Kelvin
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Everything posted by Kelvin
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Ours varies from 245V to 240V typically. Last night it peaked at 245V at 4am and it’s currently 242V with minimal PV generation. These values seem typical and yours seem on the higher side.
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dimensions on planning as opposed to reality?
Kelvin replied to mjc55's topic in Planning Permission
I had a chat with our BCO about this although it was more about escape window height off the floor. We were inside the regs but I asked him if the cutoff was a hard line (1200mm as I recall). He said he applies some leeway (not everyone does) but at some point he has to say you’ll need to change that. Therefore you build to your plans and the regs. Build slightly outside of that and you might get away with it and probably will but what if you don’t. Could be a disaster for a relatively minor benefit. You can also make a non-material amendment as mentioned above. -
I used the 38mm diameter black hockey sticks. The white ones are smaller (32mm I think) In hindsight I should have just continued the ducting in the ground up into the kiosk for house supply as the cable was 35mm2 so only just fitted but it took several goes.
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Buy a kiosk (would suggest a 3 phase kiosk even if single phase supply) and mount it on a concrete pad. Fit it with three ducts (supply in, cable to house, and a spare) For the ducts Have the meter installed in it, a small CU and some sockets. That’s your temp supply. When it comes time for your permanent supply you remove the small CU and sockets, fit an isolator and run your house supply from it. Or get a small brick kiosk built as you suggest. Make it quite big. I’ve ended up with two kiosks as the EV charger supply is installed directly into the meter cabinet but this needed a small CU and because of the large isolator there’s no space in the original kiosk so had to fit another smaller one. Just think carefully about the cable run from housing to the house. You want it to be as straight as possible and as close as possible to wherever the CU in the house is going to be. I got that massively wrong with ours and placed the kiosk too far up our boundary but this was a year before we’d even finalised exactly where the house was going. It caused me a bit of grief when we came to pull the cable up to the kiosk from the house. Took my wife and I a full day!
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Good books on self build project management?
Kelvin replied to Rachieble's topic in General Self Build & DIY Discussion
I did the NSBRC project management ‘course’. It’s not really a course but an overview of many of the things you need to think about doing a self-build. I tied it in with the airtightness overview and a few hours walking round the place looking at all the materials and products. I found it really useful as someone that didn’t have any clue about building prior to starting. As for managing it I just used a simple spreadsheet and an action log. I looked at PM software and job management software but I wanted it as simple as possible. -
Beam breaker or something else
Kelvin replied to Kelvin's topic in Networks, AV, Security & Automation
I considered that and looked at that very website but I still have to get it into HA. Anyway it’s up and running. I have several Philips Hue motion sensors in my stash of stuff. Handily they come with magnets so attaching it was easy. The SMLIGHT SLZB-06 ZigBee Ethernet adapter is POE and the post box is opposite a wall with some ethernet wall sockets. Quick proof of concept in HA and it works either by detecting motion of the parcel or light when the tray is opened. Also solved another annoying problem. There’s a gate right outside my office window that rattles back and forth in the wind. I’ve used one of the magnets from the Hue sensors to hold the gate striker against the latch. -
You’re cladding the box around it just to be clear. 😂
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It’s certainly better than most but it’s still a big plastic container right beside the house. You could box around it and clad in some nice wood to hide it or a planter in front of it and grow something to hide it.
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I’ve never seen a pretty water butt tbh. I am lucky as the rainwater permanently runs through our plot via a burn so we use that.
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Beam breaker or something else
Kelvin replied to Kelvin's topic in Networks, AV, Security & Automation
I’ve bolted it to the ground now. It’s actually pretty good. Having thought about this a bit more adding a beam breaker will require a permanent power supply which is doable as I have power right beside the box. However before I go to the trouble of doing that I’ll use an existing PIR motion sensor I have and customise it so that it doesn’t detect motion when we retrieve something from the box and see how that works. -
I fitted a ‘Smart’ * parcel box recently and obviously it’s not smart enough so want to overcomplicate it by adding some automation. It has a slot for letters and a separate tray to put parcels in it. I was thinking that I could add a beam breaker of some description on the inside so that when something is delivered it tells me. Anyone used a beam breaker and can recommend it? I’ll be using Home Assistant to manage it and have an SMLIGHT SLZB-06 ZigBee Ethernet adapter to connect it to. An alternative is to run BlueIris and connect the Reolink cameras to that (there is one above where the parcel box is) but that’s an extra level of complication. I might eventually do it but not right now before @Pocster suggests it. * I think they call it smart because it has a barcode on it that delivery folk can scan to let you know a thing has been delivered. However I can almost guarantee that not a single deliver person will ever scan it.
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Just to add to this either (Loxone) or something else (Home Assistant) I have ended up adding a Home Assistant instance to the house running in a VM on my NAS alongside Loxone. As good as Loxone is its relatively closed environment means you can’t necessarily integrate everything you have either at all or very easily. For example I have a DAB water pump that has an app to allow you to see how much water and you’re using, plus some diagnostic info, setup into, and some minimal control options. The app is a bit crap and the only information I really care about is water usage. It so happens there’s a HACS integration for it so I can now monitor those sensors in HA. Similarly I enabled MODBUS in the Sigenergy system and have complete access to it via HA. It is possible to add the Sigenergy plant to Loxone via MODBUS tcp and access some of the sensors but it’s a lot more limited than the HA method of access. HA has also meant I could use a load of other sensors and home automation stuff I already had which is all in the garage. The house is pretty much 100% Loxone and the garage is a mixture of hardware from all and sundry but all in HA. It means maintaining two systems but once set up it’s minimal effort and everything in the garage is automated.
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I just made it up as I went along. It’s just a box made out of MDF (because I had a full sheet of it) lined with acoustic foam. I screwed and glued it together then sealed all the joints. There’s no difference in sound between the boxes I made and the firehoods it’s why I used firehoods for all the others.
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Anyone can break any rule/law/guideline they like. It’s not possible for every single thing to be checked so it comes down to people doing the right things in the right way. There’s an ongoing issue in our local town where the sewer keeps overflowing in heavy rain because of exactly this issue. It creates a stinking mess for the folk that live there. Recently Scottish Water has had to station a large tanker on the road to pump the excess flow of water out of the sewer when heavy rain hits as forecast.
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Just as an aside. I was having a similar problem with the Zappi. It’s connected via WiFi and there’s no issue with the signal. Starlink will disconnect the internet occasionally through the night (software updates mostly but also for maintenance) I noticed that the Zappi wasn’t reconnecting with MyEnergi’s cloud servers after one of these Starlink offline events. It was still on the network as I could ping it. It required a reboot to fix it and very occasionally a power cycle. Frustratingly it doesn’t indicate there’s a problem at the charger. It still works but it breaks the Intelligent Go integration so my other half would plug her car in and it would look like everything was ok but it wouldn’t schedule a charge. However since swapping out the TP Link router this has also stopped happening.
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The stereo effect of in ceiling speakers isn’t great so a single speaker works fine. The firehoods also work fine rather than fitting the boxes and you can fit them through the speaker hole. Will save you a lot of work. A subwoofer in the ceiling would need substantial bracing to stop vibrations so I wouldn’t do that. I’m not convinced it would be that good anyway but I’m biased as I have a chuffing big sub in the cinema room. We only use the Audioserver for background music, the odd party, podcasts and the radio mostly. That’s why I’m not bothered about stereo in most of the rooms.
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I used a mixture: A single Focal ICW8 for the master bedroom Single Bowers & Wilkins CCM362 for each of the other bedrooms and a pair of the same for the open plan area and 4 B&W CCM382s for the cinema room. All the speakers are either mounted inside a firehood or an acoustic box I made. This is important as without something the bass response can be quite poor. Of the two speaker types the Focal has a much better mounting system as it has a separate frame that the speaker mounts into. The B&W speakers have clamps that turn then tighten against the back of the plasterboard. It works fine it’s just that the separate frame of the Focal is a better design. My whole cabinet is powered from the Loxone PSU and backup. Tree Turbo is IP based and allows for much higher data throughput than tree. It can be used with the Loxone master/client speakers which allows it to transmit audio over much greater distances. The Audioserver connects to the Miniserver via the LAN. I’ve found the Audioserver a bit flaky with its network connection. I had no end of grief when it was first installed using a temporary spare router. The main issue being that if I rebooted everything it would often not reconnect to the internet or if it did connect I couldn’t access its Web-UI even though it was working. When I swapped out that router for my TP-Link router (when we moved) I couldn’t get it to connect at all so wiped it and recommissioned it which seemed to improve matters. However it would still occasionally lose connection if I re-started the network requiring a few re-boots to get it to connect. I’ve since replaced the TP-Link router with a Unifi Cloud Gateway Ultra and it’s never done it with that and I can always connect to its Web-UI so seems resolved.
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Mitsubishi Ecodan/FTC5 and Heatmiser UH8 UFH control
Kelvin replied to cb1965's topic in Air Source Heat Pumps (ASHP)
I was chatting with a Mitsubishi service engineer a few weeks ago. He was telling me that Mitsubishi are seeing premature failure of their compressors (at around three years) due to zoned system setup short cycling. So much so that they are considering extending their service agreements to include the UFH side but only if they can undo how the systems are setup which is similar to the above. They really ought to be educating their official installers on how best to install their systems to avoid this problem. -
We went and looked at alu windows and we didn’t like the narrow profiles for our build. I could see them looking great in more contemporary looking house though. We much preferred the chunky timber frames and also the timber (Scandi) look so ours are clear coated too.
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No it’s not direct it’s connected to your account so displays what the meter has sent to Octopus rather than the energy flows at the meter. I actually use Octo Aid though to look at the energy use data from Octopus.
