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Search: Posts Made By: Sadashi
Forum: Geothermal & Heat Pumps 11-08-20, 10:22 AM
Replies: 17
Views: 836
Posted By Sadashi
It's more than just high COP in my opinion . You...

It's more than just high COP in my opinion . You can have high COP at A7/W35 but the unit will loose heating capacity dramatically when the cold weather is coming and you need it most . I would...
Forum: Geothermal & Heat Pumps 11-02-20, 03:07 PM
Replies: 3
Views: 210
Posted By Sadashi
Looks very nice , well done to you !

Looks very nice , well done to you !
Forum: Geothermal & Heat Pumps 11-01-20, 02:01 PM
Replies: 3
Views: 210
Posted By Sadashi
Well done for what you have accomplished . Do...

Well done for what you have accomplished . Do you use a diy heat pump or is a factory made one ?
Forum: Geothermal & Heat Pumps 10-31-20, 03:57 PM
Replies: 17
Views: 836
Posted By Sadashi
Sensor position

Hi Murdock and welcome to the discussion . There are two sensors with this C&H ( Gree made ) unit that I'm using , one was attached to the copper heat exchanger ( evaporator ) and the other one is...
Forum: Geothermal & Heat Pumps 10-27-20, 12:47 AM
Replies: 17
Views: 836
Posted By Sadashi
It is possible

I have a dhw tank of 300 litres , and the water temperature can reach at the top of the water tank 140F ( 60C ) , so it is possible to obtain that temperature , but it is limited on the volume of...
Forum: Geothermal & Heat Pumps 10-25-20, 02:23 PM
Replies: 17
Views: 836
Posted By Sadashi
Indoor sensor .

If you have underfloor heating , then you can put the indoor air sensor on the return flow pipe and set your indoor temperature to 30C from the remote control , this way if delta T is 5C between...
Forum: Geothermal & Heat Pumps 10-25-20, 01:03 PM
Replies: 17
Views: 836
Posted By Sadashi
Inverter control

I'm afraid that I will disapoint you with regards to controlling the inverter unit to be able to keep a certain flow temperature . I'm not saying that it's not possible , but for me it wasn't a must...
Forum: Geothermal & Heat Pumps 10-25-20, 04:51 AM
Replies: 17
Views: 836
Posted By Sadashi
What do you want to achieve when you said that...

What do you want to achieve when you said that you want to control the outside unit of the inverter ac ? Do you want to control the indoor temperature , keep a fixed flow temperature , or what ? As...
Forum: Geothermal & Heat Pumps 03-07-20, 04:32 AM
Replies: 9
Views: 1,858
Posted By Sadashi
Hi Jeff , gadget said it better than me and I...

Hi Jeff , gadget said it better than me and I will quote him here : "If you are using an air source heat pump to heat the tank that feeds the water source heat pump, you are getting no advantage. You...
Forum: Geothermal & Heat Pumps 03-07-20, 01:08 AM
Replies: 9
Views: 1,858
Posted By Sadashi
Thank you Ac and gadget for your answers . Want I...

Thank you Ac and gadget for your answers . Want I want it to know it was your opinion about the idea . I must admit that I'm not very good when it comes to thermodynamics and that's why i was asking...
Forum: Geothermal & Heat Pumps 02-27-20, 02:57 AM
Replies: 9
Views: 1,858
Posted By Sadashi
Hi Jeff and thanks for your reply . What I want...

Hi Jeff and thanks for your reply . What I want to achieve is a ground source heat pump that is using the heat for vaporization from a smaller air to water heat pump instead of boreholes or ground...
Forum: Geothermal & Heat Pumps 02-26-20, 02:04 PM
Replies: 9
Views: 1,858
Posted By Sadashi
Heat pump idea ? Or maybe not !

Hi folks , my name is Alex and I'm from Romania . I would like your opinion about a heat pump that I want to build in the near future . We now have a diy air to water heat pump , converted from a...
Showing results 1 to 12 of 12

 
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