Lux Products Smart Temp TX9100U Installation And Operating Instructions Manual page 11

4, 5 WIRES
1-STAGE HEATING AND 1-STAGE COOLING
Factory RH-RC Jumper Wire Installed
G Y1 RC
G Y
F Y1
6
AIR
FAN
CONDITIONER
NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRAY TERMINAL LETTERS ARE BRAND SPECIFIC
CONVENTIONAL (NON HEAT PUMP)
RH W1 A
R W
RH W1
RC 4
V
SYSTEM COMMON
SYSTEM 24V
TRANSFORMER
Y2 O B
HEATER
#4
W2 C
C
X
B*
O
P
T
I
O
N
A
L