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Last seen: Apr 3, 2026
@alec-morrow I'm coming to the realisation that this is indeed the problem. There is a single zone and no electronic mixer. We have a VRC700 indoors i...
@colin do you know or can you measure the flow temp to and from your radiators and ufh? Upstairs still freezing, rads cold despite 3 litres per minute...
Posted by: @colin Posted by: @webcmg @colin You know you want to get the problem sorted when you get out of bed to set this up! I also ...
No, I think there is a pump for each manifold and actuators for each zone. Will try this if Colin's approach isn't working. Thanks.
@colin You know you want to get the problem sorted when you get out of bed to set this up! I also have room temp mod set to "none". Do you have Adap...
Thanks going to give this a try...
And I found out that it was Vaillant themselves who 'outsourced' the system design... sigh. @colin assume your setup has a controlled mixer?
Wow, this sounds incredible. When you say max assume you mean any TRVs and thermostats at say 25 deg c or something? What is your desired temp set at ...
Immersion is off at the switch - how might I identify a backup heater? I think the difference in values is probably just a timing issue.
@Derek-m @kev-m @alec-morrow @mike-patrick @mattengineer General update. Vaillant attended and resetup the controller and checked the glycol levels...
Does anyone happen to know the current month energy consumption update interval for the 700/6 controller? It certainly isn't realtime (no idea why no...
Yes, thank you. This is extremely helpful.
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Latest Posts
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RE: How quickly would you want/expect heat recovery to take from setback?
@jamespa I was thinking primarily of raising the flow t...
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He's down for a bit of maintenance... I'll restore him ...
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RE: Why don't people choose heat pumps?
So a bunch of things rather than generate a load of rep...
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
That is a good approach and an excellent result. For co...
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RE: Our 10 year old Grant heat pump failed
@editor @mike-patrick A 10 year old grant heat pump ...
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RE: Buffer tank on a 2 x 14kw Ecodan system
In principle I agree but for what? OP has drawn a sche...
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RE: Say hello and introduce yourself
Good to see you here, @claytonbrowne, and welcome to th...
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RE: Issues with Samsung heat pump – high running costs and house dropping to 11C overnight
It looks very much like a radiator balancing i...
By hml1827 , 1 day ago
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I have, @transparent, but chose to pose the question he...
By Majordennisbloodnok , 1 day ago
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RE: Should I change my cylinder when changing from a gas boiler to a heat pump.
@jamespa’s point about payback is a useful counterbalan...
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If it no longer works after forgetting its settings and...
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
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