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thanks for the help, realy i dont fully agree with all of the coments but around 80% i have been a tad mischevious, but it was not meant to be insultive the boiler in noe running arround 75 with the return between 66 and 60 all i was after was a bit of help as the boiler was not working...

Smart ass better than being a dumb ass Neanderthal plumbing man, the missing pipe you have missed the whole point go get the hammer and give it a clout it sums up the advice! :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :oops: :oops: :oops: :? :? :shock: :o :D :roll: :roll...

It would seem that you cannot evaluate engineering design principals: lol: :lol: Best laugh I’ve had in weeks I’ll set the temp at 30 as it will make no difference the house will still heat up and the boiler will be at its most efficient what **** :lol: :lol: :lol: :lol: :lol:

hmm, Charlatans I assume, don’t like being challenged? You can’t preach custom and practice methods as fact, they may work well, but without challenge you will never move forward I am surprised by the last comment, if you were thinking of using this plumber, don’t he does not like questions...

all i asked for is how to get the temp to rise past 50, no help was recieved, except for some good pointers, the PCB must have been altered in one of the repairs, if these are altered the boiler can run to its design temp with regard to the temp, we will just have to disagree, i belive...

Are you really a plumber? temperature is a part of the heat calculation if the other constants are fixed the heat input to the water will be limited by the max temp it can rise too, so if you set the max temp on the system to say 50 deg c you will not be able to transfer all the energy available...

you would get less temp with a 1kw as i said temp is directly related to heat the heat emitted from a radiator or heating panel depends primarily on the temperature difference between the radiator and the surrounding air. The heat emission can be expressed as: P = P50 [ (ti - tr) / ln(...

Temperature with heat? when the system pressure and volume are constant, which they are, apart from a minor rise in pressure the temp is the only changing factor, so less temperature less heat (kw), where did you go to college? I presume by heat you mean energy and not something else

thanks, why does the manufacture not state this in his installation manual, but netherless, the out put temp of the water is arround 75 deg with return arround 59 so to gain the efficiency if i reduce to 70 i should be lower than 55 if this is so critical to the effiecy, why are these...

The temperature of the central heating water can be adjusted by turning the central heating water temperature control to desired setting between 1 'Min' and 'Max'. Maximum setting is appoximatly 82°C. this is a quote from the manual this is what the boiler is reading, why is this bad, if...

ok. why is 80-85 bad? as the litrature referes to this temp, when it was at 50 it was poor, this boiler has had multiple problems over the past years, and has had most parts replaced no i dont know who you think you are!, but am greatful for the advice, but would like to know the details behind...

thanks, yes, i've cured it, there is some jumpers on the circuit board, i altered these one at a time and now it works at 85 deg!! cheers

hi i have a cxi 30 it will not heat the water past 50 deg on the C/H there must be an easy fix for this? please help!!