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I have amanual honey well and I want to change it to a programable honeywell but the two wires on the manual thermostat are not labeled, so I don't know where to connect the wires to in the new thermostat

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Wires for thermostat control circuits are normally color coded. Check for proper connections at the furnace and connect the same colored wires that you find at the furnace to the like lettered terminals on the new thermostat. R to R, W to W , Y to Y , ans G to G. R is for power to the thermostat, W is for heating, Y is for cooling and G is for furnace fan operation.

Posted on Nov 15, 2008

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Posted on Jan 02, 2017

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Honeywell RTH7500D Thermostat


This Honeywell thermostat is a good medium priced thermostat that will give you many bells and whistles at a very good price. The programming is very easy to do and of course the thermostat is very reliable also.

4351a52.jpg

The installation of this thermostat is very easy and if you need help with the installation you can go here to see the complete installation guide.

http://customer.honeywell.com/techlit/pdf/PackedLit/69-2221ES.pdf

If you have lost your owners manual and need a copy of it you can go here

http://customer.honeywell.com/techlit/pdf/PackedLit/69-2222ES.pdf

With the help of these .pdf files you can get all the information that you need to install and troubleshoot your RTH7500D thermostat.
If you are replacing a thermostat make sure that you turn off power to your heating or air conditioning system BEFORE you start removing any wires. Failure to do so could cause you to burn out the 24v transformer of your system. Also make sure to mark all wires well before removal so that you know which wire went where and so that you can reinstall the old thermostat as it was if something goes wrong with the new installation.

For heat pump systems you WILL have to make some programming changes to the thermostat to get it to work with a heat pump system. Most all thermostats come programmed for conventional systems. This reprogramming is not difficult but is required for proper operation.

http://www.fixya.com/support/r3623083-thermostat_wiring_terminal_designations

http://www.fixya.com/support/r3892721-programmable_honeywell

http://www.fixya.com/support/r3894275-manual_honeywell_find_honeywell_manuals

on Jan 16, 2010 | Heating & Cooling

1 Answer

RTH3100C thermostat for an older Lennox heat pump


well the wire on x will go to e thr r is the red wire goes to r the wire on f willgo to g the y will go to y now the rest you'll have to verfy at air handler o will go to reversing valve common wire will go to c the electric heat will go to aux

Feb 06, 2014 | Honeywell RTH3100C - Digital Heat Pump...

1 Answer

Hi I have a hb2400vd2m20 air handler and need to know what wires are needed to hook up to my thermostat its a Honeywell, as of the moment there is no heat pump it just the air handler running. I know there...


Honeywell 5000, 8000, 8000 iaq, prestige, round dial analog, digital Honeywell redlink. 1 heat 1 cool thermostat 3 heat 2 cool thermostat. does the stat u have do conventional a/c and heat pump. red wire is hot wire 24 volts not heating its your 24 volt control power. this will be r on your board and t-stat and red wire. y is for cooling mode and is yellow and will be noted y on both board and t stat. green is fan on the indoor furnace and will be g on board and t-stat and the wire is green. blue is the common side of the transformer labeled b on both board and t-stat. I did not see brown on your schematic I looked up I seen orange which is your reversing valve wire for the heat pump whether its calling for cooling or heat this is what changes the flow of Freon to make it to the indoor coil as warm Freon or cold when called for in heat or cool. the thermostat if a vision pro 8000 needs to be programmed in the installer mode which if this is the t-stat u have u need to read through the heat pump section. the green hooked to the orange doesn't look right on the print but that's the breakdown. http://www.manualslib.com/manual/277678/Haier-Hb2400vd2m20.html?page=11#manual heres your schematic

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We had a Honey Thermostat model # TH4110D1007 installed in our house, our technician did not leave an instruction manual with it and we don't know how to run it, can we get a website to download a...


yes just go to honeywell site. The address is inside the thermostat. Just pull the front part of the thermostat off and read the lable inside. Hope this helps.

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I need help installing a honey well thermostat model#rth3100c1002


Just follow the instruction as per in pdf format as follows:

customer.honeywell.com/techlit/pdf/60-0000s/60-0830.pdf -

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Replacing thermostat: tstatccshp01 with th8320u1008


Hook up o to o/b, then in the installation programming set the change over valve to energize in cool. Then hook up w to aux. Good luck.

Jan 21, 2009 | Heating & Cooling

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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

Sep 30, 2008 | Heating & Cooling

1 Answer

Manual Thermostat replcaement with Programmable Digital unit.


Hopefully there are markings on the old t-stat as to what terminal is what.
on the honeywell 8000 use the heat pump labeling and then the standard wiring would be
R- red
AUX-white
Y- yellow
B- O/B
C- black
G- green
There should not be a bare wire, it probably just has the insulation stripped back way too far.
You should probably open the furnace and compare the terminal label in the furnace to the wire color. normally yellow and blue pass through the furnace and are wire nutted to wires going to the outdoor unit. In the furnace the white wire will connect to the w or w1 terminal. also, you will need to set the Honeywell stat to have the following parameters.
170-7
190-1
200-0
other parameters that I did not specify, you may read the manual and make your own decision but I recommend factory settings for the other parameters

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