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    Satellite13579's Avatar
    Satellite13579 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Mar 7, 2009, 08:36 PM
    Honeywell RLV4300 themostat
    I have bought Honeywell digital RLV4300 Thermostat from Homedepot, and want to replace old analog one. I found there is only 2 wire (both are black) out from RLV4300, but there are 4~5 colored wires from old thermostat. Want to know how to connect the wires. Thank you for help.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Mar 8, 2009, 04:42 AM
    Will not work with a 24 volt system for use on 220/240 systems

    http://customer.honeywell.com/techli...0s/67-5166.pdf
    ShelleyMcDermot's Avatar
    ShelleyMcDermot Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Mar 22, 2009, 05:31 PM
    Actually the method for wiring this thermostat is this...

    There are two wires coming off the thermostat... neither is polarized so the wires you connect to it (hot, or not) aren't affected...

    Take your two "white" wires and merit them together.. that provided continuance to the radiator, take one black and connect to the black on the thermostat and the second black to the other black on the thermostat...

    You have heat.

    Cheers:D
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #4

    Mar 22, 2009, 06:11 PM
    Quote Originally Posted by ShelleyMcDermot View Post
    Actually the method for wiring this thermostat is this....

    there are two wires coming off the thermostat... neither is polarized so the wires you connect to it (hot, or not) aren't affected....

    take your two "white" wires and merit them together.. that provided continuance to the radiator, take one black and connect to the black on the thermostat and the second black to the other black on the thermostat...

    you have heat.

    Cheers:D

    So confused,yes I am. Here's the answer, but where is the question?
    ShelleyMcDermot's Avatar
    ShelleyMcDermot Posts: 2, Reputation: 1
    New Member
    		  
    #5

    Mar 23, 2009, 03:50 AM
    Quote Originally Posted by Satellite13579 View Post
    I have bought Honeywell digital RLV4300 Thermostat from Homedepot, and want to replace old analog one. I found there is only 2 wire (both are black) out from RLV4300, but there are 4~5 colored wires from old thermostat. Want to know how to connect the wires. Thank you for help.
    There's the question...
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