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Thanks again and I understand. Better ask and learn than take a chance....the fuse is 3 amp. Thank you.

Thanks again Just one silly question, does the cable up to the stat have to be twin and earth wire or could i use just any 3core lead such as a telephone wire with a solid strand. Thank you kindly once again

Hi Many thanks for your quick response. Yes, the room stat is bat operated. I don't have teh manual for the external time clock, which wire would be the CH ON on its back plate? Regards

Hi All, I have a Baxi Combi 80Eco boiler and I would like to install a Siemens Electronic digital room stat model : RDD10.1. Could someone advise me as to how to wire this unit in, does it need to go directly into the boiler control panel or will it have to be connected to my external...

Yeap it sure does. Well the timer will be on tonight and that will be that..no doubt I shall have some more questions but shall post them in a new post..mainly to do with teh flow rate...enough for now. Once again GREAT HELPFULL forum. Thankyou alll and have a great weekend. I'll be back

Gentlemen. I understand the confusion here. I recently bought this house and it was a repossesion, needless to say the heating system was perhaps a half finished project, I got to the house and found some leaking rads,, I switched the boiler to DHW only until I fixed the rads, i did this and...

WOW EXCELLENT... We have heating now...thankyou so very much for your help...top marks to BAXPOTI, your a gentleman.. I have a digial clock that I would like to use, I take it this will connect to the external device in terminals 1&2, if so, where would the roomstat connect? Am I...

Hi Not sure what you mean? What connection do I need to replace, the PCB or the 3 way Divertor valve Thanks once again for your support

Yes, the primary pin does drop when DHW is closed. Yes, both pins activate when DHW is demanded Link wire is in connected. Hmm, the clock is a blank round hole with a plastic plate with no wires in it, I am lead to believe that the internal clock should connect to terminal M3 on teh PCB...

Hi OK Good, 230V is what I get on those terminals.....what next? Are you suggesting that perhaps the diaphragm or its assembly is fauilty? Anything else I could check? Thanks

Hi, In CH mode with link wire the rear microswitch on the 3-Way Valve assembly does not pop out or activate, but as mentioned when i manually force the 3way microswitch both diaphragm pins avtivate thus it can't be a sticky pin..yeah? Does the voltage accross the terminals 1&2 reading OK...

Hi Thanks very much for your response. 1, Selector switch is set left most on Heating & Hot Water. 2, Voltage is -0.021VDC. 3, No Built in timer. 4, Isolator valves both open. Not sure which is the primary pin but...I see 2 micro switches, a 3pin and a 2pin...now... When hot water is...

Hi, I have a BAXI 80 Eco boiler with a CH starting issue, hot water is just fine and the system holds its pressure good at just over 1Bar. I have tried a timer but still not starting the CH system, I have a loop wire on pins 1&2 as per manual with no joy. Any suggestions on diagnostics...

Hi, Thanks for your response, I do appreciate that everyone is busy. I did speak to the support chaps for the timer control and got the correct wiring diagram, I was just wanting to know if this external link should start up the heating system. Cheers

ANYBODY? I have another quick question. If I stick in a loop wire into the external control terminals the boiler heating side should fire up but it does not. Is there anything else I could try or do I suspect the PCB? Thanks again

Hi All, OK, I have a LANDIS & GYR RWB100 timer clock and also a siemens RDD10.1 which i would like to connect up to the boiler. I wired up the timer as per instructtion manual but it does not start the heating when requested, perhaps i have not connected correctly. The back connector...

Hi All, OK, I have a LANDIS & GYR RWB100 timer clock and also a siemens RDD10.1 which i would like to connect up to the boiler. I wired up the timer as per instructtion manual but it does not start the heating when requested, perhaps i have not connected correctly. The back connector...

Hi Thanks for the prompt response. No, timers at all in the house, the only external cables going into the boiler is the mains cable. I do have a digital timer/room stat device but it was a spare from my previous house, if this is what i am missing where would this unit be connected into...

Hi, 1, Only the power on light is on solid green. 2, When hot water is demanded the Orange flame LED is on solid. The terminals 3 & 4? I take it you mean on the PCB on terminal block M2 (upper Right most side on PCB) this is linked directly to the microswitch on the 3-Way assembly valve...

WOW! Are you realy in Pakistan...I am impressed..where abouts in PK.. Many thanks for your prompt response, I shall check as you suggested later today and get back on teh forum. Regards and Allah Hafiz Tona955