I can pickup a new AKO from the UK for $100 AUD delivered, or is it worth replacing it with something like this: https://www.auberins.com/index.php?main_page=product_info&cPath=1&products_id=14
On Thursday, August 20, 2020 at 12:05:57 PM UTC+10 OzAaron wrote: > Hi sma, > > Glad to hear the issue is semi-resolved. > > I guess it is personal preference. If it works, then it might be worth > leaving it? If it is a loose fit, then am I to assume one or both of the > little clips on the sides has either just gone hard (and has no spring) or > broken? I wonder if you could somehow make a replacement for those clips? > > Replacement is going to set you back between $250 and $350 in parts; > depending on if you replace with AKO, or upgrade to PID, so it depends on > if you see value in that. I was lucky enough to have an SSR spare and > ordered parts to replace the transformer which only cost me $30 or so; > otherwise would probably have persisted with the AKO stock standard. PID > should give you much better temperature stability in theory, but the fact > that the steam boiler has control over when it takes power away from the > brew boiler makes me feel like thermal stability is always going to be > somewhat compromised anyway (so is the PID as important?). I think Expobar > have planned for this even in the Bii design by making the brew boiler > large enough to have enough thermal mass to be relatively stable using bang > bang control (AKO) anyway. > On Thursday, August 20, 2020 at 11:50:09 AM UTC+10 [email protected] wrote: > >> Hi OzAaron, >> >> I tightened up the wiring/connection into the AKO and it seems to have >> fixed the problem but the AKO plastic casing started to fall apart on me as >> its become brittle. The display is now loose due to the plastic breaking >> away. Do you think its worth replacing even if its working now? >> >> Cheers >> >> On Thursday, August 20, 2020 at 10:52:46 AM UTC+10 OzAaron wrote: >> >>> Just a quick addition; I have not dealt with the PID units, but from >>> screenshots I think I can make out 230VAC input rating, so may not require >>> the transformer (would use the same wires that supply your current >>> transformer direct into the unit). >>> >>> On Thursday, August 20, 2020 at 10:49:31 AM UTC+10 OzAaron wrote: >>> >>>> Hi sma, >>>> >>>> I'm currently rebuilding the same model. You can see my posts at: >>>> >>>> https://coffeesnobs.com.au/forum/equipment/brewing-equipment-pointy-end-1500-3000/836201-expobar-minore-brewtus-ii-repair-rebuild >>>> >>>> >>>> The AKO controller has a traditional relay inside which is a mechanical >>>> switch (rather than a solid state relay: SSR). I've just installed an SSR >>>> in my unit (for future-proofing) and still using the AKO controller to >>>> switch the SSR. I ended up replacing the transformer with a switch mode >>>> supply so that I have 12V DC (and 8V DC for the AKO) which I may use in >>>> future for a custom controller modification, but for now it takes the >>>> heavy >>>> lifting out of the AKO (8A seems like almost too much load for such a >>>> little controller). >>>> >>>> If the AKO controller looks OK (all segments are working all the time) >>>> and it partially works (i.e. switches the brew boiler on for some time), >>>> then I recon the relay inside the AKO might still be OK. I'd recommend >>>> problem solving until you are sure it is the AKO (unless you really want >>>> to >>>> change it anyway) otherwise you might end up replacing the controller only >>>> to find something else is the issue (wiring/connection, heating element, >>>> over-temperature thermostat). >>>> >>>> That being said; if you want the kit, I think Jet Black and Dibartoli >>>> sell them in Australia. They're both in Sydney, so local for me; but I >>>> suspect some other companies might have them in Melbourne too: >>>> https://www.jetblackespresso.com.au/?rf=kw&kw=minore >>>> https://dibartoli.com.au/search.php?search_query=expobar§ion=product >>>> >>>> >>>> You can pick up the stock SSR and newer PID, or even a replacement AKO >>>> from them. >>>> >>>> On Thursday, August 20, 2020 at 9:51:58 AM UTC+10 [email protected] >>>> wrote: >>>> >>>>> I have a Minore II and wanted to upgrade the AKO Controller to a PID >>>>> and install a separate SSR as my model doesnt have one (I think its built >>>>> into the AKO). I'm currently having issues with the Brew Boiler not >>>>> holding temperature and it looks like the AKO built in SSR is playing up >>>>> and not sending power to the brew boiler. >>>>> I'm in Australia and dont have access to WWL PID Kit. Can someone >>>>> please point me into the right direction as to where I can get the parts >>>>> to >>>>> upgrade? >>>>> Also, there is a small power transformer (Powertran M2851L) which I >>>>> cant see in the newer machines, what does it do? Do I need to remove it >>>>> if >>>>> I do the upgrade? >>>>> >>>>> Cheers >>>>> >>>> -- You received this message because you are subscribed to the Google Groups "Brewtus" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/brewtus/d1a8e845-239c-4ed6-8068-68cabe97e980n%40googlegroups.com.
