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Last seen: Sep 4, 2025
@jeff this will work if you have the appropriate wiring centre from Bosch, or the boiler has priority hit water. Bosch though are something of a...
@toml1981 do you have a room sensor any where and is it the same brand as the heat pump (which means it will probably vary the flow temperature) ...
@mattengineer I’ve probably installed 200 of the vaillant and 100 of the Viessmann equivalent I can talk you through the parameters if you like… ...
@webcmg yes you are right internal reference is optional if you get the heat input right relative to the outside temp you don’t need indoor refe...
Do you have UFH?
@sand I’d ask the ashp installer to do it..none of this stuff is simple. In fact he may have a straightforward answer as to why it’s not in the heated...
Can’t you get that controller into the house? It’s only a two core cable. once there it must be programmed to respond to actual room temperature...
@sand OK this is the problem..the controller that will optimise the heat pump is not that one...salus controllers do not feed back to the heat pump in...
Of the controller there seems to be an FTC 5 and 6
@sand can you post a link?
@editor the industry is set up as the boiler industry to exploit U.K. consumers Installers are poorly supported which is why this London base...
@kev-m unfortunately the heating industry has lost control of the narrative around efficient and optimised use of energy. does anyone seriously...
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