Technical

Have a specific technical question? Looking for some specific advice from others in the RE community? Ask it here!

topics

Subject Started by Replies

Drainback tank alternatives for domestic solar hot water


I'm in the process of installing a simple DIY drainback water heating system on my Los Angeles home, starting with fitting ...
 Michael Moore 2

Charger Controller for Sanyo Panels


What would be a good charge controller match for 3 Sanyo 200W HIP panels?  My battery bank would be 24V after reading on he...
 Sam H. 1

altE -- Thanks!


"Most people are like the fallen leaf that drifts and turns in the air, flutter and falls to the ground But few ot...
 Karen E 1

Initial setup?

« 1 2 »
I want to get one of the XW units to run my entire house in upstate New York. It's a 2200 sqft house, two people living in ...
 Walt Howard 6

VERY Basic RV system question

« 1 2 »
I have an off the grid travel trailer.  Currently, the lights, stereo, and water pump are powered (for 2-3 days) by a 12V d...
 John Griffith 5

Parallel Batteries


Based on the feedback from the forum, I'm looking at upping my planned batteries for an off grid cabin from 2 GC2s (Golf Ca...
 Jerry Wenzel 2

Different size panels in 2 charge controllers


HI guys, I have been off grid now for 8 years in the desert of Arizona. I have a 24 volt system with 20, 80 watt panels...
 Jerry Albers 2

Compact Fluorescent Lamps on Inverters


I'm looking at purchasing an inverter for my cabin and plan on using numerous compact Compact Fluorescent lamps.  Do C...
 Jerry Wenzel 2

pulse pm60 controller


i got a pulse pm60 controller, and dont have a manual. can any one help?
 John Ossowski 0

Newbie soldering issue


Hi - I am trying to solder some 3 x 2 1/4 solar cells as described in a recent issue of MAKE - thank you Parker Jardine. After I...
 Ted Stevens 0

power directly off of Panels?

« 1 2 3 »
when using a 12v dc appliance directly off the battery bank, during the day while the sun is out, are you pulling power directly...
 James Johnson 12

Keep garage cool


I'm looking for an inexpensive way to keep my west facing garage cool enough in the summer for suitable food storage. I wou...
 Robert Hunter 1

new hubs and 6 blade setup for air x and 403?


Is there any specific advantages of the 6 blade option over the four blades that originally came with my unit? I have a 403. Tha...
 Roger Lemire 3

Using two separate inverters in parallel to make 240 vac.


Is this possible with two 120v exeltech units?
 Adam McLaren 2

battery temperature & distance questions


I live in the upper midwest at Illinois / Wisconsin border. we have some rough winters on occasion with heavy snowfall. ...
 James Johnson 3

Buying components for flexible design

« 1 2 »
I have a general question about components for a very small PV system, but soon to be a 1KW system.... When I will buil...
 James Jacobson 5

Exeltech 1100w/24v XP VS Xantrex Prosine 1000w/24v


Does anyone have any experience to report with these two inverters?  I am trying to decide which is a better inverter since...
 James Jacobson 3

2 panels of different voltages


I know this topic has been discussed here before, but I've few questions. I have 1 panel installed, it's abou...
 Will Williams 0

Batteries

« 1 2 3 4 »
I have 8 12V batteries parallelled togather with 105 amp hrs each. They are marine deep cycle batteries which I understand are n...
 David Szymas 16

DC-GFP Installation


I'm finally wiring up my breaker box and have a question regarding the GFP.  One end of the .5A breaker goes to ground...
 Stephen Hagerman 3
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