Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater

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Honeywell TH5220D-1029 Digital Non-Programmable Thermostat

I have the above mentioned thermostat in my new home. It is not currently set to allow the Auto Changeover feature and I would like to program it in order to allow this. I know how to get into the programming mode but, I need to know what feature to set to what value. Thanks!! :-)

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SOURCE: Honeywell RTH230B

This my situation exactly.  Changing from a 6 wire manual round Honeywell thermostat to a 5 wire Honeywell programable.  Is there a way to maintain all functions?

Posted on Nov 25, 2008

  • 96 Answers

SOURCE: Thermostat auto-changeover mode unavailable

when you programed it did you go through all the setup #1-0 ,#3-0 ,#5-5 ,#12-1

Posted on Nov 25, 2008

  • 3433 Answers

SOURCE: is the installation of a Honeywell digital round

yes,w is heat
red- is power
y is cooling

Posted on Oct 13, 2009

  • 48 Answers

SOURCE: I want to turn off

You only need to turn it off if you are using program mode. Very nice stat btw. Heres a link to the pdf and I will also explain. Use the system select button so that the heat option is flashing. Look at the bottom of the screen and you will see 7 boxes. First one done and seventh one cancel with all boxes in between blank. Now at the same time hold the 3rd and 5th box (buttons) for approx 5 sec. A new screen will appear with a number sytem staring at 0120 with up or down arrows and 20 with up or down arrows. Push the left up arrow till the left number reads 0530. The right number will read 1 if its on. To turn it off select the down arrow so it reads 0. Then select done and your all set.

Posted on Feb 26, 2011

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Need to know correct color wiring from goodman model gph1330h41 with heat kit to honeywell model th5220d thermostat. Thanks

here is the wiring from man. f you have trouble figuring out the programing or what terminals to use in thermostat there is an help phone number. Be shure to turn off all power to unit and thermostat, remove batteries from thermostat.


May 12, 2014 | Honeywell Electronic Programmable...


Programmable Honeywell

A Programmable Honeywell Thermostat is a great investment for you to make for your heating and cooling system. A Honeywell Thermostat will provide you with the best in comfort and dependability for many years.

Many people when they think of Honeywell Thermostats think of the old round T87 thermostat that has been one of the most common thermostats for years and years.


Today they have those thermostats in designer colors and they are still made and used in many situations. But the manual thermostat is quickly becoming a thing of the past. With the rising costs of fuel the Programmable Honeywell Thermostat is becoming more and more popular. Programmable Thermostat Honeywell is even one of the most popular searches when it comes to thermostats.


The VisionPro thermostat line has quickly become one of the leading digital programmable thermostats on the market to today. The ease of programming this thermostat and the touch screen interface has made it a very popular choice for many people. There is a variation of this thermostat for virtually any possibility that you can think of. The FocusPro line also is a very good choice at a bit less cost. There is a basic Pro line and also even a digital thermostat in the traditional round configuration. Both digital programmable and basic digital thermostats are available for line voltage control of electric heating.


Along with the thermostats you now are able to add remote outdoor sensors as well as install you thermostat in a remote place and run a sensor to the space you are controlling. For many years these capabilities were standard for commercial thermostats, but now they are a very real possibility for home use also. With an outdoor sensor these thermostats now have the capability to turn off your heat pump and start you backup heat a certain preset out door temperature. In the past many systems have been installed with complicated electronic to do what a thermostat can do very easily.

The Programmable Honeywell Thermostat has come a long ways in the past few years. The changes have made this thermostat capable of doing many unbelievable things. If you are looking to replace your old thermostat, carefully compare the many thermostats on the market and then pick the one that will meet your needs the best. For many the Honeywell digital thermostat will be the best choice, giving them great flexibility and reliability in one thermostat.

on Jan 15, 2010 | Heaters

1 Answer

Honeywell programmable thermostat - was installed per instructions in manual and now the furnace runs non-stop unless I move switch to "off." The old (round mercury switch) thermostat was wired red t

If you are unsure about which wire goes where, that may be the source of your problem. The color coding can be confusing when changing from old to new. I pulled the instructions for my Honeywell CT3400A thermostat and found you can call Honeywell Consumer Services at 1-800-468-1502 M-F 7:30 am to 5 pm CT

Mar 11, 2013 | Heaters

1 Answer

Can i use th5320u1001 on 2 stage compressor and 1 stage heat? tom roll , abe service company , bowling green,ky

Yes, that t-stat has that capability...

If you need the manual to get it set up then check out this tip...

Manual Honeywell How to Find Honeywell Manuals


Sep 15, 2010 | Honeywell Electronic Programmable...

1 Answer

I have 2 Honeywell TH5220D thermostats installed in my house & want to replace 1 with Honeywell TH6220D 1028. The wiring on the existing thermostats is as follows (a jumper wire from Y2 to W2,1 wire...

Go to
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.

Apr 06, 2010 | Honeywell Electronic Programmable...

1 Answer

Six wire hook up and new thermostat has only 5

Some thermostats have an extra terminal for an outdoor sensor which tries to anticipate the need for heating or cooling. If this option is not present, you will have an unused terminal which may have a shorting link to a neighboring terminal. Your installation instructions should mention this if the option is or is not included with your model. Also, heat pump systems vary in the system control voltage and not all thermostats and systems are compatible with the more common split system thermostat.

Oct 01, 2009 | Honeywell Electronic Programmable...

1 Answer

Switching thermostats

The two wires are the control circuit from the heater your running. They go to the thermostat and close when it get below the thermo. setting and start the heater.

Jun 28, 2009 | Honeywell Electronic Programmable...

1 Answer

Replacing analog thermostat with digital

alot of those gas fireplaces work on what is called powerpyle or 750 mv if your old thermastat has a ts in model then you would need tstat that works with millivolt systems

May 04, 2009 | Honeywell Electronic Programmable...

1 Answer

Replacing Round Honewell Mercury Thermostat

try to get one that is made for oil heat, the installation is easy only two wires, and the instructions make it easy.

Oct 23, 2008 | Honeywell Electronic Programmable...

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