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Vaillant ASHP Weather Compensation with Octopus Cosy

 
Air Source Heat Pumps (ASHPs)
Last Post by JohnR 2 days ago
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 tom58l
(@tom58l)
Active Member Member
44 kWhs
Joined: 1 month ago
Posts: 2
Topic starter 29/11/2024 11:33 am  

Hi all,

I've been looking at tariffs with Octopus (currently on Fixed 12M) and the Octopus Compare app suggests it might be better for me to go onto the Cosy tariff. 

I've got a Vaillant ASHP with weather compensation and it's been keeping the house at a pretty constant 20 degrees, with a heat curve of 0.65. If I did go onto Cosy I'd want to set it so the heat pump bought the temperature up a bit higher and then didn't go on at all between 4-7pm when the cost is high. Can that be done while still using weather compensation? I understood that if it's using weather compensation it ignores any other settings so any changes I made to the time control operation mode in the settings wouldn't make any difference, and there's not even a thermostat on the unit to know how how the house is.

Is that right, and is there anyway I can have the heat pump off between 4-7pm, or even at a setback temp?

This topic was modified 2 days ago by Mars

   
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 JohnR
(@johnr)
New Member Member
62 kWhs
Joined: 6 days ago
Posts: 5
29/11/2024 2:16 pm  

In the Vaillant app go to Settings (the cog wheel icon) > Control > Heating > Weekly planner and put in a temperature below the setback value for the period 16:00 to 19:00.


   
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