Question about Dometic Rooftop RV Air Conditioner

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Dou therm thermostat

Thermostat is 30 degrees warmer than room. can you adjust or replace with a digital?

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  • Dometic Master
  • 6,674 Answers

Make and Model of roof top unit please?

Posted on Jan 27, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

jbjaxiis
  • 95 Answers

SOURCE: dou therm ac

could be low freon, could be a bad capasitor, could also be a bad fan motor

Posted on Jun 25, 2008

  • 1 Answer

SOURCE: duo therm air conditioner

my duo therm air works beautifuly all day but at night when we go to bed it seams to turn on and shut off rapidly. what could be wrong?

Posted on Jul 19, 2008

  • 68 Answers

SOURCE: Dou Therm Brisk Air not running

Turn the ac off go up top the coach and remove the cover. Look for fan blockage, Wasp, mud dauber etc. Caution if it is wasps they will chase you off the end of your coach. Take some spray with you. If there is no blockage the fan motor is toast.
Thanks for using Fixya
Jerry

Posted on Mar 30, 2009

motor1258
  • 6674 Answers

SOURCE: my dou therm thermostat thinks

Either a new thermostat, or perhaps it's the location of where it's mounted. It may be right temperature in another area but sometimes thermostat is in a poor location for reading properly. Have you tried setting an alternate thermometer near thermostat to see how far off it is?

Posted on Sep 10, 2011

SOURCE: i have a duo therm thermostat by dometic i have to

Its bad, but if it can be set to where you are ok, who cares what it says!

Posted on Sep 13, 2011

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1 Answer

WHY DOES MY FURNACE SHUT OFF BEFORE REACHING TEMP


Hi Demetrio
Furnaces turn on and off based on what they're told by your thermostat. The thermostat, in turn, will control the furnace based on:
  1. The temperature AT the thermostat.
  2. What the internal heat sensor thinks the temperature of the air is.
So, if your idea of 68 degrees is what the thermostat thinks is 71 degrees (thermostat reads three degrees high), then when the air by the thermostat gets to about 65 degrees (by your account), it'll think it's 68 degrees and shut the furnace off.

Also, if the thermostat is, say, near a source of local heat, like a lamp, a big piece of electronics, a fireplace, or that place that you habitually set down your coffee, then the air right next to the thermostat may be warmer than the rest of the room, and fool it into thinking it's at it's target.

The sensor is usually inside the housing for the thermostat. If it hasn't been dusted in a while, then it can be hard for air to get inside to affect the sensor, though this would generally cause it to lag on readouts and run the temperature higher than you wanted.

If you have a digital readout, and the system is saying , hey, target is 68, and the readout gets to 66 and the system cuts off the furnace.... my only other guess is that the unit may have features that are trying to prevent overshoot - i.e. by the time the temp at the thermostat actually gets to 68, most of the room is more like 73. That'd depend on your particular thermostat. At that point, you may want to call customer service with the manufacturer and tell them the issue. There may be ways to adjust the unit to get behavior closer to what you seek.

Good Luck!

DH

Jan 25, 2016 | Heating & Cooling

2 Answers

GE Profile Cold Control


Your thermistor switch may be defective, and stop the cooling before time

Apr 06, 2008 | Refrigerators

1 Answer

Furnace refuses to cycle off even when room is 20 degrees warmer than setting


Do you know how to access your furnace wiring ? What make/model furnace?

Jan 18, 2013 | Dometic 3109228.001 Duo Therm Comfort...

1 Answer

My dou therm thermostat thinks the room temperature is 85 to 90 deg..! I need to set the thermostat to that temp to get the heater to come on even though it's around 70deg. Same thing goes for the AC...


Either a new thermostat, or perhaps it's the location of where it's mounted. It may be right temperature in another area but sometimes thermostat is in a poor location for reading properly. Have you tried setting an alternate thermometer near thermostat to see how far off it is?

Sep 09, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

Compressorruns fora short time


the thermostat controlling your unit likely has a window type of programming for digital or mechanical adjustment for older style thermostat that sets a minimum off temp and a maximum on temp, there may be an adjustment to set the range it operates at, otherwise you may have a defective thermostat controller unit and it needs replacing also insure that the temperature sensing element is clean and free of dust build-up and your filter is clean

Apr 28, 2010 | Dometic Rooftop RV Air Conditioner

2 Answers

Need to adjust oven temperature on a Croley gas range


you shouldnt need to adjust the burners for a temp problem.
the control has a built in calibration setting and it should be described in your owners manual.
if you dont have the manual, then try to set the oven temp to max, 550, and then hold the bake button in for 10 to 30 seconds. after that it should beep and show you a 2 digit number like 00. that is the calibration mode, then you can adjust it up or down +/- 35 degrees. try to make a small adjustment first like 10 degrees and see how it bakes.
if it takes too long to bake, then use + degrees, if it is burning things then lower -10 degrees.
hope that helps you.


Jan 03, 2010 | Crosley CE35100AA Electric Kitchen Range

1 Answer

Indoor temp doesnt go to my punched in setting of 68 on therm


if it is around 93-97 degrees outside,thats all the cool your going to get

Jun 23, 2009 | Honeywell Programmable Thermostat Heater

2 Answers

With new digital thermostat furnace runs every 10 min.


which type of T-Stat is it ? most standard t-stats have it built in that the temperature range is only a half a degree, it may seem like its running alot more, but in actuality it is maintaining better home comfort as it is not running as long as the old bimetal t-stats which would have a range of anywhere from 2-5 degrees which would cause the furnace to run alot longer, use more energy, use more fuel, and you would notice a definate change in the house temperture before it would come on or shut off, your t-stat seems to be working properly, and it will save you money, remeber also to change those filters !!!

Jan 20, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

AC wont shut off


while unit is running tap control to see if it shuts off or turn therm. up to 80 if still runs replace control (warranty)

Dec 14, 2007 | Fedders AEQ07FBG Air Conditioner

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