Can anyone help with this query?

[christineb]

Hi

I have a Myson combi system and we have had probelms in the past with the mechanism that seperates the water i think it is called the diverter? anyway it meant the heating was running at the same temp as the hot water so after several plumbers promised to turn up and repair it and didnt (!) ( i think it may have been an akward or too small a job for them!) we have managed to control it through the temp control on the hot water tank.

But now it has stopped working all together, the pilot light is lit, all the electrics seem OK but the system wont fire up up at all even if you move the control on the boiler, I am very confused and would appreciate any advice you kind people can offer!

many thanks, fingers crossed!

Cheers

Chris

 

[chrishutt]

I have a Myson combi system ........ on the hot water tank.

If you have a hot water tank you probably don't have a combi. Might be better to tell us what boiler you have, and what controls (motorised valves) - make and model in each case if possible.

 

[christineb]

Hi Thanks for your speedy response! Unsure where to find the model numbers, I dont have a manual as the previous owner didnt hand it over! any advice?

 

[chrishutt]

Any chance of posting a picture of boiler and controls. Guys here will recognise those things in a blink.

 

[christineb]

will do, how do i post photos on this site, any clue?

 

[chrishutt]

Instructions are given somewhere (try main menu) - basically you have to upload your pics to a host site and then post a link here.
//www.diynot.com/forums/viewtopic.php?t=8463

 

[Agile]

To post a photo, put it in an envelope and stick a first class stamp amnd write the address on the front!

 

[christineb]

Hi chris

I have posted the images to the administrator as advised on the FAQ page, not sure how long this takes etc but I believe they post a link on this thread.

Thanks for all your help

Chris

p.s. Agile - very funny!

 

[christineb]

Hi Again.

While I am waiting for my photos to appear! And I am still freezing here, I have copied down this from the inside of the front panel, dont know if it helps.....

Economist Wallmounted Boiler

WM15/30 Bfa, WM30/40 BF, WM40/50 BF

With pump overrun thermostat



Brrrrrr!!!!!!

Fingers crossed again!

 

[compheat]

I don't think this boiler is a combi The only combi myson made was a MIDAS (i think) yours is a low water content fully pumped boiler Which should have a motorised valve and room/cylinder stats ??? to control the temp and boiler

 

[christineb]

Thanks, any idea how I can get the damn non-combi to work then!!

 

[chrishutt]

Well, we haven't got much information to go on at the moment. Assuming you don't have a combi, you probably have a motorised valve controlled by a programmer/timer via a cylinder stat and a room stat. A failure of the pump and boiler to operate might be due to a fault in the motorised valve.

However all that is conjecture, since we have little info to confirm even that the set up described above is the same as yours. Someone needs to carry out some electrical checks to see where the problem lies, at least using a mains testing screwdriver or multimeter. Can you do this?

 

[ollski]

The only combi myson made was a MIDAS (i think)

Your forgetting the genesis, though I can't blame you for that

 

[chrishutt]

Your forgetting the genesis

The Genesis was marketed under the Baxi name, although it was made by French company Chaffoteaux & Maury. Nothing to do with Myson.

 

[ollski]

Sorry did I sat genesis, I meant gemini