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Everything posted by Post and beam
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Is this a common Vaillant problem?
Post and beam replied to Post and beam's topic in Air Source Heat Pumps (ASHP)
If i knew where and how many i could do this. Do you mean the tundish? -
Is this a common Vaillant problem?
Post and beam replied to Post and beam's topic in Air Source Heat Pumps (ASHP)
This is the kicker, i have not been bleeding mine every time. It needs topping up , and much too frequently. Which led me to believe it was a leak. No signs of water leaking inside the house and i certainly hope there are no issues between the floors with all the joints. I would expect to see patches on the ceiling if this were the case. If it stops raining i might be able to monitor the unit outside for damp patches. -
I have to restore pressure every day or every other day on my installation, by about half a bar to be accurate. Only been in the house for one month and had assumed this was air gradually settling out of the system. Although it never seems to appear anywhere. But, i saw on a facebook page today that someone asked about a very similar scenario and was told that this is a known issue with Vaillant arotherm heat pumps. Mine is a 5Kw version. Lots of Vaillant user on here so my question is, is this a widely known issue?
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Dumb Ubbink questions
Post and beam replied to Alan Ambrose's topic in Mechanical Ventilation with Heat Recovery (MVHR)
It all fits together like this. Its a very positive and secure 'click' when it goes together. I have used an adjustable ceiling grill in my house which i hope will allow enough adjustablilty to mean i dont need to use the restrictor rings that come with the distribution box. If you think about it, using those means you need to open the distribution box for every minor configuration tweak. All of your ducting will be connected to the box and i imagined this would be a nightmare. -
Dumb Ubbink questions
Post and beam replied to Alan Ambrose's topic in Mechanical Ventilation with Heat Recovery (MVHR)
I have just been through this pain most of this year while installing mine. For the first floor ceilings i had to build a wooden 'bridge', screw the piece to it and then mount between the rafters. In my case the blocks were 85mm tall. I chose that height so that the opening at the bottom was either flush or 1-2mm up inside the ceiling plasterboard. Dont forget the gaskets around the Ubbink part for your airtight seal. They are not cheap. I have 250mm posi joists downstairs so there was more room to play around. Still had to screw in a mounting block for the piece to screw up into though. Most of my orders for bits took about 3 weeks to arrive from Holland. I was not organised enough to plan out and remember all the other bits i needed so multiple orders were needed. -
best way to exploit 'Cosy' tariff?
Post and beam replied to Post and beam's topic in Air Source Heat Pumps (ASHP)
Newly built house this year so an EV charger was mandated but i dont have an EV car. I do have a Vaillant 5Kw though. -
best way to exploit 'Cosy' tariff?
Post and beam replied to Post and beam's topic in Air Source Heat Pumps (ASHP)
Thanks dude, thats sort of what i was thinking. The half price during the cheap periods sound attractive but, like you, not sure its going to work out. For the first couple of weeks here we were getting high 5'S for COP. Last week it fell to high 3's while the temp was about -2. These are reasonable numbers i think considering the short sample period. I will look for an Economy 7 type deal i think. Probably a better fit to low & long. -
Having only just moved into our new house we are on the standard Octopus tariff. We run all day 'long and low' with a flow temperature not much above 30 degrees. A little higher for some of last week when the temperature dipped below -2 for a couple of nights. For those of you happy on Octopus Cosy how do you adjust your time periods to best exploit the triple cheap slots during the day? Do you charge to a higher temperature during them for example. Thanks in advance as always keith
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Manifold flow question
Post and beam replied to Post and beam's topic in Ground Source Heat Pumps (GSHP)
Understood. I have a 5kw Vaillant arotherm. Will give this 'wide open' strategy a trial. -
Manifold flow question
Post and beam replied to Post and beam's topic in Ground Source Heat Pumps (GSHP)
Interesting strategy, my design was presented to me with each of the 11 circuits assigned a flow rate. I do not have a buffer, well i dont think so. I have a RED pressure vessel and a white one in my cylinder cupboard. All discussions with the installer made it clear i wanted a single zone downstairs for the UFH. WC and as simple as possible. Thanks for the response by the way. -
Manifold flow question
Post and beam replied to Post and beam's topic in Ground Source Heat Pumps (GSHP)
Apologies guys this is an ASHP related question. MODS: can this post be moved please? -
When adjusting the flow can anyone confirm its the RED disk shown by the Red line. I guess so but there is that other disk just below it( blue line)
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If i were going for full on Passive house i would not entertain any contractor that did not have a long track record of doing so. And a list of satisfied customers. Although i am very happy overall with my new house (not passive) i can say that not a single contractor actually did exactly what they said they would.
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In my case and in the village i now live in, the 4G is patchy and 5G non existent.
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my Vaillant connect.... usefulness?
Post and beam replied to Post and beam's topic in Air Source Heat Pumps (ASHP)
Thats what the 5.7 is, well its 5.5 for today actgually.its todays daily values so far. If i manually take the heat generated for both water and Heating and divide by the electrical energy used i get 5.5 -
my Vaillant connect.... usefulness?
Post and beam replied to Post and beam's topic in Air Source Heat Pumps (ASHP)
Understood. So that is our reference. For my installation there are very simple controls and no un necessary pumps buffers or anything. So i am going with the belief that my values from the 'Vaillant connect' app are likely to be less than the 20% potential margin of error. So if i say that 10% margin of error is reasonable i am still happy enough with my current running value of 5.71 -
my Vaillant connect.... usefulness?
Post and beam replied to Post and beam's topic in Air Source Heat Pumps (ASHP)
From a purely empirical point of view, which method is the reference? Or for that matter any other method. How does anyone determine which is the more accurate? -
my Vaillant connect.... usefulness?
Post and beam replied to Post and beam's topic in Air Source Heat Pumps (ASHP)
The reason for me asking is the 'efficiency' tab and associated graph say 5.49 If this relates to a COP then i will be over the moon. I dont yet have any other monitoring installed and have been trying to decide which way to go. -
The graphing statistics that i can get out of the 'my vaillant connect' gateway app are not very sophisticated. But they do appear to show some interesting results so far. For those of you that have a Vaillant Arotherm, do you make use of the data and over a longer period do you find the data accurate enough to be of benefit?
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Pretty quick to install or the download? Ordered and collected the antenna from Currys, tried it out on the floor before i committed to drilling a hole in my house wall. Test all good. So mounted in on the side of the chimney, aligned it easily and have been good to go all weekend. Easy peasy. Had a text over the weekend from Openreach saying they will arrive tomorrow Tuesday to install my broadband. I took great delight in telling them that their incompetence and attitude were incompatible with me paying them any money so please dont bother.
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Starlink is live. Only lying on the garden floor and partly obscured by hazel trees in this temporary location but 324meg download and 31 upload. Not too shabby
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Well i bought a starlink standard this afternoon. Once i have it installed i will report back here and then tell BT to do one.
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The thing is i have had this service at my rental for the past 16 months while we built this house. It really isn't worth it. The BT TV offering is not good.
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No. Openreach are unavailable to speak to. So they did not appreciate that they needed to cut some trees to get a line of site for an overhead cable run. The first engineer that discovered this did not leave any notes for a subsequent engineer. so the issue was repeated when he arrived. In between this there were 2 cancellations of my service altogether from my previous address because they cannot seem to arrange a home move correctly. On Tuesday last they just failed to turn up all day with no communication to me of any kind. They have lied about offering me dates for another visit. apparently waiting now for 3rd party permission to cut the trees. If they dont have this permission i dont see how they could offer me a new date. further proof that they lied to me. I am done with the incompetent idiots.
