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Nothing to worry about mate, I've had great support.

You've really helped me understand the system mate, thank you. I feel confident now. (It's the first time I've ever had central heating in my life and it's a system that I was involved with designing the whole way along. It feels really good.)

I've been thinking about a programable one. I'll look into it. Fair point. Yesterday I did an experiment. I let the whole system warm up to full operating temperature and then went around and shut all the TRV's down to frost protection setting. I left one radiator on max. In this case the...

I think you're right. I'll just ask him. We're only experiencing slight frosts so I am not concerned. I'm in the house every morning from 9am working through until the evening. When I first go in I can feel the residual warmth from the heating. I light the wood burning stove if it gets really...

Ok I understand. That makes sense. Thank you. So, I have a final £200 to pay before I get the certificates for the whole system from the firm. The bathroom and kitchen install that I will be doing myself won't be for some weeks so currently there is no way to use the hot water so it's just...

There are ten radiators as follows: 1200 x 600 K2 single convector 1200 x 600 K2 single convector 600 x 600 K2 single convector 600 x 600 K2 single convector 600 x 600 K2 single convector 1200 x 300 K2 double convector 1200 x 400 K2 double convector 300 x 500 K1 single convector 300 x 400 K1...

It's set mid way on the knob. The engineer measured this as 75 degrees celsius output in the log. The radiators achieve 60 degrees + with an infrared thermometer. They are all on maximum for now but I will be adjusting them and trimming the system once we move in. Yes, that's why the boiler...

OK, that's interesting. I didn't realise that there might be a preset anticycle function limiting the boiler to two minute cycles, without which the cycling could be much less? If that's the case then I imagine everything is fine as it is. It doesn't mention anything about that in the...

The house stat is still calling for heat, the ten degrees isn't reached by the time the boiler starts short cycling. It's short cycling on it's internal return flow stat, not the house stat. What's bad about short cycling? (I'm keen to learn.)

I'm not complaining and have a good working relationship with him, I just like being involved in the process so I can learn. It will be some weeks before I intend to heat the cylinder but the commissioning is being done at the moment. Besides the cylinder, there's no difference between now and...

OK, thanks. A longer warm up time is not a problem if it means that it's all set up right Tony. Is the current two minute short cycling OK for now then? There's not excessive wear on boiler components? Suffering efficiency? I'm keen to learn about all this and deal with the engineer well so...

Hi guys. We have a new external Worcester Danesmoor 18/25 kw System Oil Boiler. The whole system is brand new, radiators and a un-vented 210 litre domestic hot water cylinder. With all the radiators on full (the hot water cylinder valve is turned off for the moment. The kitchen and bathroom are...