THRi C CHIMNEY OR BALANCED FLUE Condensing boilers with heating only and linear modulation from to kW. THRi SEP CHIMNEY OR. THR /THR CEAR GEMINOX SA – 16, rue des Ecoles – BP 1 – SAINT-THEGONNEC (FRANCE) – Tщl: SENSORS CONNECTION THRI C. *. W FAN CABLE THRI/ THISION/THI *. W WIRING DHW SENSOR ZEM B/SEP/M
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Agile20 Nov I did have a Microstar known as geminox which was much better, it had a water tank that heated the water and could use heating and water together and lasted 13 years, but heat exchanger went.
For some reason if you try to activate the central heating but someone is using the hot water, it wont allow the central heating to come on, until the hot water is switched off. Also, if you want instant central heating, then you must switch off the hot water supply on the control panel.
Because of the way that boilers work its inevitable that that style will only operate on HW or CH at one time. The fan is fitted with a Tachometer to indicate fan speed to the LMU it is likely that the fan may need replacing. Boilerman222 May You cannot use central heating or the water together as it switches from one to another, so if water is being used the central heating will shut down.
It was one of the condition that I get this also when purchasing this boiler. It has all the error codes on it.
Click on an alphabet. Obviously my father is fond of Geminox boilers and the previous one we had under the name “microstar” was an excellent boiler. It had a tank inside the boiler and allowed you tthri use the hot water and central heating at one time. So you get the full 25Kw of gas pwer to your DHW if you are using your show.
When I rang the firm in surreythey say the pressure sensor is not made anymore. Agile 26 Aug Managed to fix one error which was 1 Geminox thri 10 50 manual.
Steelmasons 29 Jun You must log in or sign up to reply here. Agile 22 Sep This is a wall- mounted condensing boiler, with a heat output, with a closed circuit hot- water heating boiler, type B23, C13, C33, with a linear power mod- ulation.
A few days ago my pressure sensor has gone. You can buy the boiler on its own and buy you own unvented stainless steel cyclinder and use a standard heating set up using a 3 port mid position value.
I hope this answers some questions about this boiler Please note I also added extra expansion tanks each for the heating and hotwater.
I fine this hard to believe Its a great safety risk Anywhere i try to drain the sytem down this weekend and clean this sensor and hopefully it will work. Truely speaking this is not a combination boiler. This continues to occur many times before the central heating comes on after 40minz. One of the reasons I don’t fit Ariston’s, too much fannying around, and have you seen the display on the one the rep is tarting about, how long before “Houston, we have a problem” you get some 75 year old pensioner to understand this craaapp.
I disagreed with himhaving got A levels in physics and chemistry the aluminum will get eated away by the acid produced by the condensing gases. Engineer advised something is cooling the plate down and he thinks its due to not having a non return valve fitted onto the hot water, cold water is going back and cooling the plate and this will continue to happen. In any case I found that if unplug the sytem and switch on after about 30 minutes. Log in or Sign up.
I was right,after two years Viessmann told me they have replaced that model by another as they had problems with the heat exchanger. Boilers are nowadays quite advanced and setting curves is just part of the commissioning of most boilers.
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Geminox Megalithe 30S central heating pump Boanerges20 Augin forum: I called the geminox help line and one of the technicians advised that the boiler can only operate one function, ie. Plumbing and Central Heating. You may improve this time by incresing the DHW stoarge temp and using a mixture at the taps. Its difficult to imagine how you came to choose one of these boilers!
LOL, its so frustrating this boiler. Well its too late to change the boiler now, just a big problem as i was operating the boiler this morning and even though i switch the QAA 73 control panel to stand by the geeminox continued to pump hot water to the central heating This is no sign of the a problem with the wiring or the LMU as that was replaced a month ago.
Agile22 May The boiler prioritises the hot water supply first and then the central heating and also if you switch the system on, it doesnt work. The boiler heats the plate up to the temperature set for the dhw, once this is achieved by the boiler it moves on to the heating.
The instructions on that boiler are just a few pages photocopied rather similar to the standard of the Keston boilers. This system is out of date now It only has modulating flame but not a modulating pump. Instead they are offering a modification.