Trane A5AC5018A Installation And Operation Manual page 13

2 Stage AC Thermostat
AUX 1
AUX 2
24VAC HOT
COMMON
SOV
COOLING
FAN
HEATING
ODT
RS
88-A5AC5001-1A-EN
AUX 1
AUX 1
AUX 2
INDOOR UNIT
AUX 2
RC
RH
B/C
O
Y1
Y2
G
BK
W1
W2
W3
ODT
ODT
RS1
RS1
OUTDOOR UNIT
R
B/C
B
O
Y1/YIo
Y
Y/Y2
G
BK
W1
W2
13