Bryant TSTATBBNQ001 User's Information Manual page 15

Sample Wiring Diagrams
3 Wire, 1 Stage Heat
POWER
FAN
GAS OR
ELECTRIC HEAT
W
Y
B
O
G
R
Page 14
Residential Gas or Electric Heat units
with a separately controlled fan.
3 Conductor 18 to 22 gauge
unshielded cable from the
thermostat to the equipment.