Question about Honeywell Heating & Cooling

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We have a newly installed Honeywell CM900 wireless programmable room thermostat and HC60NG receiver box. The temperatures seem to be working in reverse for example : Room temp 20 degrees , If we request more heat by manualy changing temp say to 25 the boiler goes off. If we reduce the temp required to say 10 the boiler comes on. Also the led light on receiver box is on when boiler is off, and off when boiler is on, this is opposite to what the instruction say should be happening.

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  • Anonymous Mar 27, 2014

    the temp displayed on the thermostat is about 4 degrees higher than ambient temp in room.

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  • 15 Answers

You have wired the cooling (yellow) and the heating (white) backwards.

Posted on Sep 19, 2008

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1 Answer

I turn my heater on, it is set on auto, but it never turn off, it's a new thermostat.


If the setting was at 80 degrees and it didn't turn off, that's because the room didn't reach 80 degrees yet. Keep track of the room temperature as well as if it turns off when set for a lower temperature.

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Go to honeywell.com
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I have a cm921 thermostat with the correct batteries showing full charge. Yet the battery light is flashing and says battery low. Also displayed room temperature is a lot higher than the actual room...


HONEYWELL WEBSITE:
Go to honeywell.com
Under red welcome sign
Bottom red highlighted box literature/image search
Type in thermostat model number
Click on arrow to right
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
Page, they have homeowners assistance and Home products to get the help you need.

Feb 28, 2010 | Honeywell Programmable Thermostat Heater

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Feb 18, 2009 | Honeywell Programmable Thermostat Heater

1 Answer

Remote not workin


what's happened here is the cm61 ng and the reciver box have lost there connection you will have to "rebind" them then it will be fine -




THE BINDING OPERATION DESCRIBED BELOW IS REQUIRED IF:

· Any of the system components (room unit or relay box) are replaced

· HC60NG has incorrect or no binding data stored (e.g. when pre-bound system pack components have been mismatched)

· Interference with the RF signal has caused a communication failure

During the binding procedure keep approximately 1m distance between the room unit and the HC60NG

1 Turn off mains supply to HC60NG for 10 seconds. Re-connect supply.

2 Press and hold the HC60NG push button for 15 seconds to reset previously stored data. The red LED will start to flash at 0.1 s on/0.9 s off. Release the push button.

3 Press and hold the HC60NG push button for 5 seconds to enter the binding mode. Red LED flashing at 0.5 s on/0.5 off confirms the binding mode has been entered.

4 Move the CM67NG slider to the OFF position (CM61 push the OFF button) and press the TEMP , TEMP and PROG 1 buttons together. The CM61/67NG will display InSt.

5 Press the i button to send the binding signal. The red LED is switched off on the receiver box to confirm the successful binding operation. If the red light still flashes push the repeat steps 1-3 and press the the i button until binding is successful.


hope this is helpful

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1 Answer

Installing a honeywell CM900 wireless programmable thermostat


the analog unit uses just two wires for heat. red - white. there is a heat anticipator setting that must match the burner current. check your programmable specs and follow instructions.

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