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Installing new outside unit and air handler  Rate Topic 
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 Posted: Sun Nov 2nd, 2008 09:14 pm
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armstrongair
Senior Apprentice Appliantologist
 

Joined: Sun Nov 2nd, 2008
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Hello, I have an older Tstat with the following connections

                       R  -   has red wire on it

                       G  -   has green wire

                       W1 -  has white wire

                       X    - not used

                       E    -  jumpered to W2

                       W2 -  has orange and black (two wires) on it

                        C  -   has blue wire

                        Y1  -  has yellow wire

                              -   brown wire, not used

I'm connecting to new units that show this example:

   T stat    R ---------- R   Air handler---- Heat Pump ----- R

                G ----------G

                C ----------C-----------------------------------------C

                W----------W1--------------------------------------- W1

                E jumpered to W

My problem is (1) old  Tstat has W2 and E jumpered not W and e.

                       (2) I don't have a O on the old Tstat 

 I know this is confusing, I going to try and sent an Attachment

jumpered to W1----- W2

                O-------------------------------------------------------O

               Y---------------------------------------------------------Y




Attachment: Tstat connections.doc (Downloaded 3 times)

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 Posted: Mon Nov 3rd, 2008 12:05 am
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RegUS_PatOff
Fellow, Academy of Sublime Masters of Appliantology


Joined: Sat Sep 24th, 2005
Location: Milwaukee, Wisconsin USA
Posts: 16509
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What's the Brand / Model of the old & new t'stats ?



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