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Search: Posts Made By: nzmikec
Forum: Geothermal & Heat Pumps 09-01-21, 12:00 AM
Replies: 0
Views: 2,942
Posted By nzmikec
HydroHero water heater - 4 way valve

Hi All,
Ive just had my hydrohero 260l heat pump hot water cylinder apart to replace a centrifugal fan. While in there I noted there is a 4 way valve installed on the refrigerant lines - presumably...
Forum: Solar Heating 08-06-18, 02:38 PM
Replies: 8
Views: 7,425
Posted By nzmikec
Too True thanks Jeff. Ultimately I want to heat...

Too True thanks Jeff. Ultimately I want to heat my home with excess solar and using a heat pump would seem to be the most efficient way of doing this. My plan at this stage is to tinker with water...
Forum: Solar Heating 08-05-18, 04:26 AM
Replies: 8
Views: 7,425
Posted By nzmikec
See my post over in the heat pump geothermal...

See my post over in the heat pump geothermal thread. Problem with using a heat pump is speed control to ensure all of your excess generated power is being used without importing from the grid. Not an...
Forum: Solar Heating 08-03-18, 09:16 PM
Replies: 8
Views: 7,425
Posted By nzmikec
Hi, I have one of these installed in my...

Hi,

I have one of these installed in my home https://www.earthwiseproducts.co.uk/product/solic-2000/ Works really well diverting all of our excess solar power (within 20w) to the immersion...
Forum: Geothermal & Heat Pumps 08-01-18, 01:49 AM
Replies: 16
Views: 17,535
Posted By nzmikec
Thanks Jeff, I would love to find an...

Thanks Jeff,

I would love to find an existing outdoor unit to modify however im still unsure on how I can control the compressor speed and therefore the power consumption. Are the units that...
Forum: Geothermal & Heat Pumps 07-30-18, 02:04 AM
Replies: 16
Views: 17,535
Posted By nzmikec
Thanks for the reply guys. Currently we are...

Thanks for the reply guys.

Currently we are planning the build but the solar system will be very similar to what we currently have being a 3kw grid tied SMA system. I am using EmonCMS and...
Forum: Geothermal & Heat Pumps 07-29-18, 05:22 PM
Replies: 16
Views: 17,535
Posted By nzmikec
Hi Andy, I dont want to run an AC on cooling...

Hi Andy,
I dont want to run an AC on cooling while heating the floor. Just want to use a heatpump powered by excess solar. Basically I want to control the compressor to match the excess solar power...
Forum: Geothermal & Heat Pumps 07-25-18, 11:50 PM
Replies: 16
Views: 17,535
Posted By nzmikec
Excess solar power to run compressor

Hi All,

Anyone know of a method of controlling an AC compressor to utilise excess solar power? I essentially want to control the compressor using a VFD or other form of speed controller but im not...
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