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Hi,
is it possible for a Midea Aurora Series (R410A) to hold stagnant water and therefore cause legionellosis when turned on after months of summer heat?
And is it ductless?
It's not 100% clear to me from the manual as I know next to nothing about aircons.
The manual is here, below the image. Thank yous
Anything is possible but it is highly unlikely.
Within the indoor unit is a drain tray that sits unders the cooling coil and the drain outlet and hose normally has a direct fall to outside, whether connecting to a drain pipe or falling to ground. Therefore there isn't anywhere for water to sit and stagnate especially as any residual water from the previous season would probably have evaporated.
If you are concerned then it is very easy to run some cleaning fluid into the unit drain tray to sterilise the system.
[edit] Sorry, second part of your question, no it is not ducted at all there are simply refrigeratnt pipes through the wall.
Thank you kindly for the reply.
I am also wondering something else: on page 36 of the manual, it mentions "Gas Leak Checks":
"Check all flare nut
connections and confirm that the system is
not leaking
• Confirm that gas and liquid (high and low
pressure) valves are fully open"
Does this mean the aircon uses mains gas?
If not, why is a refrigerant gas leak such a big deal?
Thanks in advance
No they do not run on mains gas, some nowadays might run on a gas similar to bottled gas such as propane but yours doesn't.
"Why is a refrigerant leak such a big deal?"
Well, where shall we start????
1. If it leaks you lose your cooling and could damage the compressor.
2. Have you read or heard anything over the past decades about the hole in the ozone layer, if not then I recommend that you do some research on the matter. So apart from breaking your compressor you could also be breakng the planet.