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Old 01-16-19, 12:21 PM   #1
pavel
Lurking Renovator
 
Join Date: Jan 2019
Location: Czech Rep.
Posts: 14
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Thanked 4 Times in 3 Posts
Default NANOOK - open source DIY 19kW GWHP

Hi community, I just want to share my successful built of 19kW ground-water heat pump. It’s completely open source, incl. calculations, chassis drawing, schematics and control software.
Anybody who wants to clone the construction is highly welcomed!

Here are some highlights:
- 19kW heating power
- 65°C / 149°F max. output temperature
- r134a refrigerant
- 950 meters ground loop
- easy to build
- 8 temperature sensors
- 4 pressure sensors
- 2 flow sensors
- EEV (with supercapacitor backed up closure on power failure)
- Panasonic/Sanyo scroll compressor
- soft starter
- 2 circulation pumps
- onboard control system running Linux
- configuration via web browser

Image gallery:
ownCloud

3D model:
https://cad.onshape.com/.../e/8527985f7e35e0cf1587fe34

KiCAD schematics and PCB on my Github:
https://github.com/burgrp?utf8=%E2%9...ype=&language=

Looking forward to see your comments!

pavel is offline   Reply With Quote
The Following 2 Users Say Thank You to pavel For This Useful Post:
jeff5may (02-17-19), Murdock (02-19-19)
 


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diy, gwhp, heat pump, heat pumps

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