AC Infinity CLOUDLINE S4 User Manual page 32

COMPATIBILITY
CONTROLLER 69
The CONTROLLER 69 is compatible with AC Infinity fan models that contain EC-motors. An EC-motor
fan will have two cords coming out of its motor box for the power and the controller. Note that certain
models that previously used DC-motors now contain EC-motors in updated builds.
AC or DC - NOT Compatible
EC Motor - Compatible
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