Friends:
I am shopping for a battery inverter to add to legacy GT systems in AC coupled mode. I know this has been discussed generally here before but I did not see these criteria in particular addressed. Here are the requirements: 1. A 120/240 VAC output. 2. Built-in, programmable Aux relay. (I feel that frequency shift charging control should be backed up with a GT inverter disconnect relay. Therefore a built in, programmable Aux port simplifies the project.) 3. Good local interface and remote management via internet. 4. Economical (sub $2K). Here is how the inverters I am familiar with stack up: A. Outback FXR. Meets criteria 2, 3, 4. (Add an X-240 and meet criteria 1.) B. Magnum MS-PAE. Meets criteria 1, and 4 (I don’t like the local control module, I am not familiar with any remote capable monitoring systems). C. Conext 865-2524. Meets criteria 1, 4 (May meet 3 with com box--heard mixed reviews here. May meet 2 with creative use of AGS, anyone try this?) D. SMA Sunny Island. Meets none of the criteria. (May have a programmable relay, but all of the other negatives make it not worth my while to even look this up.) So far the FXR with an X-240 seems the best option. Second place is Conext, if I can tweak the outboard AGS to act as HBCO signal. Any other contenders that anyone can suggest? Thanks in advance. William Miller Miller Solar 17395 Oak Road, Atascadero, CA 93422 805-438-5600 www.millersolar.com CA Lic. 773985
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