William, The flat screen and the satellite receiver are both phantom loads when off, so either make sure that they are on a plug strip and switched off when not in use, or you will have to increase the battery charging source (PV?). The satellite unit may lose its programming when switched off which is a major hassle, so your client may not want to put it on a switch.
I'm sure that the idle draw of the new inverter is quite a bit more than the old mod-square too. I'd love to know what type of batteries they are, and what the charging sources are. If they don't have an amp-hour meter in the system, you should talk them into letting you install one. Of course, if they get 28+ years out of a set of flooded batteries, they must be doing it right, and maybe don't really need it. Brian Teitelbaum AEE Solar From: [email protected] [mailto:[email protected]] On Behalf Of William Miller Sent: Monday, December 09, 2013 7:56 PM To: RE-wrenches Subject: [RE-wrenches] Heart Interface Idle Draw Friends: I have a client with 28 year old batteries. They are in great shape with excellent specific gravity. I have no idea why they have lasted so long. We recently pulled an old Heart HF series inverter and installed an Outback VFX3524 inverter. Coincidentally the client purchased a new flat screen TV and satellite receiver. The client reports generally lower battery voltages since the install. I am trying to figure out if it is the inverter or the TV. Does anyone know the idle draw of the HF series inverter? This information would help me troubleshoot this problem. Thanks in advance. William [cid:[email protected]] 17395 Oak Rd. Atascadero, CA 93422 www.millersolar.com<http://www.millersolar.com/> 805-438-5600 voice
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