

•To use the advanced features of the autopilot, optional NMEA 2000 devices, such as a wind sensor, a water-speed sensor, or a GPS device, can be connected to the NMEA 2000 network.

Power and Data Layout

WARNING

When connecting the power cable, do not remove the in-line fuse holder. To prevent the possibility of injury or product damage caused by fire or overheating, the appropriate fuse must be in place as indicated in the product specifications. In addition, connecting the power cable without the appropriate fuse in place will void the product warranty.

Garmin TR-1 Gold Installation Instructions

Component Layout

Single-Helm Layout

Item

Description

Important Considerations

Helm control

This cable should be installed only if you are

data cable

connecting the autopilot to optional NMEA 0183

devices, such as a wind sensor, a water-speed

sensor, or a GPS device (NMEA 0183

Connection Considerations).

NMEA 2000

This cable should be installed only if you are

power cable

building a NMEA 2000 network. Do not install

this cable if there is an existing NMEA 2000

network on your boat.

The NMEA 2000 power cable must be

connected to a 9 to 16 Vdc power source.

NMEA 2000

The helm control and the CCU must be

network

connected to a NMEA 2000 network using the

included T-connectors (NMEA 2000 Connection

Considerations).

If there is not an existing NMEA 2000 network

on your boat, you can build one using the

supplied cables and connectors (Building a

Basic NMEA 2000 Network for the Autopilot

System).

ECU

CCU

The CCU can be mounted in a non-submerged

location near the center of the boat, in any

orientation (CCU Mounting and Connection

Considerations).

The CCU must be located away from sources of

magnetic interference.

ECU power

The ECU must be connected to a 12 to 24 Vdc

cable

power source. To extend this cable, use the

correct wire gauge (Power Cable Extensions).

CCU cable

To extend this cable to reach the ECU,

extensions (sold separately) may be necessary

(CCU Mounting and Connection

Considerations).

This cable connects to the alarm and the

Shadow Drive.

Pump

This diagram shows only the electrical

connections for the pump (sold separately).

Detailed installation instructions are included

with the pump.

Alarm

The alarm provides audible alerts from the

autopilot system, and should be installed near

the helm control (Installing the Alarm).

Shadow Drive

The Shadow Drive must be installed properly in

the hydraulic steering line, and connected to the

CCU cable (Installing the Shadow Drive).

NOTE: This diagram is for planning purposes only. If needed, specific connection diagrams are included in the detailed installation instructions for each component.

Hydraulic connections are not shown in this diagram.

Item	Description	Important Considerations
À	Helm control

Á	Pump

Â	ECU

Ã	12 to 24 Vdc	The ECU must be connected to a 12 to 24 Vdc
	battery	power source. To extend this cable, use the
		correct wire gauge (Power Cable Extensions).
		The NMEA 2000 power cable must be
		connected to a 9 to 16 Vdc power source.
Ä	CCU	The CCU can be mounted in a non-submerged
		location near the center of the boat, in any
		orientation (CCU Mounting and Connection
		Considerations).
		The CCU must be located away from sources of
		magnetic interference.
Å	NMEA 2000	The helm control and the CCU must be
	network	connected to a NMEA 2000 network using the
		included T-connectors (NMEA 2000 Connection
		Considerations).
		If there is not an existing NMEA 2000 network
		on your boat, you can build one using the
		supplied cables and connectors (Building a
		Basic NMEA 2000 Network for the Autopilot
		System).

Dual-Helm Layout Guidelines

NOTE: This diagram is for planning purposes only. If needed, specific connection diagrams are included in the detailed installation instructions for each component.

Hydraulic connections are not shown in this diagram.

Item	Description	Important Considerations
À	Helm control

Á	12 to 24 Vdc	The ECU must be connected to a 12 to 24 Vdc
	battery	power source. To extend this cable, use the
		correct wire gauge (Power Cable Extensions).
		The NMEA 2000 power cable must be
		connected to a 9 to 16 Vdc power source.
Â	Pump

Ã	ECU

Item	Description	Important Considerations
Ä	NMEA 2000	The helm control and the CCU must be
	network	connected to a NMEA 2000 network using the
		included T-connectors (NMEA 2000 Connection
		Considerations).
		If there is not an existing NMEA 2000 network
		on your boat, you can build one using the
		supplied cables and connectors (Building a
		Basic NMEA 2000 Network for the Autopilot
		System).
Å	CCU	The CCU can be mounted in a non-submerged
		location near the center of the boat, in any
		orientation (CCU Mounting and Connection
		Considerations).
		The CCU must be located away from sources of
		magnetic interference.

Installation Procedures

CAUTION

Always wear safety goggles, ear protection, and a dust mask when drilling, cutting, or sanding.

NOTICE

When drilling or cutting, always check what is on the opposite side of the surface.

After you have planned the autopilot installation on your boat and satisfied all of the mounting and wiring considerations for your particular installation, you can begin mounting and connecting the components.

Helm Control Installation

You must Install the helm control by flush-mounting it in the dashboard near the helm and connecting it to a NMEA 2000 network.

To use advanced features of the autopilot, optional NMEA 2000compatible or NMEA 0183-compatible devices, such as a wind sensor, water-speed sensor, or GPS device, can be connected to the NMEA 2000 network or connected to the helm control through NMEA 0183.

Mounting the Helm Control

NOTICE

If you are mounting the device in fiberglass, when drilling the four pilot holes, it is recommended to use a countersink bit to drill a clearance counterbore through only the top gel-coat layer. This will help to avoid any cracking in the gel-coat layer when the screws are tightened.

Stainless-steel screws may bind when screwed into fiberglass and overtightened. Garmin recommends applying an anti-seize lubricant to the screws before installing them.

Before you can mount the helm control, you must select a mounting location (Helm Control Mounting Considerations).

1Trim the flush-mount template and ensure it fits in the selected mounting location.

The flush-mount template is included in the helm control product box.

2 Secure the template to the selected mounting location.

3If you plan to cut the hole with a rotary cutting tool instead of a 90 mm (3.5 in.) hole saw, use a 10 mm (3/8 in.) drill bit to drill a pilot hole as indicated on the template to begin cutting the mounting surface.

4Using the hole saw or rotary cutting tool, cut the mounting surface along the inside of the dashed line indicated on the template.

5If necessary, use a file and sandpaper to refine the size of the hole.

6Place the helm control into the cutout to confirm that the four mounting holes on the template are in the correct locations.

7If the mounting holes are not correct, mark the correct locations of the four mounting holes.

8 Remove the helm control from the cutout. 9 Drill the four 2.8 mm (7/64 in.) pilot holes.

If you are mounting the helm control in fiberglass, you should use a countersink bit as advised in the notice.

10Remove the remainder of the template.

11Place the included gasket on the back of the device.

You can apply marine sealant around the gasket to prevent leakage behind the dashboard (optional).

12Place the helm control 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 into place.

Mounting the CCU

1 Determine the mounting location.

2Using the CCU as a template, mark the two pilot hole locations on the mounting surface.

3 Using a 3 mm (1/8 in.) bit, drill the pilot holes.

4Use the included screws to attach the CCU to the mounting surface.

ECU Installation

Mounting the ECU

Before you can mount the ECU, you must select a location and determine the correct mounting hardware (ECU Mounting and Connection Considerations).

1Hold the ECU in the intended mounting location and mark the locations of the mounting holes on the mounting surface, using the ECU as a template.

2Using a drill bit appropriate for the mounting surface and selected mounting hardware, drill the four holes through the mounting surface.

3Secure the ECU to the mounting surface using the selected mounting hardware.

Connecting the ECU to Power

WARNING

You should connect the ECU power cable directly to the boat battery, if possible. Although it is not recommended, if you connect the power cable to a terminal block or other source, you must connect it through a 40 A fuse.

If you plan to route the ECU power through a breaker or a switch near the helm, you should consider using an appropriately sized relay and control wire instead of extending the ECU power cable.

1Route the connector-terminated end of the ECU power cable to the ECU, but do not connect it to the ECU.

2Route the bare-wire end of the ECU power cable to the boat battery.

If the wire is not long enough, it can be extended (Power Cable Extensions).

3Connect the black wire (-) to the negative (-) terminal of the battery, and connect the red wire (+) to the positive (+) terminal of the battery.

4After you install all of the other autopilot components, connect the power cable to the ECU.

Power Cable Extensions

If necessary, the power cable can be extended using the appropriate wire gauge for the length of the extension.

Item Description

Fuse

Battery

9 ft. (2.7 m) no extension

Item

Description

Splice

10 AWG (5.26 mm²) extension wire

Fuse

8 in. (20.3 cm)

Battery

8 in. (20.3 cm)

Up to 15 ft. (4.6 m)

Item

Description

Splice

8 AWG (8.36 mm²) extension wire

Fuse

8 in. (20.3 cm)

Battery

8 in. (20.3 cm)

Up to 23 ft. (7 m)

Item	Description
À	Splice

Á	6 AWG ( 13.29 mm²) extension wire

Â	Fuse

Item Description

8 in. (20.3 cm)

Battery

8 in. (20.3 cm)

Up to 36 ft. (11 m)

Installing the Pump

The pump (sold separately) must be installed in your hydraulic steering lines so the GHP Reactor Hydraulic autopilot can steer your boat. When you purchase a pump sold by Garmin, it will have the correct cables, connectors, and instructions.

Follow the installation instructions provided with your pump to mount it and connect it to your hydraulic steering system correctly.

Bleeding the Hydraulics

NOTICE

This is a general procedure for bleeding a hydraulic steering system. Refer to the instructions provided by the manufacturer of the steering system for more-specific information about bleeding the system.

Before you bleed the hydraulic system, you should verify that all hose connections are complete and fully tightened.

1Select an option:

•If the helm reservoir contains insufficient fluid, fill it as needed.

•If the helm reservoir contains excess fluid, remove the excess to avoid fluid overflow during the bleeding process.

2 Insert a bypass hose between the cylinder bleed ports.

TIP: If you use a clear plastic hose for this bypass, you can observe air bubbles during the bleeding processes.

3 Manually steer the helm fully to port.

4 Open both bypass valves at the cylinder fittings.

5 Manually turn the helm slowly to port over three minutes.

TIP: You can stop turning when you no longer see air moving through the bypass hose.

6 Turn on the autopilot system and disable the Shadow Drive.

You can refer to the autopilot system documentation for more information on disabling the Shadow Drive.

7 Hold (port) on the helm control for at least 10 seconds.

TIP: You can stop holding when you no longer see air moving through the bypass hose.

8 Close both bypass valves at the cylinder fittings.

9 If necessary, add fluid to the helm reservoir.

10Repeat steps 3 through 9 for the starboard side.

11Hold (port) on the helm control until steering stops and Hydraulic Pump Stall is shown on the helm control.

12Hold (starboard) on the helm control until steering stops and Hydraulic Pump Stall is shown on the helm control.

13Select an option:

•If Hydraulic Pump Stall is not shown within 2 to 3 seconds after the cylinder stops, repeat steps 1-13 to bleed the system again.

•If Hydraulic Pump Stall is shown within 2 to 3 seconds after the cylinder stops, the system bleed completed successfully.

After hydraulic bleeding is complete, you can re-enable the Shadow Drive.

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