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Honeywell dt92e room thermostat. Changed batteries but heating Is still staying on. Help.

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  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: changing a room thermostat a potterton to honeywell t6360

I think I've done it - but don't take this as absolute truth.
For the Honeywell T6360B the original Potterton wiring should be rewired as follows:
Brown [Live] goes to terminal 1; Blue [neutral] goes to Terminal 2 and the yellow/green [which is not an earth but a switched live - i.e. gives live to the heating system when the thermostat clicks in] goes to terminal 3.
Obviously all done with the power isolated and when it was switched back on we had heating again :o)
It's been on over two hours now and all seems fine.

Posted on Feb 16, 2008

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SOURCE: HONEYWELL CM921 ROOM THERMOSTAT

Remember the is a time and temperature controller if you want to use as an ON/OFF controller please ensure you OFF times are set to LOW temperatures for example at 8:00am I want the boiler firing to 21°C at 10:00 I want the boiler to go OFF at 5°C so ensure all so called OFF times are set to LOW temperatures.

Posted on Oct 27, 2008

Accurate Joe
  • 61 Answers

SOURCE: heat pump auxiliary heat does not turn on

Turn up your outside thermostat in the outside unit.
You should have about 3 degrees difference in one stage to the next. So I would change the thermosat with one that has three stages of heat.

Posted on Nov 30, 2008

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SOURCE: Honeywell thermostat won't regulate temp properly

Is there a setting on your thermostat that makes the unit stay on for 10, 15, 20, 25 minutes after you reach set temp. You can change this setting by looking at your manual for the thermostat. Not sure if there is one for this thermostat but mine has one. Mine was running 15 min after set temp and making it cool down 2 degrees lower than set temp. Hope this helps.

Posted on Jun 25, 2009

SOURCE: Honeywell Thermostat RTH7400D

The thermostat will not cut off the A/C until the thermometer reading gets to 76.

If there is not a heat source near/behind the thermostat which is causing the thermometer to read higher than actual room temperature, it sounds like the thermostat thermometer is out of calibration.

There are ways to calibrate it, but much to involved to go into here.

One solution is to just set the thermostat at 80, knowing that it's really set on 76.

Another solution is to replace the thermostat.

Charlie

Posted on Aug 14, 2009

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1 Answer

I have installed a Honeywell DT92E which keeps turning off the boiler before room temperature is reached


Hello David, I don't know if you installed this thermostsat or had someone else to install it. If you don't have the manual for your DT92E thermostat, I found a PDF file online that coveres both DT92A and DT92A. If you scoll down the PDF file after opening it, towards the bottom, you will see how to adjust the boiler timing. Maybe the timing is still in default mode and needs to be adjusted for a longer burn time? Hope this helps out.

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How do I remove a Honeywell DT92E Thermostat from the wall mount ?


turn off power to thermostat. should be a small flat head screw located on the bottom of the unit. release screw and lift face from the bottom, out and up. you will then need to identify wiring before removal of back plate unless the wiring is redundant.

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DT92E room stat appears to be very inacurate with its room tempreture, our normal room temp is about 22c we have to set the stat at 25c to get heat and the stat cuts out after a temp rise of 1c


All thermostat is calibrated @ difference of 2 degree.to cut in and cut off.
In heat mode, if you keep 25 and your room temp 23. it will start at the end of 24 or beginning of 25 degree.Cut off also @27 degree beginning. Please check Tips & how to do's in Fixya

Jan 11, 2011 | Honeywell Heating & Cooling

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The instructions say the Honeywell DT92E needs only a two wire connection, but the wiring diagram shows three, which is correct Please


This Honeywell control thermostat is made for wireless control, by means of a relay control transmitter with a range of 30 meters. It only needs a 2 wire connection on this stat if indeed it is the DT92E stat. Even though the diagram shows three, you will need only 2 for operation. This is a fact. I have done some reading on this model and many of its relatives, so with built in relays, and transmitters, this is an amazing set-up. Good luck with it as you should enjoy its operation and user friendly features.
Sincerely,
Shastalaker7
A/C, Heating, & Refrigeration Contractor
Please be kind when rating, as I know you will be. If you have anymore questions, leave them in the comment box so I can check in when I can get to them. Thank you for using Fixya.com

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Go to honeywell.com
Under red welcome sign
Bottom red highlighted box literature/image search
Type in thermostat model number
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Then click on the PDF files owners manual / installation instructions
If you can’t find what you want, the bottom left and bottom of web
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Is the thermostat mounted near a lamp or other heat source?
Is the wall warm from ducts in the wall or a refrigerator on the other side?
The thermostats are usually pretty accurate. Most times I find some other influence on the thermostat causes the problem.
The Honeywell 8000 series also has a feature accessed through the installer setup menu, that will allow the temp display to be changed + or - 8 or 9 degrees.
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