[RE-wrenches] Help me understand Gen vs XW

William Miller william at millersolar.com
Fri Sep 9 09:08:51 PDT 2011


Jay:

I disconnected the AGS and the problem persisted.  Adding a load may help 
but I did not test this.  This would require a permanent load and might not 
be desirable.

William



At 07:36 AM 9/9/2011, you wrote:
>Hi William,
>
>is the problem the actual connection or the AGS?
>
>if its the actual connection, have you tried putting a load ( say 1000 
>watt heater) on the generator directly  to stabilize the volt/hz from the 
>genny?
>if for a test if nothing else.
>
>jay
>
>peltz power
>
>On Sep 8, 2011, at 9:40 PM, William Miller wrote:
>
>>Friends:
>>
>>Working yesterday on a newer XW system with a new Kohler RES15 
>>generator.  This is the first time I have tested the inverter with this 
>>generator.  The inverter would not maintain a transfer to the 
>>generator.  After about an hour on the phone with tech support, the tech 
>>searched previous calls and announced that there is a known 
>>incompatibility between the Kohler RES15 and a certain version of the XW 
>>firmware.  I was advised to upgrade the firmware.
>>
>>I wonder how this can be.  Voltage and frequency even in the moment the 
>>inverter did try to connect are well within specifications. After some 
>>thought, all I can guess is that there might be some noise on the AC 
>>signal that the inverter might reject.
>>
>>Has anyone else experienced this?  Any insight to be offered?
>>
>>Thanks in advance.
>>
>>William Miller
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