Forum: Geothermal & Heat Pumps
09-24-17, 04:28 PM
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Replies: 96
Views: 75,852
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Forum: Renovations & New Construction
03-09-17, 05:03 PM
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Replies: 5
Views: 10,354
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Forum: Geothermal & Heat Pumps
01-17-15, 05:49 AM
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Replies: 11
Views: 13,674
Peltier elements can work well in the right...
Peltier elements can work well in the right application.
I used some for cooling an overclocked pc processor several years ago, had a separate pc power supply just to feed the peltier which cooled...
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Forum: Appliances & Gadgets
11-18-14, 05:44 PM
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Replies: 35
Views: 70,412
I was once asked to look at a device that had...
I was once asked to look at a device that had been retrofitted to an oil boiler heating a swimming pool.
The device had been sold as a fuel saver for what seemed like a lot of money at the time, I...
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Forum: Geothermal & Heat Pumps
10-20-14, 05:24 PM
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Replies: 15
Views: 16,214
COP 5 sounds unachievable?
What type of heat...
COP 5 sounds unachievable?
What type of heat pump are you using?
I was told of a system like this by a Worcester Bosch sales rep last year, not sure if it's something they are experimenting with...
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Forum: Geothermal & Heat Pumps
10-18-14, 04:34 PM
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Replies: 17
Views: 16,455
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Forum: Appliances & Gadgets
10-08-14, 02:46 PM
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Replies: 18
Views: 16,133
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Forum: Geothermal & Heat Pumps
09-27-14, 04:49 PM
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Replies: 8
Views: 8,538
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Forum: Geothermal & Heat Pumps
09-27-14, 03:32 PM
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Replies: 8
Views: 8,538
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Forum: Geothermal & Heat Pumps
09-26-14, 06:34 AM
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Replies: 8
Views: 8,538
Not totally convinced about the idea of compact...
Not totally convinced about the idea of compact ground loops close to the building, this goes against everything i was told on the Worcester Bosch GSHP installers course.
They are against the idea...
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Forum: Renovations & New Construction
09-14-14, 04:27 PM
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Replies: 46
Views: 31,218
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Forum: Renovations & New Construction
09-10-14, 02:16 PM
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Replies: 588
Views: 661,958
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Forum: Geothermal & Heat Pumps
09-09-14, 03:42 PM
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Replies: 331
Views: 213,039
I wouldn't rule out the cheap flow meters just...
I wouldn't rule out the cheap flow meters just yet, I may of got a bad one.
If valves were installed either side of the flow meter so it could be replaced with minimum loss of water it wouldn't be...
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Forum: Renovations & New Construction
09-08-14, 03:03 PM
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Replies: 46
Views: 31,218
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Forum: Renovations & New Construction
09-08-14, 02:58 AM
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Replies: 80
Views: 59,234
AC
Is there any special reason/regulation...
AC
Is there any special reason/regulation for sticking with the suspended floor?
In our house we had 2 rooms with suspended floor then the hallway and kitchen were solid concrete on soil.
We...
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Forum: Renovations & New Construction
09-04-14, 07:31 AM
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Replies: 27
Views: 19,887
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Forum: Solar Power
09-02-14, 02:56 AM
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Replies: 15
Views: 23,268
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Forum: Geothermal & Heat Pumps
08-18-14, 05:13 PM
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Replies: 331
Views: 213,039
AC/BBP
My thinking behind the delays which...
AC/BBP
My thinking behind the delays which may well be flawed.
Startup inlet pump and wait to make sure temp is above minimum including water from far end of ground loop, also make sure flow...
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Forum: Geothermal & Heat Pumps
08-16-14, 03:06 PM
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Replies: 331
Views: 213,039
AC
A is 22mm copper pipe (metric equivalent...
AC
A is 22mm copper pipe (metric equivalent or 3/4 though not sure how close in size they are), it sits inside B/C with an olive as a seal(compression fitting).
Known as a 3/4 female iron.
BSP -...
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Forum: Geothermal & Heat Pumps
08-15-14, 07:01 PM
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Replies: 331
Views: 213,039
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Forum: Geothermal & Heat Pumps
08-15-14, 03:14 AM
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Replies: 331
Views: 213,039
Code running when no heat demand is due to the...
Code running when no heat demand is due to the main point of this sketch Being a controlled startup and shutdown of the heat pump, shutdown takes 5 mins after demand for heat goes false.
Flows...
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Forum: Geothermal & Heat Pumps
08-14-14, 04:42 PM
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Replies: 331
Views: 213,039
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Forum: Geothermal & Heat Pumps
08-14-14, 08:07 AM
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Replies: 331
Views: 213,039
Try this V0.00001
Made a couple of corrections...
Try this V0.00001
Made a couple of corrections and added input D8 to simulate flow sensors reading 10L/m for testing.
Run code on simulator and seems OKish except the thermistor code, can't get...
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Forum: Geothermal & Heat Pumps
08-14-14, 03:34 AM
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Replies: 331
Views: 213,039
AC
Outputs shouldn't be blinking so I,be got...
AC
Outputs shouldn't be blinking so I,be got an issue somewhere. Also will need the ability to disable flow sensors or we won,t get very far with testing.
Will take a look later, off to work now.
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Forum: Geothermal & Heat Pumps
08-13-14, 06:02 PM
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Replies: 331
Views: 213,039
After a PM conversation with AC yesterday i...
After a PM conversation with AC yesterday i agreed to write some code to hopefully get the GPHP controller started.
Below is a first draft, it compiles fine but i haven't had time to set up any...
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