Lennox 10ACC-018 User Manual page 6

Thermostat
power
R
heat
W1
cooling
Y
indoor blower
G
common
C
NOTE − If the indoor unit is not equipped with blower relay. It must be field−provided and installed (P−8−3251 or equivalent).
Typical Wiring Field Wiring Diagram
*
*
*
Figure 2
Thermostat Designations
Indoor Unit
R
W
Y
G
C
Figure 3
Page 4
*May be optional
NOTE − see unit wiring diagram for
power supply connections.
Outdoor Unit
Y1 Outdoor Unit
C Outdoor Unit