Lennox Signature XC17 Installation Instructions Manual page 45

FAN MOTOR CONTROL
PULSE−WIDTH MODULATION (PWM)
CONTROL PANEL
MAIN CONTROL
COM
BLACK WIRE
TO MAIN CONTROL
EXT PWR/R
YELLOW WIRE
GREEN
GREEN
YELLOW
YELLOW
RED
RED
RED
BLACK
RED
BROWN
BLACK
BLUE
YELLOW
BLACK
YELLOW
PWM FAN
YELLOW BLACK
CONTROL
SEE TABLE 11 FOR CFM PROFILE SELECTION OPTIONS.
Figure 24. Testing for External Power to Fan Control
Page 45
XC17 SERIES
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