Do you have a question about the Air King 9420 and is the answer not in the manual?
Always unplug the power cord before installing, servicing, or moving the fan. Do not rely on the on-off switch alone.
Use the three-prong plug in a matching receptacle. Do not use adapters. Improper connection can cause electrocution.
Do not remove, replace, repair, or tamper with the original plug. Contact service if it malfunctions.
Do not operate a fan with a damaged cord or plug. Return for service or repair.
Never insert fingers or objects into openings. Do not block or tamper with the fan during operation.
Do not use this fan with any solid state speed control devices to reduce fire or shock risk.