Re: [RE-wrenches] low cost DAS systems - Feedback

Wrenches, Chris' email motivated me to buy a low-cost, easy-to-install monitoring system for residential and small commercial PV systems. I sent RFQs to vendors asking for a monitoring system for my PV systems, a SunnyBoy 240VAC PV system, and an oldie-but-goodie Trace 120VAC PV system. See ht

Re: [RE-wrenches] Mystery: C-40 controllers "stuck" in EQ mode

HI Mick, The C-40 tries to hold an equalizing voltage for 4 hours to "complete" the action. With a system such as you described:  big, old bank of questionable functionality, the c40 could live forever in equalize mode. -Wes Kennedy 303-653-3073 NABCEPian --- On Fri, 5/28/10, Mick Abraham

[RE-wrenches] Mystery: C-40 controllers "stuck" in EQ mode

Hi, Detectives~ At a client's off-grid home I observed two side-by-side Trace C-40 PV controllers, circa 1998, which were "stuck" in equalize mode. Day after day they did the red/green blink and they would not throttle back the incoming solar energy. This was with the jumper set for automatic EQ (