Question about Emerson Quiet Kool 12NW46HK Air Conditioner

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Can unit's heat on thermostat go below 66 degrees?

I have this unit in a rental property I just purchased in Ocean City, MD. Of course I do not have the manual for it. Anyways, we keep it on over the winter to ensure the pipes do not freeze up. We were instructed to keep the condo unit @ 55 degrees F. However, this particular Emerson Quiet Kool Unit, will not allow us to set the digital temperature below 66 degrees, and it runs much more than we need it to when the unit is unoccupied. Do you have a copy of the manual or can you help me ensure this emerson stays @ 55 degrees. Our first electric bill on this 700 SQ foot unit was $210 and we weren't even using it!!! Please help.

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This unit is not capable of setting at 55 degees if the setting won't go to less than 66 degrees. The board is all electronic, and for most uses, it attempts to keep the environment suitable for human living conditions (take a look at your wall stat, it doesn't go down to 55 degrees either.).

I would suggest another type of heater that has an adjustable thermostat that will go down to that temperature.

Posted on Jan 20, 2009

  • Mark Egan Jan 20, 2009

    I might add, to keep pipes from freezing, you could afford to go down to an even lower temperature, say 35 - 40 degrees.

    You might also want to consider wrapping the more susceptable pipes with heat strip next time your there (or have someone do it.). They use very little power when it's warm, and consume more power as it get's colder. But just enough to keep the pipes warm.

    I would also be concerned about how much power the water heater is using as well.

    And finally, consider average billing with the power company, if they have it, depending on how much the 2nd home will be used.


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I would rent the unit out if possible and allow someone else to pay the bill for it. sometimes on those specific units they wont go below 65 without turning it on to air conditioner.rent it out and let someone else pay the bills for it for the winter months

Posted on Jan 20, 2009

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Let me esee if I can get you the manual

Posted on Jan 20, 2009

  • Jyackle5
    Jyackle5 Jan 20, 2009

    Sorry you can not hook up to a thermostate.

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1 Answer

CWC-1600 cools constantly


More than likely, the thermostat on the unit is going bad. If the coils haven't been cleaned recently, then I suggest that you unplug the unit, clean it well and then cycle it back on. If it continues, then the thermostat that's located within the unit is going bad. Please refer to the owners manual for proper service and maintenance for your unit. https://www.appliancefactoryparts.com/content/pdfs/140265-1.pdf

Feb 04, 2017 | Heating & Cooling

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WHAT DOES IT MEAN WHEN HEAT IS SET 66 AUX IS FLASHING


If it is a heat pump if the ambient I door temp is not than 3 degree s lower than 66 it utilizes the aux heat ( heat strips) to help the unit achieve your desired temperature set point faster. Also the heat pump does need help if trying to overcome really cold temperatures. Once set point is achieved the heat pump should be able to keep the home at the set point without aux heat. But the flashing may just be to let you know that the heat strips are in use at the current time. See if when the temperature gets close to your set temp if it goes away. If not a heat pump it may always flash to just tell you heat strips are in use. Some homes mostly trailers only have heat strips but on heat pumps heat strips are there to help heat pump get to your desired temp. But when your heat pump can maintain the temp without the strips is where it saves power. Also heat pump thermostat hVe emergency heat settings. This scares alot of people but if your heat pump isn't working and you have to switch it to emergency heat until you can get it fixed,. That means that the system is only using heat strips and not utilizing heat pump at all. Power bill may be a little higher but remember, most trailer homes only have heat strips and if you do not use emergency heat in this situation your heat strips will only heat home 3 degrees below set point on thermostat to allow heat pump to bring it up the other 3 degrees. If heat pump isn't working correctly you will always be 3 degrees colder than what you set you thermostat at. Maybe too much info but it's prolly just your aux heat on helping system achieve the desired temp you set thermostat too.

Oct 24, 2016 | Heating & Cooling

1 Answer

I just installed a honeywell 5-2 progammable thermostate.. Everything is hooked up fine and I have my days, hours wake, sleep, leave...etc all set, but when it goes on.. for example, I have it set for...


You didn't include a model number, so it's hard to know for sure - but I'll take a stab at this one. Many of these t-stats have a programmable offset to reduce "hunting". This can be as little as 1 degree or more than 2 degrees.

This means if you set the offset to 1 degree and the room temperature to about 65 degrees, the furnace will heat the room until the t-stat registers a rising temperature of 66 degrees. The furnace shuts off and will not turn on again until the t-stat registers a falling temperature of 64 degrees. The average is 65 degrees, and prevents the furnace from starting and stopping numerous times instead of just once with the 1 degree offset.

You can further reduce the number of furnace start and stops by increasing the offset to 2 degrees. This would work like this when the t-stat is set to 65 degrees and the room is cool:

Room Temp Furnace
63 On
64 On
65 On
66 On
67 On
68 Off

The room is now warm and heat or furnace is off. The room begins to cool like below:

67 Off
66 Off
65 Off
64 Off
63 Off
62 On

With a 1 degree offset, the room temperature varies +/-1 degree (about 2 degrees total). With a 2 degree offset, the temperature about varies +/ -2 degrees (about 4 degrees total).

Also, when the thermostat shut the heat off, the heat that was made is delivered to the space instead of wasted by sending outdoors - so the room will get a little warmer even though no fuel is being burned. The same holds true at the other end. When the t-stat turn heat on, fuel is burned, but there's little heat until the source has reached the optimum temperature and then the heat is delivered to the space.

I hope this helps & good luck! Pleas rate my reply - thanks!

Jan 24, 2011 | Honeywell Programmable Thermostat Heater

1 Answer

I just got a new heating unit installed. However it runs constantly. If the target temp is 68 degrees it will hit 68 degrees and just keep running. It does the same at 63 degrees. Is this normal?


Dear friend! Any thermostat, it's calibrating to cut off at the end of 2nd beginning and cut in 2nd ending of temp.
Ex: In heat mode, If you set @ 68 degree, it will cut off 70 degree beginning and cut in at the end of 66 degree.
Hope it's helpful to you?

Jan 10, 2011 | Intertherm Heating & Cooling

1 Answer

Temp set at 68 degrees but goes to 66 and the heat pump never shuts down has an electric aux


Depending on the outside temp. your heat pump might not keep up with the demand. It is not economical to run your heat pump in temperatures at or below freezing. Doing so could cause compressor failure and these are not cheap to replace. I would be running the aux. electric in low temps.

Dec 21, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

I have to play with thermostat to get my heating system on


You did not make it clear if the thermostat is a programmable unit or not. I am wondering if the thermostat is not set on the correct heat anticipation setting. A heat anticipater is a small heater that helps the thermostat turn off before it over shoots the desired temperature setting. If the thermostat is set for a 5 degree setting, it will turn off at 63 degrees if set at 68. If the anticipater was set at 1 or 2 degrees, it will shut off the heater at 66 or 67. Newer thermostats will only allow the thermostat to cycle 6 times per hour so if you never reach the desired temp, you have to wait 10 minutes before it will allow a call for heat. Check the installation instructions to see if there is a setting where you can get the anticipator temperature closer to your set temp. Good luck.

Dec 11, 2009 | Goodman Heating & Cooling

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Hot air blows unless the temp is turned down to 66 degress


well ? Does It get cold @ 66 Degrees? And If so.. Aint 66 degrees cold?

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Water build up in bottom of refridge


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Jun 29, 2008 | Refrigerators

1 Answer

Temperature varies 13 degrees around setpoint on aux heat


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