Garmin OnDeck Hub Installation manual
ONDECK
™
INSTALLATION
INSTRUCTIONS
Important Safety Information
WARNING
Failure to follow these warnings, cautions, and notices could
result in personal injury, damage to the vessel or device, or poor
product performance.
See the Important Safety and Product Information guide in the
product box for product warnings and other important
information.
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 voids the product warranty.
CAUTION
To avoid possible personal injury, always wear safety goggles,
ear protection, and a dust mask when drilling, cutting, or
sanding.
To avoid possible personal injury or damage to the device and
vessel, disconnect the vessel's power supply before beginning
to install the device.
To avoid possible personal injury or damage to the device or
vessel, before applying power to the device, make sure that it
has been properly grounded, following the instructions in the
guide.
NOTICE
For the best possible performance, the device must be installed
according to these instructions.
When drilling or cutting, always check what is on the opposite
side of the surface to avoid damaging the vessel.
Read all installation instructions before proceeding with the
installation. If you experience difficulty during the installation,
contact Garmin® Product Support.
Contacting Garmin Support
• Go to support.garmin.com for help and information, such as
product manuals, frequently asked questions, videos, and
customer support.
• In the USA, call 913-397-8200 or 1-800-800-1020.
• In the UK, call 0808 238 0000.
• In Europe, call +44 (0) 870 850 1241.
Connector View
Power button
FACTORY RESET Deletes all personal data and resets default
settings
STATUS Indicates device status
CELL Indicates cell operation
POWER Power cable connection
NMEA 2000 NMEA 2000® network
NETWORK Garmin Marine Network
IN/OUT Connects relays and wired sensors, such as
temperature, security, and shore power
GPS Connects to an external GPS antenna
Tools Needed
• Drill
• Drill bits appropriate for the surface and hardware
• Phillips screwdrivers
• Pencil
• Solderless wire-splice connector, or solder and heat-shrink
tubing
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.
• You must mount the device in a location where it will not be
submerged.
• You must mount the device in a location with adequate
ventilation where it will not be exposed to extreme
temperatures.
• You must mount the device at least 102 mm (4 in.) from
cables and other potential sources of interference.
• You must mount the device in a location that allows room for
the routing and connection of all cables.
• You must mount the device with the connectors facing up
when mounted on a horizontal surface or out when mounted
on a vertical surface. Do not install with the connectors facing
down or facing the mounting surface. The internal GPS
antenna will not work if mounted in this orientation. See
Installing the Antennas, page 2.
• For optimal internal GPS reception, you should mount the
device in a location where it is above the water line when the
vessel is in the water and if possible, has a clear view of the
sky.
• If you mount the device in a vessel with a metal hull or with
the internal GPS antenna blocked or oriented poorly, you
must connect the device to an external GPS antenna (sold
separately).
• For the best cellular signal, mount the device where it has a
clear view of the sky. If it is mounted inside of a cabin, it
should be close to a window so it can receive the cellular
signal.
GUID-6AED2D91-1EED-4702-BB7B-92D845BF82D6 v5December 2020
Mounting the GTB 10 Black Box Device
NOTICE
If you are mounting the device in fiberglass, when drilling the
pilot holes, use a countersink bit to drill a clearance counterbore
through only the top gel-coat layer. This will help to avoid
cracking in the gel-coat layer when the screws are tightened.
NOTE: Screws are included with the device, but they may not
be suitable for the mounting surface.
Before you mount the device, you must select a mounting
location, and determine what screws and other mounting
hardware are needed for the surface.
Place the black box device in the mounting location, and
1
mark the location of the pilot holes.
Drill a pilot hole for one corner of the device.
2
Loosely fasten the device to the mounting surface with one
3
corner, and examine the other three pilot-hole marks.
Mark new pilot-hole locations if necessary, and remove the
4
device from the mounting surface.
Drill the remaining pilot holes.
5
Secure the device to the mounting location.
6
Installing the Antennas
After mounting the device, you must orient both antennas
pointing toward the sky for the best reception.
Remove the black, rubber cap from the connector.
1
Loosely attach the antenna to the connector.
2
Orient the antenna toward the sky.
3
• If you are installing the device on a vertical surface, such
as a bulkhead, you must install the antennas parallel to
the black box .
• If you are installing the device on a horizontal surface, you
must install the antennas perpendicular to the black box
.
NOTE: You must have the antenna oriented properly for the
cover to fit.
Connection Considerations
When connecting this device to power and to other Garmin
devices, you should observe these considerations.
• You must check the power and ground connections to the
battery to make sure they are secured and cannot become
loose.
• You must make sure the locking rings are tightened so the
power or data connection remains secure.
• Bare wire connections must be water tight if they will be
exposed to moisture. You can use heat-shrink type butt
connectors or other water-tight connections.
• To prevent corrosion of the metal contacts, you must cover
unused connectors with weather caps.
• For the best connection of the GPS antenna, completely
remove the weather cap from the GPS connector.
• If you need to extend the IN/OUT wires, use minimum of
24 AWG (0.08 mm2) wire.
• You should install a 1 Amp fuse on all relay controls, Boat-inUse, Bilge 1/2, and Battery 1/2 input wires at the positive
input to the power source.
Connecting to Power
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 voids the product warranty.
To properly monitor your vessel when the ignition is off, you
should not connect the power cable to the device through the
ignition.
While holding the antenna in the appropriate position, finger
4
tighten the antenna nut.
Using the included wrench, rotate the nut another 45 degrees
5
to fully tighten the antenna nut.
The recommended torque applied to the nut is 0.56 N-m
(5 lbf-in.), or finger tight plus 45 degrees.
NOTICE
To ensure a water-tight connection, tighten the antenna nut
to 0.56 N-m (5 lbf-in.). Over tightening the nut could cause
damage to the device.
Place the cover over the connecter.
6
Secure the cover using the small screw and included #0
7
Phillips screwdriver.
Repeat these steps to install the second antenna.
8
Fuse (7.5 A, 42 V fast-acting)
Battery
6 ft. (1.8 m) no extension
Route the power cable between the power source and the
1
device.
Connect the red power wire to the positive (+) battery
2
terminal.
Connect the black wire to the negative (-) battery terminal.
3
Connect the power cable to the device, and turn the locking
4
ring clockwise to tighten it.
Power Cable Extensions
If necessary, the power cable can be extended using the
appropriate wire gauge for the length of the extension.
Splice
• Up to 15 ft. (4.6 m): 10 AWG (5.26 mm2) extension wire
• Up to 23 ft. (7 m): 8 AWG (8.36 mm2) extension wire
• Up to 36 ft. (11 m): 6 AWG (13.29 mm2) extension wire
Fuse (7.5 A, 42 V fast-acting)
2
8 in. (20.3 cm)
Battery
8 in. (20.3 cm)
36 ft. (11 m) maximum extension
Connection Diagram
Garmin chartplotter connected to the Garmin Marine Network and
NMEA 2000 network
GTB 10 black box device
Sensor connected through the NMEA 2000 network
GPS antenna with a BNC connector (sold separately and required
only if the internal GPS antenna reception is poor)
NMEA 2000 network
Optional switch. Must be turned on for remote operation
Power source
OnDeck sensors and relays
IN/OUT Cable Pinout
Pin Number Wire Function Wire Color
Bilge 2 Red/white
Security White/green
Battery 1 Pos Red
Battery 1 Neg Green
Battery 2 Pos Yellow
Battery 2 Neg Orange
Ground (shield) Black
Temp Light green
NOTICE
All connections should be made using proper electrical
connectors. Extra caution must be made when making
watertight electrical connections.
Notes
• Each relay control wire is rated for up to 1 A. External relay
switches are recommended. For higher-current loads,
external relay switches are required. Do not connect these
wires to the positive side of a power source.
• You should install a 1 Amp fuse on all relay controls, Boat-inUse, Bilge 1/2, and Battery 1/2 inputs at the positive input to
the power source.
• The Boat-in-Use, Bilge 1/2, and Battery 1/2 inputs require a
voltage between 10 and 32 Vdc.
• If the boat's ground is ever intended to be switched off from
the power source, do not directly connect the Ground (black)
wire from the IN/OUT wiring harness to the negative side of
the of the GTB 10 black box device's power source.
Installing the Shore Power Sensor
You can connect the AC shore power sensor to the OnDeck
system to be alerted when the outlet loses power. The shore
power sensor also enables the device to stay in a full-power
state when the boat is connected to shore power.
NOTICE
To avoid damage to the sensor, you must install this sensor in a
dry location.
Pin Number Wire Function Wire Color
Relay 1 White
Relay 2 White/orange
Relay 3 Gray
Relay 4 Pink
Relay 5 Brown
Relay 6 (Aux)
Relay 7 (NMEA 2000)
Shore Power White/blue
Wake (unused) Violet
Boat-in-Use White/violet
Bilge 1 White/black
1
This relay is automatically controlled by the GTB 10 black box device to switch
power to Garmin Marine Network devices.
2
This relay is automatically controlled by the GTB 10 black box device to switch
power to NMEA 2000 devices.
1
2
White/brown
Blue
Select and install the proper plug type for your AC system.
1
NOTE: Do not plug in the shore power sensor to the power
outlet at this time.
Connect the white wire from the shore power sensor to the
2
white/blue wire on the IN/OUT wiring harness.
Connect the black wire from the shore power sensor to the
3
black wire on the IN/OUT wiring harness.
Plug in the shore power sensor to an AC outlet that is
4
connected to the boat's shore power connection.
Installing the Temperature Sensor
Connect one wire from the temperature sensor to the light
1
green wire on the IN/OUT wiring harness.
Connect the other wire from the temperature sensor to the
2
black wire on the IN/OUT wiring harness.
Use the ring on the temperature sensor to secure it, as
3
needed.
You must set up the sensor in the ActiveCaptain® app.
Installing the Security Sensor
You can connect up to 30 security sensors carefully installed
and tested in series.
The two parts of the security sensor should not be more than
10 mm (0.4 in.) apart when the door or window is closed to
engage the magnet.
3
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