Technical

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

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Subject Started by Replies

new solar system


OK, where do I start. Bought a small, week long (at most) cabin/RV to use for a few weeks a year. It came with: 42...
Tim F 4

panel wiring review please


I'm on my way with a small system now. I just got my 1st Kyocera KC40T panel and other items and am going to order a 2nd pa...
James Johnson 4

Xantrex C-35 contoller

« 1 2 »
I have not purchased this yet but does this unit when switched to diversion mode still charge in PWM mode? I have downloaded som...
Max Schulte 5

Charge controller voltages


My PV bank is 16 Kyocera KC158 G with a Vmp rating at 23.2 volts. That is hooked to a Xantrex SW 4024 the system is grid tied an...
Dennis M 0

Learning and rethinking my cabin power system

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I’ve been learning a lot on the forums.  I’ve been asking questions regarding a cabin with a 2000W inverter system and ...
Jerry Wenzel 15

Retro-fitting an oil-fired hot water, iron radiator system-Is this possible?


I'm thinking of introducing biodiesel oil to the blend gradually, to clean out the system, and get off oil, and I'm wo...
Henry Bullock 1

Xantrex MPPT60 Panel wiring configuration.


Hi, I have 14 Kyocera KC175GT panels and I plan to hook it up to a Xantrex MPPT 60A charge controller. I havent bought...
Joe Pham 3

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?

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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

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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?

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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
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