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Old 08-11-2013, 10:49 AM   #1
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Trane XR12 Heat Pump Condenser Unit Hookup


I am mating it to existing air handler. Just need to verify the correct reconnect wire sequence to newer unit.

Old Unit board/wire


G Green
E Black
W1 Light Tan brown
W2
W3 Red
R Yellow
Y Pink/light orange
C Blue

New Unit Wire

Orange
Blue
Yellow
Black
Red
Brown

Double Yellow with connector

Old

New


Last edited by cbrf1wr; 08-11-2013 at 02:20 PM. Reason: Colors Mixed Up.
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Old 08-11-2013, 06:56 PM   #2
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Trane XR12 Heat Pump Condenser Unit Hookup


Would need to know what the wires are coming from, on the new unit.

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Old 08-11-2013, 08:15 PM   #3
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Trane XR12 Heat Pump Condenser Unit Hookup


Wiring Diagram
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Old 08-11-2013, 09:01 PM   #4
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Trane XR12 Heat Pump Condenser Unit Hookup


Red (R) 24VAC hot
Blue( B/C) = 24VAC common
Orange (O)= reversing valve with cooling
Black (X2) = aux heat
Brown (T) = ODT (not used unless a Trane thermostat with a T terminal)
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