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Air Source Heat Pumps (ASHPs)
Last Post by Alfapat 5 hours ago
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 DerekDeLeon
(@derekdeleon)
Trusted Member Member
Joined: 2 years ago
Posts: 22
14/06/2025 1:11 pm  

@alfapat  An odd number of available timeslots.....that's hilarious, only in Korea 🤣 🤣  

The on time at 0300 is only an hour away from the cosy cheap time at 0400 can't it wait an hour?

Would two on/off (cheap rate) timed periods not work for you in the meantime until the modbus goodness arrives?


   
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 Alfapat
(@alfapat)
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Joined: 2 years ago
Posts: 176
Topic starter 14/06/2025 1:48 pm  

Cheap time is 4 to 7am yeah? I have it programmed for 4to 5 for DHW, manually on controller but not happening . 
As I wait for pcb’s I’ll try it again . 
could it be something to with FSV settings as the system is still reheating when it detects temp drop. Like this:

IMG 2387

Suggestion being 3052?

This post was modified 13 hours ago by Alfapat

   
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 DerekDeLeon
(@derekdeleon)
Trusted Member Member
Joined: 2 years ago
Posts: 22
14/06/2025 8:52 pm  

 

Posted by: @alfapat
↑

The last and remaining slot which is the after a bath reheat I have left to come on at 3.00am but cant put in and off time .

Posted by: @derekdeleon
↑

The on time at 0300 is only an hour away from the cosy cheap time at 0400 can't it wait an hour?

 

Posted by: @alfapat
↑

Cheap time is 4 to 7am yeah? I have it programmed for 4to 5 for DHW, manually on controller but not happening

I am only trying to help based on the info you have previously written.

 

Regarding your suggestion for FSV 3052 , it is just a timer to ensure that the forced DHW setting (expensive) can't go on forever. It's default setting limits the forced DHW time to an hour.

 

Only having 5 scheduling slots available does sound a bit strange though don't you think? Is it possible that you have duplicate entries in the schedule but the clumsy user interface is making it hard to spot?


   
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 Alfapat
(@alfapat)
Reputable Member Member
Joined: 2 years ago
Posts: 176
Topic starter 14/06/2025 9:35 pm  

Hey I totally appreciate your help and suggestions , sorry if seems negative . 
I have reset clock to am/pm , but not sure that’s the problem . 
I went over daily’s again on the am/pm settings including a sixth setting now visible🤨, first showing of this will be 10.30 pm tonight , but if the DHW is 48.5 this input will not be needed . It’s after a bath is run if it’s before 12am then we will see . If not it should wait till 4am …..not convinced! 🫣
Many thanks meantime . 


   
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