Lennox Elite EL18XCV Series - Page 15

Page 15
Communicating
Indoor Unit
S30 Smart Hub
C
i+
i-
R
HD Display
Subbase or
Mag-Mount
-
COMMBUS
A B
ACC1 ACC2
EL18XCV
Outdoor Unit
EL18XCV
RAST 6-Pin
Connectors
OATS (Optional)
DATS (Optional)
+
B
A
+
-
TST
DS
O
Y1
Y2
L
W
DF
Indoor Control
Single Wire To
C Terminal
Unused Wires
Unused Wires
Single Wire To C Terminal
PROVIDED RAST
6-PIN CONNECTOR
INDOOR CONTROL
FIGURE 13. EL18XCV with S30 Communicating Thermostat – Field Wiring Diagram