Lennox ComfortSense 7000 Series Programming And Application Manual page 23

Appendix A. Flow Diagrams and Wiring Diagrams
Wiring Diagrams
Thermostat wiring connections with various units, including dual fuel, zone control, and applications that include the Humidi-
®
trol Enhanced Dehumidification Accessory (EDA). See figures 18, 20 and 21. For whole home dehumidifier, refer to the
installation instruction for the dehumidifier.
Figure 17. Enhanced Dehumidification Accessory Typical Wiring Diagram
RED
NOTE − SEE EDA INSTALLATION
INSTRUCTIONS FOR FAN
CONTACT WIRING
PUR
BLK
FAN RELAY
YEL
BLU
BLK
BRN
TYPICAL
2−STAGE
OUTDOOR UNIT
Figure 18. Enhanced Dehumidification Accessory Typical Wiring Diagram
Figure 19. CBX40UHV
Wiring Diagrams
RED
BLK
NOTE − FAN
PUR
RELAY NOT
REQUIRED WITH
SINGLE-SPEED
OUTDOOR FAN
NOT REQUIRED FOR SINGLE STAGE
NOT REQUIRED FOR APPLICATIONS WITHOUT LSOM
Figure 20. CBX40UHV Wiring Diagrams
(continued)
EDA UNIT
TYPICAL INDOOR
UNIT; SEE
SPECIFIC MODEL
FOR ACTUAL
TERMINAL
LAYOUT
Page 23
OUTDOOR
SENSOR
(X2658)
REMOVE Y1 TO DS OR R TO
DS JUMPER IN INDOOR UNIT
FOR HUMIDITROL
APPLICATION
Y1 Y2 JUMPER (OR
ON−BOARD CLIPPABLE
LINK) − IN FOR SINGLE−
STAGE COOLING;
REMOVED FOR 2−STAGE
COOLING
L7742U
THERMOSTAT
ComfortSenset Touch Screen Thermostat