Might be a small error, if so it's consistently applied, so the math is still valid. yes it could be less. I was working from memory, so didn't bother to check the logs, just went downstairs to measure it. I have just measured it and on average the heating element is on about 10 seconds in every minute. So 10 minutes in every hour. Sounds like your bric is much more efficient. Laws of thermodynamics still apply, so there must be some reason why, because heating elements are 100% efficient.Compass Coffee wrote:Wow 14 min per hr, ~23.33% idle heater on duty cycle I suspect an error in data collection, that's terrible.
My Bricoletta only has a 5.55% idle heater duty cycle. I did gain ~35% improvement back when I insulated the boiler with ceramic blanket. But even before not near 23%, more like 7.5% idle duty cycle with uninsulated boiler. I did my timings with minimum 2 hour warm-up and/or 1 hour after last shot. (tested multiple times)
I've run the math and my locale costs ~$3 per month to run my Bric' 24/7. So any potential $ savings from turning on/off/on/off... would be non-existent or infinitesimal at best.
The point i am making, not to digress, is that it's not a saving in energy of only 5% to switch the machine off at night....it's much more than that. I also am not making the point about cost savings for prosumer machines, i think I said that in my first post (although with a big commercial, or 2/3 machines over 50 sites, the savings per annum would be considerable). You're right, the savings for you and I are insignificant as my machine costs 20p per day to have on for 12 hours....clearly nothing to worry about..but the repair bills for you and I to leave them on all night, might be something to get concerned about.
I am lucky I don't pay for spares, I get whatever I want free, but it could be expensive if I didn't and I still try to take as much care to avoid problems as possible.
e.g. There was a batch of 240V Gicar boxes floating around around 18 months ago, where the 12V transformer (within the Gicar Box) that controlled the autofill solenoid was quite sensitive to prolonged high temperatures. Machines left on all night in that scenario would certainly have hastened the demise of that component (if it was in the hot zone). Even the impending problem was quite evident as a brown mark on the label over the location of the 12V transformer. So for those of you with a 240V machine around 18 months old that has a Gicar box.....turn it off at night.
I had one of the first Alexs machine and as you can see my 240V gicar box had the problem (as shown in the attached picture) The brown mark was evident for some 4 months before it finally went. Replacement is easy a 10 minute job.