SkyView System Installation Guide - Dynon Avionics
SkyView System Installation Guide - Dynon Avionics SkyView System Installation Guide - Dynon Avionics
Accessory Installation and ConfigurationHeater Controller WiringFigure 90–Heated AOA/Pitot Probe Wiring OverviewBefore making the connections to your Heated AOA/Pitot Probe and controller, refer toAppendix C: Wiring and Electrical Connections. The table below provides general15-4 SkyView System Installation Guide - Revision O
Accessory Installation and Configurationrecommendations for wire gauge choice, given wiring run length. It assumes 10 amps ofcurrent.Probe to Controller WiringRun length (in feet) Gauge0 to 7 18 AWG7 to 9 16 AWG10 to 16 14 AWG17 to 24 12 AWG25 to 40 10 AWGTable 48–From FAA AC 43.13-1B, page 11-30As mentioned above, it is preferable that the heater controller box be mounted near enough tothe probe that 5 wires between the controller and probe can be connected without extension.The three mating pairs of colored wires–terminated with Fastons–are used to carry the currentto the heating element in the probe. The 2 white wires are for temperature measurement, andcan be small. If you have mounted the heater controller near the probe and do not need toextend the wires between the two, simply plug each wire on the controller into itscorresponding like-colored wire from the probe.If you do need to extend the wires between the probe and the controller, use therecommended wire size (see Table 48) for your run length. Since extending the wire runsrequires that you cut the connectors off the 5 wires between the probe and controller, splicethe extension wires between the probe and controller using butt splices or other similarlysecure method. The white wires are not polarity-dependent. Additionally, as the white wires donot carry any significant current, you may extend them with 26 AWG or larger for any runlength.Controller Power WiringThree wires–colored red, black, and white–exit the controller for connection to your electricalsystem. Power (between 10 and 15 volts DC) is fed to the controller via the red and black wires.The maximum current draw of the heated pitot controller/probe is 10 amps. You must routeyour own appropriately-sized wires to where the heater controller is mounted. Both power andground lines should be able to handle 10 amps with minimal voltage drop, as recommended inTable 48.The red wire should be connected through a pilot-accessible switch to the main power sourcein the aircraft (limited to 15 volts DC). The switch allows you to manually turn the heatercontroller on and off, depending on the situation. Install a 15 amp fuse at any point along thepower line to the heater controller. Remember that even when the controller is powered on, itonly heats the probe the amount necessary to maintain temperature.The black wire should be permanently connected to ground. Cutting power to the heatercontroller should occur via the red power line, not the black ground line.SkyView System Installation Guide - Revision O 15-5
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Accessory <strong>Installation</strong> and Configurationrecommendations for wire gauge choice, given wiring run length. It assumes 10 amps ofcurrent.Probe to Controller WiringRun length (in feet) Gauge0 to 7 18 AWG7 to 9 16 AWG10 to 16 14 AWG17 to 24 12 AWG25 to 40 10 AWGTable 48–From FAA AC 43.13-1B, page 11-30As mentioned above, it is preferable that the heater controller box be mounted near enough tothe probe that 5 wires between the controller and probe can be connected without extension.The three mating pairs of colored wires–terminated with Fastons–are used to carry the currentto the heating element in the probe. The 2 white wires are for temperature measurement, andcan be small. If you have mounted the heater controller near the probe and do not need toextend the wires between the two, simply plug each wire on the controller into itscorresponding like-colored wire from the probe.If you do need to extend the wires between the probe and the controller, use therecommended wire size (see Table 48) for your run length. Since extending the wire runsrequires that you cut the connectors off the 5 wires between the probe and controller, splicethe extension wires between the probe and controller using butt splices or other similarlysecure method. The white wires are not polarity-dependent. Additionally, as the white wires donot carry any significant current, you may extend them with 26 AWG or larger for any runlength.Controller Power WiringThree wires–colored red, black, and white–exit the controller for connection to your electricalsystem. Power (between 10 and 15 volts DC) is fed to the controller via the red and black wires.The maximum current draw of the heated pitot controller/probe is 10 amps. You must routeyour own appropriately-sized wires to where the heater controller is mounted. Both power andground lines should be able to handle 10 amps with minimal voltage drop, as recommended inTable 48.The red wire should be connected through a pilot-accessible switch to the main power sourcein the aircraft (limited to 15 volts DC). The switch allows you to manually turn the heatercontroller on and off, depending on the situation. Install a 15 amp fuse at any point along thepower line to the heater controller. Remember that even when the controller is powered on, itonly heats the probe the amount necessary to maintain temperature.The black wire should be permanently connected to ground. Cutting power to the heatercontroller should occur via the red power line, not the black ground line.<strong>SkyView</strong> <strong>System</strong> <strong>Installation</strong> <strong>Guide</strong> - Revision O 15-5