Adjustiing/mod'ing digital thermostat on LG window air condi

[Dan]

zekor@comcast.net wrote:

Dan wrote:
I didn't note the model # but I just bought an 8000 BTU at The Home
Depot.
I tested it and it goes to 60 deg. I put a thermometer near the sensor.

gs

Thanks for the reply. I checked the temperature across the room on a
bedside table. Since the sensor is on the evaporator, it may very well
get to 60 right there, unfortunately it's a little cramped for living
space under the filter ;-) With mine set at 60, the lowest I could get
it in the room was 69, this on a day that wasn't more than about 74. I
attached a 100k pot in series with a 47k resistor across the thermistor,
adjusted to about 75k total (have to remove & measure to be sure) I was
able to get the room down to 61, with an outside temp of around 75. I
don't plan to keep the room this cool, but it does show the machine has
the capacity to lower the temp sufficiently if the thermostat tells it
to. Very easy mod, in case anyone else has a similar issue with a room AC.

Thanks again all who replied.

Dan

 

[ian field]

"Mike Berger" <berger@shout.net> wrote in message
news:e642p2$j2p$1@roundup.shout.net...

The very energy-efficient models do work like that, and take
forever to cool down a space. For your purposes you would
probably be happier with an inefficient model, and you might
need to size it up.

Dan wrote:
I could try another brand, but I'm
not guaranteed it won't behave the same way (it's been at least 7 years
since I had to deal with a window AC, I thought perhaps this was "just
they way they are now", that maybe they won't go any lower for energy
concerns or something) and if its size is different it may require

Energy efficient my arse!!! - they chug away drawing 9kW for bloody hours to
drop the temperature 1C. Its not about energy efficiency, its about non-CFC
ozone friendly refrigerant that's next to useless!!

 

[Connie]

replying to Dan, Connie wrote:
How do u do this. Mine does the exact same thing and it used to go lower than
69.

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[Tim R]

You're focused on the electronics but we really need some physical data.

What is the delta T? (what is the temperature of the air entering the air conditioner and what is the temperature of the air being supplied to the room)

Refrigerant charges are weighed in (if the maker is careful) or just estimated if not. Either way it is possible to customize them for the actual use scenario based on superheat and subcooling measurements.

 

[Twai]

replying to Dan, Twai wrote:
My lg lw2510window AC compressor don't shut off.


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[Ryan]

replying to Dan, Ryan wrote:
I am having the same issue with a brand new wall unit. At least my room temp
goes down to about 65/66 when set at 60. But this is very annoying that these
are all calibrated wrong! Do they do this on purpose to appease the global
warming cults or something?

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[RION]

replying to Ryan, RION wrote:
Well, here it is 2018, and I am having a similar problem with an 8,000 BTU
window ac. I guess I should feel luck that mine does go down to 65.7 F. The
problem here is that I bought this to cool a wine cellar. The ac unit is in a
fake window between two parts of my basement. The wine cellar part is well
insulated, but you can't get 60 F (the temperature I really desire) if the
calibration on the thermistor is wrong. I am getting ready to use a fixed
resistor along with a pot, and hope I get lucky.

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