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Search: Posts Made By: HugoW
Forum: Geothermal & Heat Pumps 01-30-19, 07:03 AM
Replies: 7
Views: 3,626
Posted By HugoW
Hi, yeah, ah, well… Sometimes life does not go as...

Hi, yeah, ah, well… Sometimes life does not go as planned. But things have settled again and this project is close to the drawing board. Not yet on it, as I am planning to make my own Aquion battery...
Forum: Geothermal & Heat Pumps 04-06-18, 07:57 PM
Replies: 5
Views: 4,111
Posted By HugoW
Comes natural to us Dutch folks �� I am currently...

Comes natural to us Dutch folks �� I am currently working on a prototype pump with two plate exchangers, one with coolant on the cold side running through a radiator type 'heater' block, the other...
Forum: Geothermal & Heat Pumps 04-05-18, 06:58 AM
Replies: 5
Views: 4,111
Posted By HugoW
I don't think so. The medium should still be in...

I don't think so. The medium should still be in gas state after the evaporator. With the mechanical valve, the sensing bulb is the same temperature as the medium line at that point, its mechanically...
Forum: Geothermal & Heat Pumps 03-09-18, 03:10 PM
Replies: 5
Views: 4,111
Posted By HugoW
Propane expansion valve temperatures?

Hi,

as I am planning to make my own heat pump and I like to be in control of what I do, I am looking into the way the Expansion valve is controlled. I think I have figured out how to make an...
Forum: Geothermal & Heat Pumps 03-04-18, 01:29 PM
Replies: 7
Views: 3,626
Posted By HugoW
Input from the AC-Hacker himself, I feel...

Input from the AC-Hacker himself, I feel honoured. Thanks! Propane (R290) is second on my list, the fact that can burn makes it sound scary. It probably isn't, the system should have no leaks anyway,...
Forum: Geothermal & Heat Pumps 03-04-18, 07:13 AM
Replies: 7
Views: 3,626
Posted By HugoW
Thanks! I bought it for 25,-. I will source...

Thanks! I bought it for 25,-. I will source such an inverter probably from Aliexpress, I cannot find any second hand ones. Next on my list of stuff I need to figure out is the required expansion...
Forum: Geothermal & Heat Pumps 03-01-18, 08:15 AM
Replies: 7
Views: 3,626
Posted By HugoW
I've been trying to read the type plate: - DWM...

I've been trying to read the type plate:
- DWM Copeland
- Max allowed pressure in use; HD/ND 25/20.5 Bar
- Block. Rotorstr. 31-6-34,4 (no clue as to what this means)
- Max 5.8A at 3x 240V in...
Forum: Introductions 03-01-18, 05:38 AM
Replies: 0
Views: 1,499
Posted By HugoW
HugoW on a new project

Hi all,

As I am moving to a new house (new being relative, it's new for my family) and it needs some work, I am looking into nice energy saving options. Over here in the Netherlands the solar...
Forum: Geothermal & Heat Pumps 03-01-18, 05:29 AM
Replies: 7
Views: 3,626
Posted By HugoW
HugoW's very slow DIY air-to-water- heat pump build

Hello everybody,

I’ve been lurking here for a while, now I have registered because I have a question. I am planning to make a heat pump, getting energy from the outside air and heating the...
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