<div dir="ltr"><div class="gmail_default" style="font-family:times new roman,serif;font-size:large">How about a Morningstar relay driver? I have not done this exact thing before.but similar things. </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jul 20, 2023 at 4:05 PM jay via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;">HI All,<div><br></div><div>I wanted to revisit this thread for one reason.</div><div><br></div><div>If you turn off the inverter at the remote on/off with the AUX relay, then starting the generator won’t have any impact as the inverter is off. </div><div>So someone will have to go and reset the AUX relay.</div><div><br></div><div>Vs</div><div><br></div><div>If you do a relay on the AC output, when you start the generator, it will start charging, raising the battery volts, causing the AUX relay to close AC output relay and you’ll have power in the house.</div><div><br></div><div>Am I missing something?</div><div><br></div><div>thanks</div><div><br></div><div>jay</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div>Here is the last email I think:</div><div><br></div><div><pre style="font-family:courier,"courier new",monospace;font-size:14px;white-space:pre-wrap;margin:0em">Mac,
</pre><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:14px">I think you've got an elegant solution to the problem. All you need is </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:14px">an inexpensive relay and to program the Aux output for loadshed. I </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:14px">believe shutting down the inverter with the remote on/off contacts is </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:14px">actually less stressful on the inverter than opening a relay or </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:14px">contactor on the load side.</tt><pre style="font-family:courier,"courier new",monospace;font-size:14px;white-space:pre-wrap;margin:0em"></pre><pre style="font-family:courier,"courier new",monospace;font-size:14px;white-space:pre-wrap;margin-top:0px;margin-bottom:0px">Kent Osterberg
Blue Mountain Solar
On 7/11/2023 5:19 PM, Mac Lewis via RE-wrenches wrote:
</pre><blockquote style="margin:0em;padding:0px 0px 0px 0.85em;color:rgb(160,30,30);border-left:0.2em solid rgb(85,85,238);font-family:helvetica,arial,sans-serif;font-size:14px"><pre style="font-family:courier,"courier new",monospace;font-size:1em;white-space:pre-wrap;margin:0em">Hello Wrenches,
</pre><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">I'm trying to solve an issue with an older Outback FX system. It's a </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">quad stack of Outback 3648 FX inverters and he has a couple of </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">Fortress eVault and an unreliable generator. The LBCO setting can't go </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">high enough to cut out before the eVaults cut out so he </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">occasionally will have to direct charge the eVault to get things </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">running again.</tt><pre style="font-family:courier,"courier new",monospace;font-size:1em;white-space:pre-wrap;margin:0em"></pre><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">I'd like to use a 12V Aux relay logic to trip the primary inverter </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">on/off contacts before we go into battery shutdown so the solar has a </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">chance to recover the system. Pretty simple overall but I wanted to </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">see if there are any known ill effects of doing this with substantial </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">load on the system. Of course, I can use a power relay but this may </tt><tt style="margin:0px;font-family:courier,"courier new",monospace;font-size:1em">be better.</tt><pre style="font-family:courier,"courier new",monospace;font-size:1em;white-space:pre-wrap;margin:0em">Thanks for your input!
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