The XW6048 is rated at 52 amps RMS line to line between 5 seconds down to 1 millisecond, so if your client's AC has a starting inrush surge of 104 amps at 240v, then yep, I think your biggest problem is not enough inverter. Sounds like just one additional inverter will be marginal; depending upon the additional background loads you may want to consider expanding to three total. I think Mick Abraham is right on here, in his earlier post.
Phil Undercuffler Director, Battery-based and Off-grid Conergy Sales & Systems, Americas Our World Is Full of Energy 1730 Camino Carlos Rey Suite 103 Santa Fe, NM 87507 [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> Direct | 505.216.3841 Toll Free | 888.396.6611 x4841 Fax | 505.473.3830 www.conergy.us <http://www.conergy.us/> ________________________________ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Max Balchowsky Sent: Tuesday, August 19, 2008 6:45 AM To: [EMAIL PROTECTED]; RE-wrenches Subject: Re: [RE-wrenches] offgrid system question You're right Mick, It is an XW 6048, there's only one and I really think I'm going to find that the biggest problem is that there is not enough inverter capacity capacity with just one unit (the scematic shows a 60 amp breaker on the output). The system is new ( installed within the last 4 months and the batteries were new) The AC unit is 240 volt..... Max Balchowsky SEE Systems
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