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As I understand it, the pipe drains out the fridge, and the water collects in a basin that the compressor users as a heat sink. At least, that's what it looked like was happening on my gran's fridge, which is fairly archaic come to think of it.
Nef-
That's what I've seen too. Although I don't think the heat sink part is vital to the functioning, just saves having to get rid of the water and maybe a fraction cheaper.
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This is the essence of 'frost-free' fridges.
Water vapour condenses on the internal back panel of the fridges and collects in the 'gutter' that drains out into the collector on top of the compressor.
Gunk eventually grows in the hole/grommit and prevents egress.
The 'frost-free' fridge then freezes up at the gutter.
Modern fridges have shelves with upstands at the rear edge to prevent stored food/containers contacting the back panel to allow the condensed moisture free drainage.
aggi
mespilus
Rear drains on fridges (neff fridge)
Is this a plastic pipe or gromit thing, that should be exposed?
Is there a way to recover it?
What are the consequences of loosing it?
Thanks