Garmin 10v Installation Manual download pdf (Page 8)

8 GHP 10V Installation Instructions

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1. Open the Volvo multilink bus and disconnect the multilink breakout

cable.

2. Connect the proprietary Volvo connector

➊

from the Autopilot

Gateway to the multilink bus using the included Y-cable.

➊

➋

3. Close the Volvo multilink bus.

4. Connect the CCU interface connector

➋

to the CCU cable.

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Install the GHC 20 by ush-mounting it in the dashboard near the helm,

connecting it to the yellow wire from the CCU interconnect cable, and

connecting it to a NMEA 2000 network.

To use advanced features of the GHP 10V, optional NMEA

2000-compatible or NMEA 0183-compatible devices, such as a GPS

device, can be connected to the NMEA 2000 network or connected to

the GHC 20 through NMEA 0183.



Notice

The temperature range for the GHC 20 is from 5°F to 158°F (from

-15°C to 70°C). Extended exposure to temperatures outside of this

range (in storage or operating conditions) may cause failure of the

LCD screen or other components. This type of failure and related

consequences are not covered by the manufacturer’s limited warranty.

If you are mounting the GHC 20 in berglass, 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 berglass and

overtightened. Garmin recommends applying an anti-galling, stainless

anti-seize lubricant to the screws before installing them.

Before you can mount the GHC 20, you must select a mounting location

(page 5).

1. Trim the ush-mount template and ensure it will t in the location

where you plan to mount the GHC 20.

The ush-mount template is included in the product box, not in

these instructions.

The ush-mount template has adhesive on the back.

2. Remove the protective liner from the adhesive on the back of the

template and apply it to the location where you plan to mount the

GHC 20.

3. If you will be cutting the hole with a jigsaw instead of a 3

in. (90

mm) hole saw, use a

in. (10 mm) drill bit to drill a pilot hole as

indicated on the template to begin cutting the mounting surface.

4. Using the jigsaw or the 3.5

in. (90 mm) hole saw, cut the mounting

surface along the inside of the dashed line indicated on the ush-

mount template.

5. If necessary, use a le and sandpaper to rene the size of the hole.

6. Place the GHC 20 into the cutout to conrm that the four mounting

holes are correct.

7. Select an option:

• If the mounting holes are correct, proceed to step 8.

• If the mounting holes are not correct, mark the correct locations

of the four mounting holes.

8. Remove the GHC 20 from the cutout.

9. Drill the four

in. (2.8 mm) pilot holes.

If you are mounting the GHC 20 in berglass, use a countersink bit

as advised in the notice.

10. Remove the remainder of the template.

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

marine sealant around the gasket to prevent leakage behind the

dashboard.

12. Place the GHC 20 into the cutout.

13. Securely fasten the GHC 20 to the mounting surface using the

supplied screws.

If you are mounting the GHC 20 in berglass, use a anti-galling

lubricant as advised in the notice.

14. Snap the decorative bezel

➊

into place.

➊

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For the autopilot system to function correctly, you must connect two

wires from the GHC 20 data cable (yellow and black).

1. Connect the yellow wire from the GHC 20 data cable to the yellow

wire from the CCU interconnect cable.

If the cable is not long enough, extend the yellow wire with 22

AWG (.33 mm

) wire.

2. Connect the black wire on the GHC 20 data cable to the same

ground location as the CCU.

If the cable is not long enough, extend the black wire with 22 AWG

(.33 mm

) wire.

3. Solder and cover all bare-wire connections.

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You can install multiple GHC 20 devices (sold separately) to control the

autopilot from different locations on the boat.

• All additional GHC 20 devices must be connected to the

NMEA 2000 network (page 9).

• To use an additional GHC 20 to turn on the autopilot, connect the

yellow and black wires from the additional GHC 20 to the same

wires as the primary GHC 20.

◦ If you connect additional GHC 20 devices to turn on the

autopilot, you must turn them all off to turn off the autopilot.

◦ If you do not connect an additional GHC 20 to turn on the

autopilot, then the additional GHC 20 enters standby mode when

you turn it off, and the autopilot remains on until turned off by

the primary GHC 20.

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Garmin 10v Installation Manual Page 8

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