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Air comes on when honeywell thermostat is off

Had the air turned on, the it cooled off so we turned it off; however the air is still running. Why is this happening and what can I do to fix it?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

ACTECH
  • 80 Answers

SOURCE: Replaced thermostat on FA4ANF030 with Honeywell model rth3100c does not work

if you have a newer t-stat your heat pump reversing valve is either o or b depending on the type of system you have

Posted on Dec 19, 2007

  • 1 Answer

SOURCE: Honeywell Thermostat RTH 7500

Assumed all the wiring are correct,

to change from manual switching from heat to cool, press [system] button ( left ) to go into system setting.

then press and hold the [fan] middle button untill option display 120

use up down button to select option 300 ( Manual/Autochangeover) ,

select 0 for manual, 1 for automatic. ( read caution in page 22 of installation manual )

Good luck

Posted on Oct 14, 2008

benmartinez
  • 1 Answer

SOURCE: Heat pump that just blows cool air

I have a Honeywell heater i'll set my thermostat to 76 and ill turn on the heater and it would turn on... but when it get to 76 it turns off so when the temperature drops down and the heater clicks back on all i get is cold air .. it only works on the 1st time what to do ?

Posted on Dec 24, 2008

  • 587 Answers

SOURCE: how does one set a Honeywell ultrastat thermostat

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.

Posted on May 11, 2010

SOURCE: my honeywell heater thermostat is only blowing

the wiring for thermostats are color coded. R(red)power, Y(yellow)cooling, G(green)common, W(white)heating. O(orange), E(emergency)heat. Make sure that you have the right thermostat because there is an air condition thermostat and there is a heatpump thermostat and they wire up differently.

Posted on Nov 27, 2010

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