Carrier 59MN7B Installation, Start-Up, Operating And Service And Maintenance Instructions page 96

signal disappears and the Y1 input is still energized the furnace
control CPU will transition the blower motor BLWM to
low-cooling airflow. If both the Y1 and Y/Y2 signals disappear at
the same time, the blower motor BLWM will remain on at
minimum-heat airflow for the selected blower-OFF delay period.
At the end of the blower-OFF delay, the blower motor BLWM will
shut OFF unless G is still energized, in which case the blower
motor BLWM will operate at continuous blower airflow.
Component Self Test
Refer to page 80 for instructions.
Fig. 72 - - Wiring Diagram
96
338307--- 201 REV. L
A190031