Lennox ComfortSense 7500

15
CBX25UH AND CBX25UHV DO NOT HAVE TERMINAL
STRIPS IN UNIT.
OUTDOOR SENSOR FOR OUTDOOR TEMP
DISPLOAY, OPTIONAL HUMIDIFIER DEW POINT
CONTROL, HEAT PUMP BALANCE POINTS AND
DUAL-FUEL BALANCE POINTS.
REMOVE DS-TO-Y1 JUMPER WHEN
DEHUMIDIFICATION D TERMINAL IS USED.
CUT ON-BOARD LINK FROM R-TO-O (W951
CLIPPABLE CONNECTION ON FURNACE / JUMPER
ON AIR HANDLER).
DO NOT CUT -ON-BOARD LINK FORM R-TO-O (W951
CLIPPABLE CONNECTION ON FURNACE / JUMPER
ON AIR HANDLER) WHEN IT IS USED FOR
CONDENSING UNIT APPLICATIONS.
CUT ON-BOARD LINK FORM DS-TO-R (W914
CLIPPABLE CONNECTION ON FURNACE / JUMPER
ON AIR HANDLER) WHEN DEHUMIDIFICAITON OR
HARMONY CONTROL IS USED.
WHEN 2-STAGE HEAT IS USED, THERMOSTAT IS
CONFIGURED FOR MULIT-STAGE HEAT, CONNECT
THERMOSTAT W2 TO AIR HANDLER W2 AND
REMOVE JUMPER BETWEEN R AND W2.
K183 DEHUMIDIFICATION RELAY KIT (26W62)
REQUIRED WHEN USING D-TO-DS TERMINALS
WITH CBX27 UNITS.
FOR 2-STAGE CUT ON-BOARD LINK FROM Y1-TO-Y2
(W915 CLIPPABLE CONNECTION ON FURNACE /
JUMPER ON AIR HANDLER).
FOR HUMIDIFIER, 48G95 OR EQUIVALENT
ISOLATION RELAY REQUIRED - 24VAC, 5VA MAX
CAN BE USED WITH ALL THERMOSTAT
APPLICATIONS.
NOTE: NOT ALL UNUSED TERMINALS ARE SHOWN
ON THE THERMOSTAT DIAGRAMS.
Figure 6. Key for Figures 7 through 11.