Lennox HSXA12-018

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