Kohler full-output at 120 volts? [RE-wrenches]

[allan]

Steve,
    After sending my response I read yours, which is very clear.  Only one
thing, though: you say that stator lead #3 is always grounded to the
chassis.  I think that doing that forces the neutral-to-ground bond that I
just ranted against.
    OK, y'all.  My Kohler distributor recommended, for unbonded 120V
operation (this is 8.5/11 RMY, but others are similar):
2&4 leads are hot; 1&3 are neutral.  V4 wire goes from #4 lead to V8
terminal; V1 wire goes from #2 lead to V7 terminal (only V7 is used). V0
goes to AC neutral at a split bolt, to break bond.

Allan at Positive Energy

-----Original Message-----
From: Steve Willey, Backwoods Solar <steve at backwoodssolar.com>
To: RE-wrenches at topica.com <RE-wrenches at topica.com>
Date: Monday, August 28, 2000 5:09 PM
Subject: Re: Kohler full-output at 120 volts? [RE-wrenches]


>Kohler 10RY and the discontinued 6.5ROY air cooled 1800 RPM can all be
>rewired for full power 120 volt single circuit, or for split 120/240 with
>half power on each of two 120 legs. It simply requires switching the wires
>in behind the circuit breaker panel to put the two coils in series with
>opposite phases or in parallel with same phase.  The diagrams in the
>OPERATION (not the installation)  manual,  page 5-1 and 5-2, figure 5-2 for
>120 volt full power and figure 5-3 for 120/240 volt.  Output power wires
are
>numbered 1, 2, 3, 4. #3 is AL:WAYS grounded to  stud on the chassis. Also
on
>that stud bolt is EITHER gen output #1 for full power 120 volt, or
Generator
>output #2 for 120/240 set-up.  The remaining two gen wires are connected to
>the output breakers as shown in the two drawings.  In reversing these two
>wires you will find the small tip on the wire originally on the breaker
will
>not fit the stud and needs to be changed to a larger tip.  Also there are 4
>voltage regulator small white wires on these same output terminals.
Labeled
>V1, V2, V3, V4.  Do not move these from where they originally are.
>
>Steve Willey   www.backwoodssolar.com
>Backwoods Solar Electric Systems
>A catalog business on a mountain
>2 miles from utility lines,
>powered entirely by our catalog products.
>IF UTILITY POWER IS 1/2 MILE OR MORE FROM YOUR SITE,
>get our free 160 page solar-electric Planning Guide/Catalog.
>(Your postal address required - Our list is never given or sold).
>Phone(208)263-4290  Fax (208) 265-4788  in Idaho, USA
>
>
>----- Original Message -----
>From: Gary Higbee, Solutions from the Land <ghigbee at efn.org>
>To: <RE-wrenches at topica.com>
>Sent: Monday, August 28, 2000 2:18 PM
>Subject: Kohler full-output at 120 volts? [RE-wrenches]
>
>
>> Hi Wrenches,
>>
>> Allan at Positive E wrote "All Kohlers thru 12 or 20kW or so can be wired
>> 120 VAC output, so you don't have to match a pair of inverter/charger
>loads
>> on each leg of 240 VAC output..."
>>
>> How this is done?
>>
>> I do mostly stand-alone systems, and haven't messed with generators much.
>> I'm working with a client now, though, who's going to be using his Kohler
>> propane generator (around 7kW) with a SW5548, 16 L-16's, running a
>Grundfos
>> Model 10 SQ sub pump (9-10gpm measured at 425', "efficient," soft-start)
>and
>> general household loads. He'll be generator-charging until we add a
couple
>> KW of solar in the future (when the $ tree grows up!).
>>
>> If there's a way to get (balanced) full-output from the Kohler without a
>> T/240 I'd love to know how ASAP. Thank You!
>>
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>      Gary Higbee  (ghigbee at efn.org)
>>              (541)607-1818
>>     Solutions from the Land--solar,
>>   wind, and hydro site analysis, design,
>>        and installation assistance
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>>
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>
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>
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 michael.welch at homepower.com
___________________________________________________________
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