Re: [RE-wrenches] Wire management dual axis tracker

2015-11-30 Thread Jerry Shafer
Wrenches For some of our off grid customers we have installed the combiner on the array right behind the gimble and then only run the home run wire down, fewer wires is better. We try to keep the run in a loop 720` real close to the gimble, the loop reduces wire stress and we have had no failures.

Re: [RE-wrenches] Wire management dual axis tracker

2015-11-30 Thread Ray Walters
We used to just bundle the PV cables and secure them close to the pivot point at both the rack and the pole with insulated wire loom clamps. We always made a big enough loop to handle full articulation, but not too long so they wouldn't catch on the Combiner box, etc. We also started using b

[RE-wrenches] Wire management dual axis tracker

2015-11-30 Thread Mac Lewis
Hi Wrenches, I'm looking for advice on the best way(s) to secure PV source circuit wiring on a dual axis tracker. I've never wired one up before and it seems tricky. This particular tracker is 12 modules, 3 strings. Is it best to run a flexible conduit up the pole and leave plenty of excess con

[RE-wrenches] Apollo Charge Controller

2015-11-30 Thread Howie Michaelson
Wrenches, Does anyone know whether a flashing state of "Bulk MPPT" on an Apollo T80 Charge controller means something other than the first stage of the absorb cycle? This is on a DC coupled Net Metered system installed by another company which is long since out of business. I've looked all throu