Trane TZEMT400AB32MAA User Manual page 5

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Review the wiring chart information.
a. Find the chart below that has your correct System Type.
b. On the chart, fi nd the Thermostat Brand that matches your existing thermostat.
c. Compare your Wire Labels to the chart and identify which ones you have (it may only have some of the ones shown).
d. Look at the New Thermostat Terminals row at the bottom of the chart to see what your wires connect to.
System Type - Gas or Electric
(Single Stage & Multistage)
Themostat Brand
Carrier/Bryant
Coleman
Comfortmaker
Heil-Quaker
Honeywell, Robert Shaw, White Rogers
Lennox CB19
Lennox HP19/20
Lennox HP21 + CB21
Lennox HP22 + CB19
Payne
Rheem/Ruud
Trane/American Standard (Weathertron)
York
New Thermostat Terminals
System Type - Heat Pump
(Single Stage & Multistage)
Themostat Brand
Carrier/Bryant
Coleman
Comfortmaker
Heil-Quaker
Honeywell, Robert Shaw, White Rogers
Lennox CB19
Lennox HP19/20
Lennox HP21 + CB21
Lennox HP22 + CB19
Payne
Rheem/Ruud
Trane/American Standard (Weathertron)
York
New Thermostat Terminals
* If you have any of the following pairs of terminals (E & W1, E & W2, E & Y, X2 & W), connect both wires to "W1"
Wire Labels
C
X
C
C
C
C
X
X
X
C
X
B
B
Connects to
24COM
Wire Labels
C
X
C
C
C
C
X
X
X
C
X
B
B
Connects to
24COM
Multistage Heating
R W or W1
R W or W1
R W or W1
R W or W1
R W or W1
R W or W1
R W or W1
R W or W1
R W or W1
R W or W1
R W or W1
R W or W1
R W or W1
24RC 24RH W1
Change Over
R *E & W2
R *E & W2
R W1
R W1
RC R E & W
R *E & W1
V/VR *E & Y
R/VR *E & W1
R/VR *E & Y
R *E & W2
R *E & W2
R *X2 & W
R W
24RC 24RH W1
Multistage Cooling
(Stage 2) (Stage 2)
W2 G Y or Y1
W2 G Y or Y1
W2 G Y or Y1
W2 G Y or Y1
W2 G Y or Y1
W2 G Y or Y1
W2 F M
W2 F Y or Y1
W2 F M
W2 G Y or Y1
W2 G Y or Y1
W2 G Y or Y1
W2 G Y or Y1
W2/O G Y1
Multistage Compressor
Valve
(Stage 2)
O G Y or Y1
B G Y or Y1
O G Y or Y1
O G Y or Y1
O/B G Y or Y1
O G Y or Y1
R F M
O F Y or Y1
R F M
O G Y or Y1
B G Y or Y1
O G Y or Y1
O G Y or Y1
W2/O G Y1
Y2 L
Y2 L
Y2 X/W2
Y2 W2
Y2 L
Y2 L
Y2 L
Y2 L
Y2 L/W3
Y2 L
Y2 T/F
Y2 X
Y2 Not used
Y2 L
Y2 L
Y2 X/W2
Y2 W2
Y2 L
Y2 L
Y2 L
Y2 L
Y2 L/W3
Y2 L
Y2 T/F
Y2 X
Y2 Not used
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