23 Configuration and Operation
© 2020 MacroAir Technologies Toll Free: 866 668 3247 Fax: 909 890 2313 www.macroairfans.com
Controller 4 Operation Manual 90-30027-00 Rev A-01 Date: 032720
Mkey (present for certain fan models)
The Mkey page prevents unauthorized users from accessing advanced settings on the fan that
could potentially cause damage if misused. For access to advanced settings, please call Technical
Support at 866-668-3247.
Mkey: Displays a code that needs to be relayed to technical Support for a password. This code is
constantly changing, so you must be in front of the screen when on the phone with MacroAir.
Number pad: Technical support will issue you with a 4-digit number once you provide the Mkey.
The 4-digit code can be typed in using the number pad.
Left Arrow: Takes you to the Address page.
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