[RE-wrenches] Kyocera KC 120-1R = 102 Watt

[Wallace Stahle]

Bill,
It is simpler than that.

I multiplied the labeled peak volts x the peak amps at STC.  That is, using the stated data from label on back of module .

In other words the R in model number might mean refurbished but actually results in reduced output. Though it is stated as +10/-0% in the install document included.

Wallace Stahle
Future Electric Energy Co
P O Box 236
Willits, CA 95490
future at pacific.net
CA Lic.# C10-762093
707-459-0474

 


On Jun 28, 2012, at 5:17 AM, Bill Loesch wrote:

> 
> Wallace,
> 
> Can you describe what your x v test is? Something more sophisticated than a DayStar meter?
> 
> Anyone have any info about KC70 modules not being up to strength?
> 
> TIA,
> Bill Loesch
> Solar 1 - Saint Louis Solar
> 
> On 27-Jun-12 4:00 PM, Wallace Stahle wrote:
>> 
>> 
>> On Jun 26, 2012, at 2:59 PM, SunHarvest wrote:
>> 
>>> The KC120's turned out to be faulty. Kyocera replaced all 12 of the bad KC120's with refurbished KC120's and requested an invoice for my labor to complete the exchange. I tested the new and old modules side by side and both registered the same voltage and amperage. It's only under load when the power failure is apparent. This is why I initially ruled out the modules as being the problem. Thanks for all your help wrenchers!
>>>  
>>> Eric Stikes
>>> Owner
>> 
>> Eric, You might want to look at the module label and confirm output.
>> 
>> Just this Monday I opened an unused,  3 year old  box of two of those replacement Kyocera 120-1Rs  and while doing a x v discovered it was only 102 watts. 
>> 
>> I arranged the replacement of 10 these 3 years ago and don't think I actually looked then,  What more need ye know than KC120 right?  But suspect I had the wool pulled over my eyes by Kyocera. A net loss of replacement watts.
>> 
>> Even though Kyocera will replace them with pleasure, it seems strange  for them to allow a whole class of customers to absorb the cost of faulty modules with prematurely failed batteries and/or excess generator use, so that Kyocera can absorb the cost slowly over years while thousands of customers pay the consequence$ until the swap happens.
>> Why not a recall?   $$$ of course.
>> 
>> Then the pleasantly supplied replacements come in 15% smaller. 
>> 
>> Ouch
>> 
>> Anyone else out there with 120-1R Kyocera modules that label  6.08 I-pk and 16.8V-pk. Kyocera needs to "amp up" the replacements in my view.
>> -
>> Wallace Stahle
>> Future Electric Energy Co
>> P O Box 236
>> Willits, CA 95490
>> future at pacific.net
>> CA Lic.# C10-762093
>> 707-459-0474
>> 
>> 
>> 
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