Re: [RE-wrenches] SnapNrack

2015-06-26 Thread August Goers
Chris, You are correct – there is just a bonding Unirac mid clamp. The new SM end clamp is basically the same as the old clamp but now comes preassembled with little rubberbands to keep it upright when placed on the rail. Best, August *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.r

Re: [RE-wrenches] SnapNrack

2015-06-26 Thread Christopher Warfel
Someone in this thread mentioned a Unirac integrated bonding end clamp. Our supplier has that on the packing slip, but it was still the same end clamp we always receive. I have checked their website and do not see an integrated bonding end clamp; just mid clamp. Does Unirac make an integrate

Re: [RE-wrenches] SnapNrack

2015-06-26 Thread Solar Energy Solutions
We had a situation where an extra square head was left in place under a panel.  It must have been thought to be more trouble than it was worth to remove.  10 year later...Crack goes the Sanyo!  Installer error, we had to do the right thing... it hurt!  Andrew KoyaanisqatsiPresidentSolar Energy S

Re: [RE-wrenches] SnapNrack

2015-06-26 Thread August Goers
Chris, We’ve been using the new Unirac SM clamps with integrated grounding and our crews like them so far. No shattered modules. I’m happy that you brought this up as a potential issue and it seems like a good reminder for our crews to carefully torque our clamps. Best, August August

Re: [RE-wrenches] SnapNrack

2015-06-26 Thread Jason Szumlanski
So far, so good. No issues like that. However, on one job we had a problem with the bolt heads not "catching" in the rail channel and modules popping up. I chalked that up to an installation error by an installer that was easily resolved. Despite the convenience, I'm not a huge fan of t-bolts for t

[RE-wrenches] central vrs string inverters

2015-06-26 Thread Allen Frishman
Hi Wrenchers, I am considering using 8 SMA Tri-power Inverters for a project with a 3 phase 208V Grid which means I have to add a step down transformer (480V to 208V). I am comparing this option to a central inverter.I have done many of the central inverter systems at the 208V but have ye