[RE-wrenches] Question re Midnite surge arrestors

[Ryan]

Allan
That is not expected behavior. Which model of SPD are you using?

Ryan



On 8/13/2013 1:08 PM, Allan Sindelar wrote:
> Wrenches,
> Very seldom do inverters in off grid systems ever go to sleep anymore, 
> given the increase in phantom electronic loads and greater customer 
> expectations. Coupled with lower module prices, we usually size larger 
> arrays and inverters remain on continuously. However, we also service 
> and upgrade many existing systems, and some customers still want their 
> inverters to go into search mode. They typically either have gotten 
> used to a more energy frugal lifestyle over many years, or (to their 
> credit) choose to buck the system and live with a lighter energy and 
> resource footprint.
>
> Twice in recent months we have added Midnite MNSPD MV surge arrestors 
> to the AC output of smaller systems and discovered that the inverters 
> will no longer go into search mode. It doesn't appear to make any 
> difference where the search watts threshhold is set. One system used a 
> 24V Outback FX2524T (with current boards following a nearby lightning 
> strike) and the other used a Magnum MS2812. In the former case, we 
> defeated the search (against the customer's preference, as she liked 
> the total silence once her day was done). In the latter, the customer 
> rejected and we removed the surge arrestor once it became clear that 
> the inverter wouldn't sleep.
>
> Has anyone else experienced this? Is there a fix for it? Robin, can 
> you chime in here (off list if necessary; I'll carefully post your 
> response)?
>
> Thank you,
> Allan
> -- 
>
> *Allan Sindelar*
> _Allan at positiveenergysolar.com_ <mailto:Allan at positiveenergysolar.com>
> NABCEP Certified PV Installation Professional
> NABCEP Certified Technical Sales Professional
> New Mexico EE98J Journeyman Electrician
> Founder and Chief Technology Officer
> *Positive Energy, Inc.*, a Certified B Corporation^TM
> 3209 Richards Lane
> Santa Fe, New Mexico 87507
> *505 424-1112 office 780-2738 cell*
> _www.positiveenergysolar.com_ <http://www.positiveenergysolar.com/>
>
>
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