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

    Oct 30, 2007, 07:09 AM
    Honeywell programmable thermostat #RTH230B
    How do I place the wiring with 2 wires-- one black and one yellow?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Oct 30, 2007, 04:29 PM
    R and W. for heat only
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
    Uber Member
    		  
    #3

    Oct 30, 2007, 08:28 PM
    More likely RH and W.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Oct 30, 2007, 11:03 PM
    labman is probably correct. I usually end up tying the two R legs with a jumper because of the AC and same transformer. That tells you how long it has been since I wired up for heat only.
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 rth230b thermostat [ 2 Answers ]

I have 5 wires, white,yellow,red,green,and brown. I know that I match y to y, g to g, w to w, but where does the red and brown go?

Honeywell Thermostat RTH230B [ 1 Answers ]

I bought a simple 5/2 programmable thermostat from Home Depot. Does anyone know how to set the temperature to vacation HOLD on this unit?

Honeywell RTH230B Thermostat [ 1 Answers ]

I recently installed Honeywell #RTH230B thermostat to replace and old Honeywell # T87F( old round non digitital type). I have oil burner with basebaord water heat. Since my olf thermostat was 2 wire only and I have no AC I pulled the jumper wire between Rh and Rc as per the instructions. Thj9is...

Honeywell Thermostat RTH230B [ 4 Answers ]

I see there are a few questions on this one, but mine seems simple. I have Red, Yellow, Green and White leads from the old Thermostat. I have no idea where to place the leads, in the channels under the screws or the channels on top. My leads do not reach from out of the wall to go under, and if it...

Honeywell Thermostat RTH230B [ 14 Answers ]

I have 6 wires to connect. The colors are as follows: W, Y, G, B, O, and R. The thermostat calls for W, G, Y, Rc, and Rh. Where do I plug in the R and what do I do with the B and O? Any help would be greatly appreciated. Thank you

View more questions Search