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Samsung ASHP turning on randomly?

 
Air Source Heat Pumps (ASHPs)
Last Post by Andehh 2 years ago
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 Andehh
(@andehh)
Trusted Member Member
Joined: 3 years ago
Posts: 19
Topic starter 08/07/2023 7:35 am  

We have a Samsung gen6 ashp, just installed. I have set the DHW to come on during the day to maximise the benefit from our solar panels...heat to 50degs only between 1pm and 4pm. It manages this no problems.

 

What I cannot understand is why I find it heating the water outside of these hours. No where can I see a setting which overrides the DHW timer, and the instructions haven't triggered any thoughts from me. 

 

There doesn't seem to be any pattern to it. 

Legionnaires cycle is now disabled, so it's not this. 

Can anyone help educate me on what's controlling it outside of the DHW window please?

 

It's a new build with 2 x manifolds, 2 x radiators in a garage/workshop and zone of towel rails. Garage and towels arnt commissioned yet.

 

 

Thanks, 



   
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Dunlorn
 Dunlorn
(@dunlorn)
Estimable Member Member
Joined: 3 years ago
Posts: 79
08/07/2023 10:34 am  

Hi

I had similar, until I realised I needed to set a specific 'off' schedule outside the hours I want, in your case 1600 to 1300. If you don't do this it will still come on when tank temperature drops. Apologies if stating the obvious. 


2 x 12kW Samsung Gen6 ASHP, 5.6kW solar PV ground mounted c/w 10kWh Puredrive battery & Solis inverter.


   
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 Andehh
(@andehh)
Trusted Member Member
Joined: 3 years ago
Posts: 19
Topic starter 08/07/2023 12:24 pm  

Thanks Dunlorn... This is how mine looks?

16888154568435552147567245403837

 



   
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 Andehh
(@andehh)
Trusted Member Member
Joined: 3 years ago
Posts: 19
Topic starter 11/07/2023 6:42 am  

Posted by: @dunlorn
↑

Hi

I had similar, until I realised I needed to set a specific 'off' schedule outside the hours I want, in your case 1600 to 1300. If you don't do this it will still come on when tank temperature drops. Apologies if stating the obvious. 

 

Just wanted to say your suggests seems to be working. I set an extra schedule from 4.01pm onwards for it to be "off" and from what I can tell it seems to be working. I'll keep monitoring, but thank you for now! 

 



   
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