Kristopher,
I have experienced this as well, but have no solution to advise. My last direct experience with this was about four years ago, when we installed a system using a Magnum 4448 inverter in a home system in which a high-efficiency electronically-controlled hydronic boiler was also installed at the same time. The particular boiler proved unable to start up reliably on the inverter, but would run reliably off of a generator. Initially we assumed that the problem was due to incorrect wiring by the heating contractor (the AC input line and neutral had been reversed). After this was corrected the problem persisted. Before we could dig deeper the contractor changed out the boiler to an equivalent model of a different brand. The problem went away.

You may end up having to either change the inverter or change the boiler. Magnum's tech support showed some interest in pursuing this, even attempting to duplicate the problem, but we never got that far. You might wish to contact them about this - it's a legitimate problem.

On a related note - has anyone had any issues with powerline-carrier lighting controls run off of a Radian? We haven't installed equipment yet, so have no way to test until then. We're supplying uninterruptible power to an upscale residential observatory that will have this type of lighting control. We have cautioned the GC that there's a possibility of incompatibility, and no database of collected data out there, and we don't assume liability for incompatibilities. But it sure would be nice to know if anyone else has seen issues. I don't yet have a lighting brand.

Thank you,
Allan

Allan Sindelar
[email protected]
NABCEP Certified Photovoltaic Installer
NABCEP Certified Technical Sales Professional
New Mexico EE98J Journeyman Electrician
Positive Energy, Inc.
3201 Calle Marie
Santa Fe, New Mexico 87507
505 424-1112
www.positiveenergysolar.com




On 3/26/2012 12:51 PM, Kristopher Schmid wrote:

Esteemed wrenches,

I am assisting in troubleshooting a stand alone system with three stacked Magnum 4448 PAE inverters.  The electric ignition of LP for the wood boiler will not fire from inverter power.  As soon as we fire up the generator, the boiler ignites.  Has anyone seen this before?  Is there a solution?  The boiler is a Central Boiler E-Classic 2400.

Thanks in advance!

----------
Shine On!

Kris Schmid
Legacy Solar, LLC
864 Clam Falls Trail
Frederic, WI 54837
715-653-4295
www.legacysolar.com
NABCEP Certified PV Installer
BSEE

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