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messydeer
Joined: 13 Feb 2006
Posts: 214
Location: Bellingham, WA
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 Posted: Mon Oct 12, 2009 9:26 am Post subject: Filter Capacitor Wiring |
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Hi!
I'm starting the actual wiring on my firewall for my Jab 3300. I have the B&C OVM kit and there are a couple differences between the wiring diagram included and the Z diagrams, namely Z20L, which is specific for the Jab regulator.
The B&C wiring diagram shipped to me is drawing no. 505-500. It shows the ground lead from the regulator connected to the negative terminal on the capacitor. A wire from the negative capacitor then goes to the ground block, being twisted around the capacitor's positive output lead enroute.
The Z20L diagram shows the regulator ground going directly to ground and not to the capacitor. There is a separate ground for the capacitor. No twisted wires.
I plan to mount my regulator FWF with the capacitor behind it on the cool side of the firewall about a foot away, so wiring it either way would be easy for me.
I'm also curious about the twisted wires. The B&C diagram shows only the output positive lead of the capacitor being twisted, and not the feed from the regulator.
Also, the B&C drawing version shipped to me has a note that mentions limiting the distance between the capacitor and regulator to 6". This note is not found in the pdf file of theirs I found on their site. I have already drilled the #40 pilot holes for the regulator that would put it about a foot away from the capacitor before I read that note. I can without much problem shorten this distance to about 6", but don't know if it's worth it.
Thanks!
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| Description: |
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Z20L.pdf |
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| Description: |
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504-500_Rev_F B&C OVM wiring.pdf |
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_________________
Dan |
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nuckolls.bob(at)aeroelect
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| Posted: Mon Oct 12, 2009 6:45 pm Post subject: Filter Capacitor Wiring |
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| Quote: |
The Z20L diagram shows the regulator ground going directly to ground
and not to the capacitor. There is a separate ground for the
capacitor. No twisted wires.
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You can spend a lot of no-value added time sifting
the differences between the various recipes for
success. The points of concern you've identified
are not ctitical.
| Quote: | I plan to mount my regulator FWF with the capacitor behind it on the
cool side of the firewall about a foot away, so wiring it either way
would be easy for me.
|
take your pick
| Quote: | I'm also curious about the twisted wires. The B&C diagram shows only
the output positive lead of the capacitor being twisted, and not the
feed from the regulator.
Also, the B&C drawing version shipped to me has a note that mentions
limiting the distance between the capacitor and regulator to 6".
This note is not found in the pdf file of theirs I found on their
site. I have already drilled the #40 pilot holes for the regulator
that would put it about a foot away from the capacitor before I read
that note. I can without much problem shorten this distance to about
6", but don't know if it's worth it.
|
It will be fine the way you have it.
Bob . . .
---------------------------------------
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
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messydeer
Joined: 13 Feb 2006
Posts: 214
Location: Bellingham, WA
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