Lennox CBX40UHV Series - Blower Motor Troubleshooting

Page 21
CBX40UHV
J48 5 Pin Line Voltage Connector
J49 4 Pin Control Connector
P48 5 Pin
P49 4 Pin
P48 (5−PIN)
P49 (4−PIN)
CONTROL MODULE
MOTOR
Figure 20. Indoor Blower Motor (B3) Control Connections (Emerson)
P49 4 Pin
P48 (5−PIN)
HARNESS
P49 (4−PIN) HARNESS
CONTROL MODULE
MOTOR
120v
0
230v
5
4
3
2
1
J48 Connector
P48 (5−PIN)
HARNESS
Figure 21. J48 Test (Emerson)