SV-EMS-220/221 Installation and Configuration
SkyView System Installation Guide - Revision AA 7-51
Legacy Dynon Avionics Oil Pressure Sensor (P/N 100411-002)
As of 2012, Dynon Avionics no longer supplies this sensor. For new installations, use the Kavlico
oil pressure sensor (above). To retrofit an installation of this sensor with a Kavlico oil pressure
sensor, see Retrofit Legacy Oil Pressure Sensor with Kavlico Oil Pressure Sensor, above.
For plug-compatible replacement of this sensor in existing installations, purchase
from Aircraft Spruce – 0-150 PSI, P/N 11-08066.
Mount the oil pressure sensor to a fixed location using an Adel
clamp (see Figure 70) or other secure method. The oil pressure
sensor must not be installed directly to the engine due to potential
vibration problems. Dynon Avionics’ sensor is supplied with a 1/8”
NPT pipe thread fitting. An adapter might be necessary for some
engines. Please see the manual supplied by the engine’s
manufacturer. You must use appropriate pipe fitting adapters and
ensure that the case of the sensor has a connection to ground. This is
critical for functionality.
Crimp a standard #8 ring terminal onto general purpose input wire
chosen for oil pressure. Unscrew the stud cap from the threaded stud.
Place the ring terminal on the stud and secure the cap down
sandwiching the ring terminal.
Due to vibration issues, never connect the
sensor directly to the engine.
If you use Teflon tape or other seal, ensure the
sensor casing still maintains a good connection
to ground.
Rotax 912, Rotax 914, and Jabiru Oil Pressure
If you are installing on a Rotax or Jabiru engine, your engine comes with a pre-installed oil
pressure sensor.
Prior to mid-2008, Rotax provided an oil pressure sensor with 2 tabs for electrical connection. If
you are using this sensor, connect one of the tabs to a general purpose input pin and connect
the other tab to ground (an SV-EMS-220/221 ground is appropriate.
In mid-2008, Rotax switched to a new type of oil pressure sensor made by Honeywell (Rotax
P/N 956413) with an integrated cable. Connect the red wire of the newer sensor to SV-EMS-
220/221 D37 pin 15 (+12 Volts Auxiliary), the white wire to SV-EMS-220/221 D37 pin 6, and the
black wire (if present) to ground (-) – See Table 54 below. Select the correct sensor type as
described in EMS Sensor Definitions, Mapping, and Settings.
Use an Adel clamp
Figure 67 – Legacy Dynon
Avionics Oil Pressure Sensor
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