Ask Experts Questions for FREE Help !
Ask
    alero19's Avatar
    alero19 Posts: 1, Reputation: 1
    New Member
     
    #1

    Feb 5, 2010, 08:24 PM
    How do you wire an RTH221B thermostat?
    I am trying to replace my thermostat it is an RTH221B on a Carrier Central A/C, but I do not find the wire color codes on that unit, they use different colors on those wires.
    Thank you.
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
     
    #2

    Feb 5, 2010, 09:31 PM

    Tell us the way the old one wired up and the options of the new one.
    perand's Avatar
    perand Posts: 1, Reputation: 1
    New Member
     
    #3

    Jun 25, 2012, 09:55 AM
    The old thermostat terminal are G,F red wire - C grey wire- H orange wire- V white 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!

Thermostat installation Honeywell RTH221B [ 1 Answers ]

I bought a Honeywell RTH221B Thermostat to replace my the old 50's thermostat in my parents house. When I disconnected the old one, there were only two wires, not color-coded and no letters or number or anything on the device itself where each wire was connected. Where do these two wires connect...

Wiring a rth221b honeywell thermostat [ 1 Answers ]

I have the honeywell rth221b thermostat and coming out of the wall I have red white green yellow and a blue they all match the thermostat except for the blue wire not sure ware to put it the thermostat has a rh rc white green and a yellow ports

Install of Honeywell RTh221B thermostat [ 4 Answers ]

How do I install an Honeywell RTH221B thermostat?? I have a red, white and green wires on the old tthermostat. Where do the new terminals Y, G, Rh, Rc, and W connect to the old wires?? :)

Wire a honeywell thermostate RTH221B [ 1 Answers ]

I am trying to wire this into an RV My wire are 7.5 V-red, cool Yellow, Fur White, Fan Blue, Ground Green Where do these go on the honeywell. Thanks Allen

Wiring of a thermostat RTH221B Honeywell [ 3 Answers ]

Hi Folks, I have a basic Honneywell programmable electronic thermostat (Honeywell RTH221B) that I would like to use to replace the existing very basic and very old (turn knob type) thermostat in my apartment. I read the install manual but it doesn't tell me where to connect the existing wiring....


View more questions Search