McNile Tech 21s Connected To A Ryko Slimline Panel ???

[BlueWash307]

Hi Guy's My Local Car Wash Has McNeil Tech 21 Dryers I Was Wonderimg Why Is It Connectd To A Slimline Dyer Panel
??

 

[DiamondWash]

They are utilizing the motor starter contacts in the existing Ryko box instead of buying a new one.