I have an Engel in the work car......not sure I have anything to test the surface temperature of the evaporator
When you turn your Engel MT35/45/60 fridge on for the very first time (let's say, with the fridge at room temperature), approximately how long does it take before the evaporator (the white panel on the inside) goes below zero?
(Evaporator temperature please, not air temp)
Last edited by frogg; 19th June 2019 at 09:50 PM. Reason: clarification
I have an Engel in the work car......not sure I have anything to test the surface temperature of the evaporator
Thanks W&KO - If you don't have a thermometer, how long before it's covered in frost?
Just thinking, I do have a infrared gun, I get my work car on Monday.
I bought a new MT60 about 4 months ago and it is on 24 hours a day as my ale cooler. It is at 0° and if you look at the internal pic, you will notice a little bit of beading in the bottom left of frame. That is all it's done from day one.
My old 40 litre would frost up a bit but I put that down to the 30 year old seal on the lid being a bit dodgy.
Saitch - when the fridge is off (warm), then switch it on - how long (in minutes, seconds, or hours) before the white plate (the evaporator) goes to 0 or frosts over?
pretty much instantly?
after the compressor starts...
it should be about 15-30 seconds before the inlet point of the evaporator plates temp begins to drop.
after about 2 minutes (depending on starting point, temp, plate size) you should be getting a 0 reading or below at the inlet.
Some fridges have a built in start up delay on first power up and some have a "soft start" on the compressor to reduce initial start up current.
Dave
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For posterity's sake, I've gone ahead and performed the test I requested using my own MT35F. Below is the results.
That graph is in degrees F.
those temps are very low,-17 degrees F is way lower than that Engle is designed for.
I would suspect my 35 yr old 29 litre Engle would fully frost the plate after around 20 minutes,at 22 degrees ambient,therefore plate temp would be less than 0 degrees c.
Plate temp would gradually creep down to around -25 C or slightly lower at freezer temps
Paul
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hey scarry,
Sounds like a bingo on around 15-20 minutes for the 0 deg C mark in the Engels - same with my experience and others in this thread.
The Engel is very much designed for extremely low temperatures. The components are rock solid and are capable of going lower if the ambient temps are lower.
As the ambient temps go up, so the lowest temperature the fridge can go to goes up. It all depends on operating conditions. My highest outside has been 36C, and the evaporator seems to stop at about -14 deg C there (though this was with sun on the lid bringing it around 37.8C)
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