solar pv

  1. TeachMeObiWan

    Can I preheat the feed to my combi boiler?

    Hi, Only my 2nd post, but you were all so helpful with the first post I thought I'd have another go. I was talking previously about how I have a fairly new combi boiler (Vaillant Ecotec Plus 832) and also some solar PV and had the notion of fitting a HW cylinder as well. Since then, I've seen...
  2. TeachMeObiWan

    Vaillant Combi & Hot Water Tank ... Possible? Yes but how best?

    Hi, I'm hoping from some sage advice, from you lovely people. I have a Valiant Ecotherm 832 Combi boiler that was put in about 4 years ago. I'd just moved in, and the place had an old oil boiler that sounded like a jet engine, and an uninsulated hot water tank that was taking up tons of room...
  3. MeldrewsMate

    Small scale solar battery storage considered - a DIY project

    I've had solar PV on my roof for 6 years now; very pleased with it, but had to repair it last week by replacing one of the 16 micro-inverters, one under each solar panel. I had bought 2 of these as spares and, after having the defective inverter replaced, now have 2 spare again. This got me...
  4. StephenStephen

    Getting my head round using solar PV to heat water - basic question (I hope!)

    I'm getting the home heating system replaced. current setup is: https://www.diynot.com/diy/threads/too-many-boilers-for-the-22mm-pipe.511647/#post-4248767 post 9 It looks like we're going for: -a single gas boiler -unvented 3 zoned central heating -large area roof solar PV with excess...
  5. E

    After an advice about the central heating and hot water

    Hello everyone, (it's my first post but I was reading posts here for a while now) The situation: My wife and I just bough a 3 bedroom semi-detached house. The house has an old back boiler in the living room behind the fire place, cold water tank in the loft and a hot water cylinder in the...
  6. swishy6

    Solar PV fault

    Hi, I had my system installed 3 years ago with Sunpower panels, I wanted decent quality up there on the roof. Fronius inverter is throwing up error state 447 which I read in the PDF manual as: Solar module ground, insulation error (connection between solar module and ground) It's three levels...
  7. SolarPlantsLily

    Self builder interested in solar

    Hi everyone, I work for a company called Solar Plants, a Solar PV installer based in Port Talbot, South Wales. We are looking to get into contact with somebody who is in the process of building their own house, with planning permission and building plans, but that has not yet started the...
  8. T

    convert unvented cylinder to heat bank with combi and PV immersion

    Hi All, I've been studying this and other forums for months off and on and putting all the ideas into a do it all system. I am posting my plans for fitting a heat bank to a combi boiler using a converted 300L unvented cylinder for comments / suggestions and probably ridicule. First a bit of...
Top