Question about Dometic Rooftop RV Air Conditioner

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Remote thermostat off several degrees

The thermostat has to be set about 6 degrees higher than true temperature for heating. The thermostat has to be set about 8 degrees cooler than the desired temperature for air conditioning. All in all the remote thermostat is very undesirable. I would like to replace this troublesome piece of junk with a regular wall thermostat.

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If you can locate the sensor the remote thermostat is sending the signal to you may be able to get terminals to wire a thermostat to let me know if it is possible what the terminal letters are normally G is fan, Y is cooling, w is heat, red is 24v hope this helps

Posted on Jan 06, 2009

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Posted on Jan 02, 2017

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2 Answers

My thermostat is set on 68 degrees and it shows room temperature is 68, but the furnace still kickson, Honeywell said it has a 1 degree difference. so what's the problem then?


Yes there is a one degree tolerance, in fact my heater just kicked on and it is set to 67 and the inside temperature reads 67. It is also a Honeywell.

Dec 28, 2016 | Heating & Cooling

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Setting start temperature on central heating thermostat


It sounds like your heating system has to little capacity to heat the home properly. 21 degrees is a reasonable temperature to expect but if the unit is running all the time and can't reach 21 degrees the heater is too small.
As far as setting the thermostat here is a link to the instructions.
http://www.salus-controls.pl/data/product/attach/rt300rf_-_eng.pdf

Nov 22, 2013 | Heating & Cooling

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Can't increase the heat on the thermostat


Instructions1 On nearly every Honeywell thermostat, the heat setting can be increased by simply pressing the HEAT option or AUTO and using the arrow keys to adjust the setting higher or lower until the desired temperature is reached.
2 To set an automatic heating schedule for Wake, Leave, Return and Sleep, press the SCHEDULE button, then EDIT.
3 Select the current day and use arrows to select the time and temperature for Wake. For example, if you typically awake for work at 6:00 a.m. and want the heat to come on, use that as your Wake time and adjust the temperature to suit.
4 Select the day and use arrows to select the time and temperature for Leave. Since you will be leaving the home empty for several hours, this setting will allow the thermostat to lower the heat until your arrival back home.
5 Select the day and use arrows to select the time and temperature for Return. This is the time and temperature that you will choose for returning home from work and may want the heat on to warm the house for your arrival.
6 Select the day and use arrows to select the time and temperature for Sleep. Set the time you normally go to bed. The thermostat will automatically adjust itself to your selected temperature at that time.
Thanks

Apr 01, 2012 | Lakewood 2096ET Oil Filled Radiator Heater

1 Answer

I have a Kenmore Electric Dryer #76974150. It only works right the higher heat setting. Will not heat at all on the low heat settings? Any ideas?


If the dryer is running then the thermal fuse is okay.

The temperature is controlled by three parts. There is the operating thermostat which is on the blower housing and is rated at 150 degrees. This is high heat.

The operating thermostat sits in a thermostat heater which is controlled by the temperature switch. The temperature switch controls how much voltage passes it to the thermostat heater. This is how we achieve lower temperatures. There is about a 15/20 degree difference between high heat and low heat.

The restricted vent may have caused the appearance of the dryer running hot.

I would suggest you check the temperature coming out of the exhaust. It can be checked with the vent hose pulled off. Any thermostat with a range between 120 degrees and 160 can be used. With the vent removed check the temperature of the air in the exhaust. At high temperature it should cycle between 135 degrees to approximately 155 degrees. This is high heat.

If you turn the temperature switch to a lower setting such as delicate you should see a lower temperature in the exhaust. It may only be 15 degrees lower but it should show a lower temperature.

I hope this information helps to resolve this problem.

Jan 08, 2011 | Kenmore Dryers

3 Answers

Where do I set thermostat when temp is 10 degrees outside?


Setting a thermostat has nothing to do with outdoor temperature, but more to do with what is a comfortable setting for you and your utility bill.

A common misconception associated with thermostats is that a furnace works harder than normal to warm the space back to a comfortable temperature after the thermostat has been set back, resulting in little or no savings. This misconception has been dispelled by years of research and numerous studies. The fuel required to reheat a building to a comfortable temperature is roughly equal to the fuel saved as the building drops to the lower temperature. You save fuel between the time that the temperature stabilizes at the lower level and the next time heat is needed. So, the longer your house remains at the lower temperature, the more energy you save.

Another misconception is that the higher you raise a thermostat, the more heat the furnace will put out, or that the house will warm up faster if the thermostat is raised higher. Furnaces put out the same amount of heat no matter how high the thermostat is set; the variable is how long it must stay on to reach the set temperature.

In the winter, significant savings can be obtained by manually or automatically reducing your thermostat's temperature setting for as little as four hours per day. These savings can be attributed to a building's heat loss in the winter, which depends greatly on the difference between the inside and outside temperatures. For example, if you set the temperature back on your thermostat for an entire night, your energy savings will be substantial. By turning your thermostat back 10 to 15 degrees for 8 hours, you can save about 5 to 15 percent a year on your heating bill -- a savings of as much as 1 percent for each degree if the setback period is eight hours long.
Hope this helps..........

Nov 23, 2010 | Goodman GMS90703BXA Heater

1 Answer

If i am away for any length of time, do i put the temp on vacation? does the water still get warm?


Since you didn't provide the brand & model of the thermostat, only generic help can be provided.

Most furnaces that run on oil or gas, make hot water all the time, 24 / 7 - winter, summer and everything between so to speak. They are controlled by an aquastat that may be set for any value between 140 - 180 degrees F. This is called "hot start" - simply because when the thermostat is set to a temperature higher than the room (turning heat ON), the water is already hot in the furnace, and is circulated immediately. If it was a "cold start", you'd have to wait for the water in the furnace to heat up from room temperature. This would substantially increase the amount of time it would take to heat the room.

Generally, the "vacation mode" simply halts the program from running. If your thermostat changes temperatures several times during the day / night, it will simply hold the lowest temperature - or a predetermined temperature built in - or chosen by you. You'll need to consult your manual to determine just how your thermostat handles the vacation mode setting. Post again if you can't find the manual - but tell us what brand and model it is.

I hop ethis helps - good luck!

Many heating thermostats don't allow for setting a temperature below 45 degrees F so freeze ups shouldn't be a problem.

Sep 30, 2010 | Heating & Cooling

1 Answer

I have a chronotherm 111 honeywell and i set it on auto and auto and cant get it to go higher then 23o


Hi,
On many thermostats you need to take the cooling temperature up before you can set the heating temperature higher...you need to maintain a 2 of degree deadband between the two settings...

heatman101

May 20, 2010 | Honeywell Heat/Cool Thermostat

1 Answer

My white-rogers 1F81-261 model thermostat keeps rgoing back to a 62 degree setting after the furnace kicks on at a setting of 72 degrees. I have reset the program, but that doesen't seem to help. What can...


MANUAL OPERATION
• HOLD TEMPERATURE — With the SYSTEM switch set to
HEAT or COOL, momentarily press HOLD button. HOLD
will be displayed. Use UP or DOWN to adjust the temperature.
The thermostat will hold the room temperature at the
selected setting until you press RUN button to return to
program operation.
This is on page 6 of the manual
Link: Installation Instruction

Feb 06, 2010 | White Rodgers White-Rodgers 1F85RF-275...

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

1 Answer

Temperature varies 13 degrees around setpoint on aux heat


I don't have the book for this particular unit but, check the sequencers that control the electric heat mode, as the regulator heat pump works good. The part may have a time or temperature delay that is too long for you. Also if it has a remote thermostat, check the heat anticipate setting. You will have to check the installation manuel, but its usually .6 to .8, but I don't think that is the problem.

Nov 28, 2007 | GE Zoneline AZ55H09D Air Conditioner

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