Lennox Allied Air Enterprise A97DSMV Installation Instructions Manual page 34

Figure 47. Comfort Sync A3 with Communicating Indoor and Outdoor Units
Figure 48. Comfort Sync A3, Communicating Air Handler with 24VAC 1 or 2-Stage Heat Pump
Page 34 of 73
DATS (Optional)
OATS (Optional)
C
i-
i+
R
HD
Smart Hub
Display
Subbase
DATS (Optional)
Smart Hub
HD
Display
Subbase
Communicating
Indoor Unit
OATS (Optional)
SETUP NOTES:
CUT Y1-Y2 ON-BOARD
MUNICATING)
CUT R-O ON-BOARD LINK
FOR OUTDOOR HEAT
MUNICATING)
Communicating
Air Handler Unit
24VAC 1- or 2-Stage
Issue 2241
Communicating
Outdoor Unit
Heat Pump
507029-05