SV-EMS-220/221 Installation and Configuration
SkyView System Installation Guide - Revision AA 7-53
Note: If you are converting a Dynon Avionics D10/D100 product installation to a SkyView
installation, you should remove any resistor that is connected to the existing oil pressure
sensor. It is not needed when used with SkyView.
Rotax oil pressure sensors, including P/N 456180 and P/N 956413, are compatible
only with SV-EMS-220/221 D37 pin 6 (White/Yellow wire). They will not function if
connected to any other pin/wire.
Oil Temperature Sensors
While a Dynon Avionics oil temperature sensor may be connected to any
general purpose input pin on the SV-EMS-220/221’s D37, we
recommend that it be connected to pin 7 on this connector.
The oil temperature sensor needs to be installed according to the
directions of the engine manufacturer. Dynon Avionics sells oil
temperature sensors with both 5/8-18 UNF (Dynon Avionics P/N
100409-001) and 1/8-27 NPT (Dynon Avionics P/N 100409-000) threads.
Ensure that you have the right sensor for your engine.
Dynon Avionics P/N 100409-001 5/8-18 UNF Oil Temperature Sensor is
furnished with an AN900-10 Crush Washer (Dynon Avionics P/N
102189-000).
When tightening the 100409-001 5/8-18 UNF Oil Temperature Sensor into place,
the Crush Washer must be centered. Failure to do so may result in an improper
seal.
Another option for sealing the sensor to the engine case is Earl's Stat-O-Seal Sealing Washer #
178010 installed between the sensor and the engine case.
Tighten the sensor according to your engine manufacturer’s recommendations.
Route the wire from a general purpose input pin on the EMS 37-pin Main Sensor Harness to
where the oil temperature sensor is mounted. When routing the wires, make sure that they are
secured, so they will not shift position due to vibration. Strip ¼” of insulation off the end of the
wire. Crimp a #10 ring terminal onto the end of the wire, ensuring that a good connection is
made between the wire and the connector. Unscrew the nut from the stud on the oil
temperature sensor. Slip the ring terminal onto the stud and secure the nut over it.
Some oil temperature sensors that SkyView supports (but are not sold by Dynon Avionics), such
as the GRT FT-LC-01, have two wires. To connect this style of sensor, connect one wire to a
Ground pin on the SV-EMS-220/221 – any of Pins 3, 13, 16, 17, or 30. It is acceptable to use an
SV-EMS-220 Ground pin / wire to provide a ground connection to more than one sensor.
Connect the other wire to the chosen general purpose input.
Rotax 914
Rotax supplies the oil temp sensor – P/N 801-10-1.
1/8-27 NPT
P/N 100409-000
Figure 70 – Dynon
Avionics Oil
5/8-18 UNF
P/N 100409-001
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