I have a Mitsubishi Electric “MSZ-GL06NA” and live in NYC.
Why does the heat pump never stop when set to the dehumidify mode?
The apartment just keeps getting colder and colder but never any drier(?).
When will it ever stop or Does it need servicing?
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Technology Connections recently posted a detailed video about dehumidifiers that’s worth watching. But a key takeaway is that on an AC, the hot side is outside (making the inside cool), while in a dehumidifier they are directly next to each other (condensing the moisture).
Without looking into the specifics, my guess is that it’s not routing the cold air over the hot side to keep things inside the same temperature.
Errr, I think this purely works off a condensor only.
Dehumidifier mode probably runs forever regardless of temp.
Unless there’s a humidity setting, I would assume so.
Nope ☹️
Good point, didn’t think of that.
:((
Just use the temp setting. AC already dehumidifies.
To could also get those bags of beads that absorb water and hang a few in the worst parts of the house. My mom has a fancy one that you can plug in to dry it out, but that just shifts the humidity unless you dry it outside.
The bag of beads sounds interesting… But I feel like the apartment is always humid (thus why I keep it on dehumidify mode)
I’m curious if it actually has a humidity sensor or what the humidity is set to. In Florida it’s basically impossible to get a dehumidifier to 35% and 40% is possible under certain conditions.
If the apartment is getting colder it will be harder to extract water from the air because the air can’t hold as much water
Maybe that’s the issue, the apartment gets locked at a specific cold temp and can’t have water extracted anymore.
You’ve got air leaks. Set your desired humidity higher.
Can’t change the desired humidity :(.
But I’ll look for air leaks
Sounds like either a) the dehumidifier is broken or confused b) your apartment has more moisture in it than you thought or c) the moisture is being replenished from somewhere.
I stayed in a friends house a few months ago and she had 4 dehumidifiers running since she bought it. The house was built before damp proofing was a thing and set into a hill, so the place is basically one massive wick for groundwater. It will never be over for her.
Looking for the moisture leaks, but maybe it is broken or confused, but I have no way to diagnose that
My guess is your heat pump doesn’t have a good dehumidify mode. The thermostat does, but it’s just turning on the A/C. A good dehumidify mode is a very slight A/C and moves a lot of air. So, if your compressor doesn’t handle enough steps down, you’re spending a lot of electricity for not much effect. A dehumidifier with a continuous drain might be a better solution for you.
