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[Solved] Is my Samsung gen6 outside air temp sensor missing a sheath/sleeve?

Papahuhu · 2026-01-14T14:50:40Z

Good afternoon Been having some niggles with cycling and unnecessary defrosts on a newish install. Samsung Gen 6 R32 16kW 1P mono, not getting anywhere fast with installer. Image below is my outside air temp sensor which I would have thought would had a metal sleeve/ sheath covering a PT100 type RTD. What I find on mine is pliable black plastic tube surrounding some type of thinnish wire upto the point where the white cable tie sits, but for the final 2 inches it’s a completely empty plastic tube. I would have expected to see a metal sleeve/sheath sticking out the end. What’s in the picture is wrong, isn’t it? Thanks

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Papahuhu

(@papahuhu)

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Topic starter 14/01/2026 5:19 pm

@toodles

They were first on the list of approved Samsung heat pump installers and servicing in my area. Now they have stopped all heat pump installs, I can only assume their installs hit some problems. I’ve got some serious real oldies in the house, having to resort to supplemental oil radiators to stop them freezing to death.

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Mars

(@editor)

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14/01/2026 5:21 pm

@toodles good call!

@bontwoody, @dinhp, @emceed, @derekdeleon, @oldscientist, @iancalderbank, @catapult, @mike-h, @prjohn can you guys please advise if you're around.

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Mars

(@editor)

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Joined: 5 years ago

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14/01/2026 5:24 pm

Mystery solved courtesy of @aventus-eco (thanks Sean) who just messaged me saying:

Yes, it's correct.
Should technically be touching the coil.
It’s to send for ice and defrosts.

And with a photo:

There's nothing conventional about Samsung 🤣

This post was modified 2 hours ago by Mars

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bontwoody

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Posts: 970

14/01/2026 5:42 pm

@papahuhu

Mine is similar. Is your house not getting warm enough? Are yiu running on weather compensation?

I also have some sensors left over.

This post was modified 1 hour ago by bontwoody

House-2 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
5kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60

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