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Author Topic: Extreme DIY air-con with a high resulting COP  (Read 1236 times)
RIT
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« on: July 04, 2019, 04:52:07 PM »

If you have a spare half hour this is a fun video to watch

     https ://www.youtube.com/watch?v=R_g4nT4a28U
« Last Edit: July 04, 2019, 06:00:43 PM by RIT » Logged

2.4kW PV system, output can be seen at  - https://pvoutput.org/list.jsp?userid=49083

Why bother? - well, there is no planet B
Nickel2
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« Reply #1 on: July 04, 2019, 05:33:19 PM »

Could you please re-post with a gap in the middle of the address please!
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1.140kW mono south-facing at 49*
EpEver 4210A at 24v
24V 400 Ah battery. (4x200Ah FLA)
EpEver STI1000-24-230 pure sine inverter
Of course it'll work. (It hasn't caught fire yet).
Philip R
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« Reply #2 on: July 04, 2019, 05:42:12 PM »

RIT,
no link to the vid. All I see is a blank panel with your name on it.
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RIT
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« Reply #3 on: July 04, 2019, 06:01:28 PM »

oops forgot about that issue.
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2.4kW PV system, output can be seen at  - https://pvoutput.org/list.jsp?userid=49083

Why bother? - well, there is no planet B
Greenbeast
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« Reply #4 on: July 07, 2019, 08:34:51 AM »

loved this!

He's got some good projects. Really liked the fridge and freezer builds
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Greenbeast
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« Reply #5 on: July 11, 2019, 06:44:32 PM »

Can't believe there's not more comments on this?
I've emailed him for a write up and more details
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TT
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« Reply #6 on: July 11, 2019, 08:23:21 PM »

Link doesn't work
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RIT
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« Reply #7 on: July 11, 2019, 08:33:22 PM »

Link doesn't work

There is a space in the link. This forum software seems to have a part working module to embed youtube videos - so if the link is fully working it gets removed, but the embedding process does not correctly add the video to the forum post.

So the 'fix' is for posters to break the link - my solution being the adding of a space within the url.
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2.4kW PV system, output can be seen at  - https://pvoutput.org/list.jsp?userid=49083

Why bother? - well, there is no planet B
Philip R
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« Reply #8 on: July 11, 2019, 08:34:48 PM »

An excellent youtube video. Informative and well explained.

He touched upon the water gain of Calcium chloride dessicators. Sold in the UK as a poor mans dehumidifier. These play havoc when they overflow and dripping through a floor to the ceiling below and not drying out.

Not sure if the Gentleman was from the US or Canada. Working in SI units was a great help.

So which German company is developing / marketing the aforementioned air conditioner? Bosch Buderus, Viessmann, or Vaillant?

Philip R
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Greenbeast
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« Reply #9 on: July 12, 2019, 07:47:42 AM »

An excellent youtube video. Informative and well explained.

He touched upon the water gain of Calcium chloride dessicators. Sold in the UK as a poor mans dehumidifier. These play havoc when they overflow and dripping through a floor to the ceiling below and not drying out.

Not sure if the Gentleman was from the US or Canada. Working in SI units was a great help.

So which German company is developing / marketing the aforementioned air conditioner? Bosch Buderus, Viessmann, or Vaillant?

Philip R

He's got some great content. Lots of people have commented for more details, I've used the contact form on his  website
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Greenbeast
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« Reply #10 on: July 13, 2019, 08:28:30 PM »

They're working on a scaled up and improved system to cool their workshop. I'm looking forward to that!
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Philip R
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« Reply #11 on: July 14, 2019, 12:58:48 AM »

I will watch the related youtube vids next week sometime. The Gentleman is very knowledgable and his demonstration apparatus is top rate.
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knighty
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« Reply #12 on: July 15, 2019, 01:16:23 AM »

evaporative coolers have been around for forever

if you google bong coolers, using a big bit of pipe with a sprinkler head in the top and a fan blowing air up through it has been around for at least 20 years in pc water cooling

doesen't seam to be anything new?
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Barrie
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« Reply #13 on: July 15, 2019, 09:26:11 AM »

Yep, had one of these in Baghdad in 1982.

Initially I thought it was the water screen that was cooling the air but once I'd checked the kit out realised that the water screen was just to trap the dust which was a real issue. The filter for the water and the settlement tank had to be cleaned regularly to avoid the incoming air smelling like a wet dog.
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Milton Keynes
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« Reply #14 on: July 15, 2019, 10:11:40 AM »

evaporative coolers have been around for forever

if you google bong coolers, using a big bit of pipe with a sprinkler head in the top and a fan blowing air up through it has been around for at least 20 years in pc water cooling

doesen't seam to be anything new?

The desiccant bit is the new thing. The final column is just a 'swamp cooler', which may be the same as your 'bong cooler'
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