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[TD]

My installer menu is just a zero at each level. Obviously done when it was put in. It's working fine, and I do like to 'fiddle about' with things, so maybe it's best I can't get to it. 

Mine asks for a 2 digit code to access the installer menus.....

[STEMO]

Think I've worked it out...a bit. If the stat's showing 20 and I ask for 21/22, the boiler takes the water up to about 45 degrees and that's it, obviously bring the temperature up gradually. If I ask for, say, 25, it gets it's arse into gear much more quickly, obviously realising that it needs the full 75 degrees to bring the temperature up.
What I don't like is the fact that it takes the outside temperature into consideration and this can make it behave differently. I want to be in charge of what happens indoors, not the fickin boiler.

[aaronjb]

Pretty sure your wife will always trump you when it comes to being in charge of what happens indoors, regardless of the boiler.. 

[Sir Tigger KC]

Pretty sure your wife will always trump you when it comes to being in charge of what happens indoors, regardless of the boiler.. 

Yes the old boilers are always in charge! 

[STEMO]

Pretty sure your wife will always trump you when it comes to being in charge of what happens indoors, regardless of the boiler.. 

Not in this house. The only thing that bosses me around is the dog. 

[Sir Tigger KC]

Pretty sure your wife will always trump you when it comes to being in charge of what happens indoors, regardless of the boiler.. 

Not in this house. The only thing that bosses me around is the dog. 

That's what you think! 

[Marks DTM Calib]

Pretty sure your wife will always trump you when it comes to being in charge of what happens indoors, regardless of the boiler.. 

Not in this house. The only thing that bosses me around is the dog. 

who do you think instructs the dog?

[STEMO]

The little bastard has just had a plate of ham and is now looking at me eating my sandwich. (Looking=staring..staring..staring...staring..staring) Moving closer, ears back, pathetic look on face......fick off...all gone. 

[TD]

Think I've worked it out...a bit. If the stat's showing 20 and I ask for 21/22, the boiler takes the water up to about 45 degrees and that's it, obviously bring the temperature up gradually. If I ask for, say, 25, it gets it's arse into gear much more quickly, obviously realising that it needs the full 75 degrees to bring the temperature up.
What I don't like is the fact that it takes the outside temperature into consideration and this can make it behave differently. I want to be in charge of what happens indoors, not the fickin boiler.

Whats the heat curve set to? (its under the installer settings on the controller, not on the boiler) The higher the number the more it makes the boiler work. Also on the controller settings, you can set the min temp of the CH. Mine is set to 65C on the controller and 75C on the boiler, so the lowest temp the CH can be is 65C and the max is 75C, the controller is then in charge of where the temp should be between those two temps.

I suppose you could set the two settings to 75C, but that kinda defeats having weather compensation.

[STEMO]

Errrr......controller?

[Sir Tigger KC]

Errrr......controller?

We've told you already, that's Mrs STEMO!     

[STEMO]

I have this:


This



And this

[Kevin Wood]

21? 

Conclusive proof of who wears the trousers there. 

The dog has clearly been taught well.

[Sir Tigger KC]

So I pulled out the little filter on the cold feed to the boiler this arvo and it was OK, so it looks as though I have bigger problems.... 

[TD]

I have this:


This



And this

Ecotec 831, the same boiler as mine.....but several things....

Its quite a modern 831, going by the left hand side lcd panel (same as mine) ive seen older versions.
But the installer has put in an old timer control and then added a third party room stat.
Nowt wrong with that setup, but it wont be making the full use of the boiler features
It doesn't have weather compensation btw. You need the Vaillant VRC 470 or VRC470F (wifi version) for that.
I have the VRC470F fitted to mine https://www.vaillant.co.uk/homeowners/products/weather-compensating-control-1984.en_gb.html
That's the controller I referred to in an earlier post, its a room stat/timer and a host of other things too.
But I doubt if its worth changing your setup as the VRC470F is nearly a £200 option and its been superseded which costs about the same!

PS Someone has nicked the front panel off your boiler  theres suppose to be a metal panel that covers the controls and I can see in the pic off the boiler its missing!

PPS If you really really want to mess with the settings of the boiler......when its asks for the code , press up arrow until 17 is displayed then press enter.....on your head if you fook it up