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Last seen: Nov 10, 2026
Ok. When you say max 50 what changes it? Does it in practice run at 50 and if so does the zone valve switch it on and off? Basically I'm trying to...
@rhh2348 have you got graphs to illustrate this, if so can you post them please (or were you sitting and watching?)
@tomdad How is it all connected/controlled. The heat pump can only produce water at one temperature at any one time, so either it's all running at...
Yes. Just find any radiator catalogue eg myson or stelrad and look it up. This will give you W at a DT of 50C between flow temp and room. To conver...
The radiator output at any given ft will increase if the radiator is larger. So larger rads will translate to lower ft (for the same house temperatur...
@tomdad Here is some more detail. Firstly your heat pump is capable of operating at 55 or 35 or anywhere in between and indeed for a bit either si...
Thats the main consideration. You need to calculate btu or kW at your design flow temperature and compare with the room heat loss. Towel rails emit...
The point to understand is that cycling basically occurs because the heat demand from the house is less than the minimum that the compressor can produ...
That's a bit of a red flag. I don't think your WC settings are correct. No panic because the heating season is more or less over but some tweaks dur...
A couple of things: 1. You should be running on weather compensation (WC) so that the FT reduces as the outdoor temp increases. Your installer shou...
OK, thats good and low. With low flow temperatures like this there is less to be gained by operating weather compensation than if you were operating ...
Can I suggest you read (if you havent already) this 'starters guide' to heat pumps? I think you may be getting things confused. Firstly dont wo...
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