Ask Experts Questions for FREE Help !
Ask
    levers's Avatar
    levers Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 8, 2010, 06:03 PM
    We are installing a new Honeywell programmable thermostat RTH 7400. There is not a pl
    There is not a place for the blue wire that was on our old thermostat. Where do we put it?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
    Uber Member
    		  
    #2

    Sep 8, 2010, 06:52 PM

    honeywell installation guide

    http://www.instructionsmanuals.com/u...RTH7000-fr.pdf

    That is your install and user guides.
    You could(while some one is at outside compressor unit) momentarily and deliberately touch the red to blue(at thermostat), if compressor kicks on, blue is your cooling wire.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Honeywell RTH 7400 ?temp. Diff. Setting [ 3 Answers ]

:cool: I installed a Honeywell RTH7400 therm. Today and my heatpump is continuesly cycling on, is there any way to change the temperature differential setting on this unit

Honeywell RTH 7400 Thermostat wiring for Heat Pump (Rheem) [ 2 Answers ]

I am trying to hook up a Honeywell RTH 7400 Tstat to the existing Rheem HVAC in my house. Currently using Rheem thermostat that came with the house (non-programmeable, using mercury tubes). Heating is provided by a heat pump as well as Natural gas furnace for aux heating (besides the air...

Honeywell rth 230B thermostat [ 1 Answers ]

Need part no. and location of dealer for replacement filters, as my filter light is on. Also need instructions on replacing.

Installing Honeywell RTH 230B [ 2 Answers ]

I know there have been multiple posts regarding this stat. I've collected them and have them as reference. I was hoping to do this right the first time rather than have to troubleshoot. The RTH230B is replacing an older Honeywell mercury stat that has 4 wires: W1-white G- green Rh-red...

View more questions Search