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Laz
Joined: 04 Jan 2016
Posts: 30
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 Posted: Sat Apr 30, 2016 4:11 am Post subject: carling s700 |
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For some reason I am really getting confused about the. Batt/master switch and how it is wired. I am using a clarling toggle, S2077 I believe. It has three positions. I think this switch is a On/On/On type. You want one position for everything off. One for Battery only and one for Battery and Alternator. When I look at the diagram of the switch for page Z-11 it appears that one position connects the Battery only, one connects the battery and the Alt. and one is off. It appears that the one position connects with Term 3 and six which are used as the off position.
Am I even close on this ?
Mike
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user9253
Joined: 28 Mar 2008
Posts: 1927
Location: Riley TWP Michigan
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| Posted: Sat Apr 30, 2016 5:53 am Post subject: Re: carling s700 |
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Mike,
Your analysis seems correct to me. I could not find part number S2077. B&C part number is S700-2-10. Since no wires are connected to terminals 3 and 6, that position (down) must be off.
Terminal 1 is connected with the switch either centered or fully up.
Terminal 4 is connected only with the switch fully up.
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Joe Gores |
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nuckolls.bob(at)aeroelect
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| Posted: Sat Apr 30, 2016 11:20 am Post subject: carling s700 |
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At 07:09 AM 4/30/2016, you wrote:
| Quote: | For some reason I am really getting confused about the. Batt/master switch and how it is wired. I am using a clarling toggle, S2077 I believe. It has three positions. I think this switch is a On/On/On type. You want one position for everything off. One for Battery only and one for Battery and Alternator. When I look at the diagram of the switch for page Z-11 it appears that one position connects the Battery only, one connects the battery and the Alt. and one is off. It appears that the one position connects with Term 3 and six which are used as the off position.
Am I even close on this ? |
Z13/8 doesn't show a progressive transfer battery
master. It shows a simple DC master ON/OFF wherein
the alternator can be disabled by pulling the field
breaker. The switch called out is the simple
DPDT/ON-ON S700-2-3 device (B&C part number)
[img]cid:7.1.0.9.0.20160430141011.06238b18(at)aeroelectric.com.0[/img]
Figure Z-11 shows the progressive transfer
S700-2-10 switch that emulated the split rocker
switch popularized on many single engine aircraft
over the years.
[img]cid:7.1.0.9.0.20160430141011.06238b18(at)aeroelectric.com.1[/img]
Examination of the schematic symbol illustrates
internal functionality of the DP3T/ON-ON-ON
device.
EITHER style of switch can be used . . .
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