[RE-wrenches] Lithium Batteries

I have a request for Lithium batteries (ion?). Not sure how to respond. The application is an off grid, part time mountain home Any thoughts? Thank you Jeremy Ridriguez All Solar Colorado Sent via BlackBerry. Sorry for typos and shorthand! ___ List spon

Re: [RE-wrenches] Fwd: NABCEP Recertification Survey

John, I'm missing something in your logic... If you have worked hard to convince your clients that your installations are leak-free, and as you say it's often their number one concern, the question on the survey seems quite relevant, as it suggests that indeed, th

Re: [RE-wrenches] Fwd: NABCEP Recertification Survey

Ditto john's remarks; good intro letter BUT, "I would like to see #2 replaced with something more upbeat. 'Were you happy with the installation process and do you feel that the overall experience reflected the efforts of a true professional in this field?' " *TO BE COMPLETED BY SYSTEM OWNER:

[RE-wrenches] Fwd: NABCEP Recertification Survey

I can understand the requirement/value for customer feedback, and the introductory letter is very well done - the tone is nicely positive. But then we go from being the 'gold standard' professionals to 'dabblers in installation' tone - leaks and damage? Why not include fires? We typically have work

[RE-wrenches] POC using lug kit

Friends: I have a 690-64(B) dilemma. I have a 200 Meter/Main/Combo that is chick full and I need to add 20 amps times 2 of Enphase feed to it. The best method for this job is to install a sub-panel in the garage and feed the PV into that. The sub-panel will inherit an existing 50 amp breake

[RE-wrenches] ARRA 135W

Are there any manufacturers out there making ARRA compliant modules in the 135W range? I'm thinking Kyocera since they have a manufacturer's certification statement. Any others? Jason Szumlanski Fafco Solar ___ List sponsored by Home Power magazine Lis

Re: [RE-wrenches] Enphase failures

One of the big issues I used to have installing Enphase was with establishing and maintaining (after power outages and various customer Internet issues) the data connection for all inverters. Are they still using data-over-powerline communications? Are these types of connection issues still out

Re: [RE-wrenches] NABCEP Recertification Survey

Allan We have also seen some rather cleverly worded references to NABCEP Techs (somewhere in the company) meaning there is a slim chance that you could get the NABCEP guy but probably not, when a consumer calls. They try to give the impression that all the techs are NABCEP. And who knows maybe

Re: [RE-wrenches] Voltage settings for AGM's in grid tie with back up

I am looking for a recommendation for Max Voltage, and how often to attain this bulk voltage? For the following system: . Trojan 8D AGM battery bank (4 bats for 11kWh rated storage with 900 Watts of PV) . Home was previously off gird. We upgraded it to a grid tied net metered sys

Re: [RE-wrenches] Needed: Outback setpoints that won't ruin AGM's

Greetings, Mechanix~ My post regarding the proper setpoints for an unattended AGM battery prompted a lively--and enlightening--discussion on the Wrench List. Thanks as always for being the best in the biz. The Wrench List is the bomb! To tie up some loose parts of this thread: ++

Re: [RE-wrenches] efficiency

Hi Jay, Your government at work. See http://www.energysavers.gov/your_home/water_heating/index.cfm/mytopic=13000 for an explanation of energy factor (their efficiency rating) which combines recovery efficiency, standby losses, and cycling losses. You might want to consider how many moving p