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are there internal electric heaters ?

 
Air Source Heat Pumps (ASHPs)
Last Post by ivanhoew 5 months ago
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 ivanhoew
(@ivanhoew)
Trusted Member Member
Joined: 6 months ago
Posts: 27
Topic starter 11/02/2025 6:06 pm  

Hi chaps ,

 

reading this ..

https://kronoterm.eu/how-to-set-up-your-heat-pump-for-maximum-comfort-and-minimum-cost/

 

 

i saw this bit ..

ashp leccy heaters .

 

 

i know there are lots of different makes of pump , but i wonder , is this a thing that most pumps do , meaning if , as i do , i run my pump at hs temps of 15-16c , i am possibly then using more kw than i would running it at 20c !

 

that would be an eye opener and no mistake .

 

 

regards

robert

 

 

 


   
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Morgan
 Morgan
(@morgan)
Noble Member Member
Joined: 4 years ago
Posts: 618
12/02/2025 9:24 am  

As per the screen shot, when my Ecodan is not calling for heat and is effectively 'off', you will see that the flow and return temp' is always at a minimum 20c.

Screenshot (93)

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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 ivanhoew
(@ivanhoew)
Trusted Member Member
Joined: 6 months ago
Posts: 27
Topic starter 12/02/2025 9:51 am  

Thanks morgan , i can't find any flat bits in my graphs ..

Heat Pump(9)

probably because i suspect  its about 6x too big , i can see looking at the amps line , there don't sem to be any spurious power surges in between cycles .

 

 

regards

robert

 

 

 


   
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 DavidAlgarve
(@davidalgarve)
Reputable Member Member
Joined: 2 years ago
Posts: 108
12/02/2025 5:31 pm  

Interesting because when my Mitsu is not running I recall typically Phase A shows zero; Phase B 11.2W & Phase C shows 107.44W.  I thought it was the control plus the undesirable secondary circulation pump. It doesn't seem much for any electric heater on a 16kW ASHP

This post was modified 5 months ago by DavidAlgarve

   
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 ivanhoew
(@ivanhoew)
Trusted Member Member
Joined: 6 months ago
Posts: 27
Topic starter 12/02/2025 6:53 pm  

i agree david , that sounds like a water pump sort of draw.

maybe its just that ashp make in the article that does it ..

This post was modified 5 months ago by ivanhoew

   
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