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Fwd: Hello everyone , new here and need some help !

 
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nuckolls.bob(at)aeroelect
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PostPosted: Mon Sep 24, 2018 7:45 am    Post subject: Fwd: Hello everyone , new here and need some help ! Reply with quote

At 02:11 AM 9/24/2018, you wrote:
Quote:
Thank you Bob.

It’s great to have access to your thoughts. With your recommended actions below following a main alt failure, does this mean you recommend operating with the Aux Alt always turned on ? Or is this turned on in addition to selecting DC PWR Off and E-Bus Alt feed.

Z-13/8

Pre Engine Start:

  E-BUS Alt Feed . . CLOSE for ATIS/Clearance
  then . . OPEN

Normal ops: DC PWR master . . . BAT + ALT
  AUX alternator . . OFF
  E-BUS Alt Feed . . OPEN

On presentation of LV warning:

  DC PWR master . . . OFF until airport in sight
  AUX alternator . . ON
  E-BUS Alt Feed . . CLOSED
  E-Bus Loads . . . . reduce as needed

Airport in sight:

  DC PWR master . . . BAT only



Quote:
Out of interest what is the SD-8 output doing when the Aux Alt relay is open ? Does it produce a steady 12 , or float around if I was measuring it ?

14.0 plus or minus . . . it's not loaded
so the regulator is a bit sloppy until the
relay is closed to hook it to the battery.


Bob . . .


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