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Forum: Geothermal & Heat Pumps

04-10-15, 04:24 PM

Replies: 51

Heat Pump Water Heater - Coil in Tube

Views: 49,112

Posted By vwhead77

It's Working!!

Took the time to put it all together today. I am VERY pleased. I am getting 20 to 21 degrees increase over the new design. I charged the unit using amp draw mostly as my guide as my first attempt...

Forum: Introductions

10-18-14, 05:29 PM

Replies: 2

Hello all from Alaska (well, Texas for now).

Views: 3,991

Posted By vwhead77

Well you're doing very well on the Kw usage -...

Well you're doing very well on the Kw usage - just think...when you move to AK again you probably won't need the A/C - chop off another 250kw lol. I was 'stationed' in AK in '78 to '80 and if it...

Forum: Geothermal & Heat Pumps

10-18-14, 04:52 PM

Replies: 51

Heat Pump Water Heater - Coil in Tube

Views: 49,112

Posted By vwhead77

Different Design - same goal

4723

4724

4725

Ok - second experiment - external coil / discharge from HP - (it's actually a lot more wraps than the internal coil) I managed to wrap 30' of 1/4" copper around a 2" copper...

Forum: Geothermal & Heat Pumps

10-05-14, 10:13 AM

Replies: 51

Heat Pump Water Heater - Coil in Tube

Views: 49,112

Posted By vwhead77

Heat Pump Water Heater - Coil in Tube

So here's what I have so far. A copeland scroll compressor 115V (hopefully find 208v eventually). Made a coil of 20' of 3/8" soft copper by winding around a 2" PVC pipe. Inserted into a 4" PVC tube -...

Forum: Introductions

01-08-13, 08:31 AM

Replies: 3

From Upstate NY

Views: 4,095

Posted By vwhead77

Will do -

I have been wanting to document a step-by-step for a while - now I have a good reason to

Showing results 1 to 5 of 5

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