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Installing new outside unit and air handler


armstrongair

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Posted

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

Tstat connections.doc

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Posted

What's the Brand / Model of the old & new t'stats ?

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