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Easy Installation
Expansion Hub

Make sure the boat is stationary and the engine is turned off while you are installing the Sensar Marine Expansion Hub.

Working near a battery can be dangerous and you should always follow the guidelines of your battery manufacturer. Avoid sparks or flames and make sure you have sufficient ventilation. Use eye protective gear and avoid touching your eyes. Wash hands when finished. Be careful when using metal tools as dropping them on a battery can create a short circuit, and possibly explosion or fire. Remove any personal items like rings, bracelets, necklaces, watches, or similar accessories.

Make sure the battery terminals are clean and the contacts are tightly fastened. Please mount cables to avoid wear and tear, and to prevent short circuits or sparks.

  • The Expansion Hub is sealed to make sure it always satisfies the manufacturer’s specifications to prevent electrical shock and fire hazards. No components inside can be repaired by unauthorized personnel. Do not try to open or repair yourself. Doing so can risk injury and/or damage, and the warranty will be void.
  • Do not connect the bilge pump without ensuring that a proper fuse is in place, in accordance with the bilge pump specifications. For continued fire protection, always replace fuse with new ones of the same type, and the same electrical specifications.
  • Clean only with mild detergents, never solvents or corrosive chemicals that may damage the surface of the unit, or the labels containing the product specifications.
  • To prevent possible short circuits and corrosion, make sure that all cables, cable contacts, and clamps are placed higher than the highest possible water level, and fastened with isolated fasteners and/or cable ties/ strips.
  • If the equipment is used in a way not specified by the manufacturer, it can cause the equipment to not provide the proper protection as advised, causing damage to the unit and personnel.

Attach the Expansion Hub

Mounting

  • Carefully review your desired mounting location and make sure that you have at least 3 inches (8 cm) of clearance to the left and right of the Expansion Hub so there’s space to connect the cables.
  • Mount on a solid surface.
  • Screw, tape or glue into place.

Connecting to the Boat Monitor

  • Using the provided 5-pin cable, connect the Expansion Hub by plugging it into the "Bilge Sentry" port on the Boat Monitor
  • If present, the existing Bilge Sentry cable should be moved to the "Bilge Sentry 1" connection on the Expansion Hub

 

There are no additional configuration or setup steps necessary.  Your Expansion Hub is now ready for use and will automatically transmit data through your Boat Monitor.

Expansion Hub Connected to Boat Monitor (2)

 

OPTIONAL: Connect to NMEA 2000

 

  1. Review boat's existing NMEA 2000 backbone
  2. Identify available T-connection or add a new T-connector (not included).
  3. Using a standard NMEA drop cable, connect the NMEA backbone to the corresponding port on the Expansion Hub.

No additional configuration is necessary.  Engine and fluid data transmitted over NMEA 2000 will now be captured by the Expansion Hub and transmitted to your Sensar Marine app via your Boat Monitor.

Expansion Hub data in app
NMEA data in app