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Measuring your COP

 
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Air Source Heat Pumps (ASHPs)
Last Post by mjr 3 years ago
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Morgan
 Morgan
(@morgan)
Noble Member Member
Joined: 5 years ago
Posts: 676
11/08/2021 2:22 pm  

@batalto @derek  thanks guys.


Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.

2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.


   
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 Brendon Uys
(@heacol)
Noble Member Contributor
Joined: 4 years ago
Posts: 415
11/08/2021 5:01 pm  

@morgan Yes that is correct, I would suggest that TRV valves are only put on the bedroom radiators, all the rest of the radiators have lockshields only. The temperature controller/sensor must be in a common area. That is how we do it. What unit are you getting installed?



   
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Morgan
 Morgan
(@morgan)
Noble Member Member
Joined: 5 years ago
Posts: 676
11/08/2021 5:38 pm  
Posted by: @heacol

@morgan Yes that is correct, I would suggest that TRV valves are only put on the bedroom radiators, all the rest of the radiators have lockshields only. The temperature controller/sensor must be in a common area. That is how we do it. What unit are you getting installed?

LG 11.2 Ecodan Ultra Quiet. FTC Controller.  Does that answer the question?


Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.

2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.


   
ReplyQuote
 Brendon Uys
(@heacol)
Noble Member Contributor
Joined: 4 years ago
Posts: 415
11/08/2021 7:10 pm  

@morgan Yes, make sure you get the RF room sensor.

 



   
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Morgan
 Morgan
(@morgan)
Noble Member Member
Joined: 5 years ago
Posts: 676
11/08/2021 7:41 pm  
Posted by: @heacol

@morgan Yes, make sure you get the RF room sensor.

 

@heacol
RF room sensor?  Lost.  Help appreciated.


Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.

2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.


   
ReplyQuote
 Brendon Uys
(@heacol)
Noble Member Contributor
Joined: 4 years ago
Posts: 415
12/08/2021 6:25 am  

@morgan This is what you need instead of a standard room thermostat,

A standard third party thermostat will significantly increase your running costs.



   
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Morgan
 Morgan
(@morgan)
Noble Member Member
Joined: 5 years ago
Posts: 676
12/08/2021 6:30 am  

@heacol   My installer is going with a Neostat wifi.  Comments?


Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.

2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.


   
ReplyQuote
 Brendon Uys
(@heacol)
Noble Member Contributor
Joined: 4 years ago
Posts: 415
12/08/2021 6:43 am  

@morgan Your choice, The Neostat is a complicated on-off thermostat that can be only programmed by the idiot who designed it. Whenever I come across any products by that manufacturer, they go in the bin, to the delight of the poor person whom it was foisted upon.

If you are determined to have an on-off thermostat, this will give better performance as you can actually operate it without the 20 page manual. The 2 thermostats are exactly the same thing. They work like a light switch.

https://www.screwfix.com/p/flomasta-emp912mt-mechanical-room-thermostat/132jk



   
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Morgan
 Morgan
(@morgan)
Noble Member Member
Joined: 5 years ago
Posts: 676
12/08/2021 6:52 am  

@heacol   Oh well that lifted my day lol.    He suggested the wifi neostat as it can be moved around to find our ideal site.


Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.

2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.


   
ReplyQuote
 Brendon Uys
(@heacol)
Noble Member Contributor
Joined: 4 years ago
Posts: 415
12/08/2021 7:08 am  

@morgan The Mitsubishi unit is also Wi-Fi, but it talks intelligently to the controller. Same thing, but it actually works. The Neostat will add at least 30% but probably 80% to your electricity bill.



   
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Morgan
 Morgan
(@morgan)
Noble Member Member
Joined: 5 years ago
Posts: 676
12/08/2021 7:12 am  

@heacol Very cheery news!   They look like they do the same thing to me but what do I know!


Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.

2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.


   
ReplyQuote
 Brendon Uys
(@heacol)
Noble Member Contributor
Joined: 4 years ago
Posts: 415
12/08/2021 7:27 am  

@morgan, you could not be further from the truth, they do not do the same thing. The Mitsubushi unit talks to the heat pump, informing it of the actual internal temperature and allows the heat pump to supply the correct ammount of energy to your property to maintain the internal temperature at the most efficient rate.

The Neostat switches the heat pump on and off, and does nothing else, like using the ignition key in a car to regulate the speed. 



   
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