Lennox CBX40UHV Series User Manual

Page 13
CBX40UHV
FIELD WIRING
AIR HANDLER CONTROL COMES FROM FACTORY WITH A
METAL JUMPERS BETWEEN W1 TO W2 AND W2 TO W3.
R CONNECTION REQUIRED FOR AIR CONDITIONER UNIT WITH LSOM.
RESISTOR KIT (CAT # 47W97) IS REQUIRED WHEN CONNECTING THE
COMFORTSENSE 7000 WITH THE LSOM 2.
L CONNECTION WIRED ON UNITS WITH LSOM.
CUT ON-BOARD LINK R-DS WHEN DEHUMIDIFICATION TERMINAL IS USED.
CBX40UHV
COMFORTSENSET
7000
AIR CONDITIONER
UNIT
(TWO-STAGE)
RED
BROWN
YELLOW
BLUE
BLACK
1
1
2
2
3
3
R
W3
W2
W1
O
Y1
Y2
G
DS
C
R
H
W2
W1
O
L
Y1
Y2
G
D
B
C
Y1-Y2
2-STAGE
COMPR
R-O
HEAT
PUMP
R-DS
DEHUM
OR
HARMONY
CUT FOR OPTION
CUT ON-BOARD LINK Y1-Y2 FOR TWO-STAGE AC
DO NOT CUT ON-BOARD LINK R -O.
AIR HANDLER
CONTROL
IMPORTANT — USE CARE WHEN CUTTING LINKS TO
PREVENT DAMAGE TO CONTROL. SEE FIGURE 12,
CBX40UHV JUMP AND LINK GUIDE FOR FURTHER
DETAILS.
Figure 6. Field Wiring — Cooling Application (Non-Communicating)
CBX40UHV
HEAT PUMP UNIT
(TWO-STAGE)
X2658 OUTDOOR SENSOR IS REQUIRED FOR OUTDOOR
TEMPERATURE DISPLAY, DEW POINT CONTROL, HEAT PUMP AND
DUAL FUEL BALANCE POINTS.
COMFORTSENSET
7000
R
RR
W3
H
W2
W2
W1
W1 W1
O
OO
L
L
Y1
Y1
Y1
Y2Y2
G
G
CC
C
T
T
D
B
Y2
DS
O. D.
SENSOR
(X2658)
Y2
OUT
BL
1
1
CUT ON-BOARD LINK R -O.
CUT ON-BOARD LINK R-DS WHEN DEHUMIDIFICATION TERMINAL IS USED.
CUT ON-BOARD LINK Y1-Y2 FOR TWO-STAGE HP
2
2
3
3
FIELD PROVIDED JUMPER BETWEEN Y2 OUT BL ON HEAT PUMP
TO Y2 ON CBX40UHV.
CONNECTED ON UNIT WITH LSOM. RESISTOR KIT (CAT #
47W97) IS REQUIRED WHEN CONNECTING THE
COMFORTSENSE 7000 WITH THE LSOM 2.
Y1-Y2
2-STAGE
COMPR
R-O
HEAT
PUMP
R-DS
DEHUM
OR
HARMONY
CUT FOR OPTION
IMPORTANT — USE CARE WHEN CUTTING LINKS TO
PREVENT DAMAGE TO CONTROL. SEE FIGURE 12,
CBX40UHV JUMP AND LINK GUIDE FOR FURTHER
DETAILS.
Figure 7. Field Wiring — Heat Pump (Non-Communicating)

Lennox CBX40UHV Series Specifications

General

Brand	Lennox
Model	CBX40UHV Series
Category	Air Handlers
Language	English