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For complete instructions on setting up a new NMEA 2000 network or
expanding an existing one, see the other document packed with your
EP-90R, "Setup and Installation of NMEA 2000 Networks, General
Information" part number 988-0154-173. If that document is not
available, it can be downloaded free from the Lowrance web site.
Installation
The EP-90R Pressure sensor can provide pressure data for the
following categories: Atmospheric Pressure, Engine Boost Pressure,
Engine Oil Pressure, Engine Water Pressure, Fuel Pressure,
Transmission Oil Pressure and Pitot Speed.
WARNING:
The maximum pressure for an EP-90R Pressure sensor is
100 PSI (689 kPa). If that pressure level is exceeded you
not only risk damaging the EP-90R, but could also suffer
bodily injury.
Pitot Tube (Water Speed)
We recommend installing the EP-90R near the boat’s original
speedometer.
NOTE:
If your engine does not have a speedometer hose, you will have to
purchase a pitot tube kit to use the EP-90R Pressure sensor. For
pitot tube installation instructions, refer to your pitot tube
installation manual.
The following steps cover the recommended installation of the EP-90R.
You will attach the EP-90R to a pitot tube hose in the same manner.
1. Remove the pressure hose from the boat’s speedometer.
2. Clip off the end of the pressure hose that was connected to the
speedometer. This will help ensure the pressure hose will fit snugly on
the EP-90R hose barb attachment. The hose-barb attachment
requires a 1.4" (6.35 mm) hose.
1/4 " hose barb attachment