US 11,781,782 B2
Indication of motor shaft rotation and controller location
Richard Gonchar, Burlington, CT (US); Robert Ellett, Dawsonville, GA (US); and Carlos Chamorro, Powder Springs, GA (US)
Assigned to CARRIER CORPORATION, Palm Beach Gardens, FL (US)
Filed by CARRIER CORPORATION, Palm Beach Gardens, FL (US)
Filed on Jun. 23, 2021, as Appl. No. 17/355,450.
Prior Publication US 2022/0415140 A1, Dec. 29, 2022
Int. Cl. F24F 13/14 (2006.01); F24F 11/52 (2018.01); G01M 99/00 (2011.01)
CPC F24F 13/1426 (2013.01) [F24F 11/52 (2018.01); G01M 99/008 (2013.01); F24F 2013/1433 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method for verifying operation of a variable air volume (VAV) equipment, the method comprising:
operating, by a controller, a motor having a motor shaft coupled to the VAV equipment in one of a plurality of modes;
controlling, by the controller, a direction of rotation of the motor shaft coupled to the VAV equipment; and
providing, by the controller, an indication of the direction of rotation of the motor shaft coupled to the VAV equipment;
wherein the indication is provided by a circular LED array, wherein the circular LED array is illuminated and rotated in the direction of the motor shaft.