THE SYSTEM OF FEED OF KETTLE
A, Is the air ‘‘on off’’ system for the per bottle. and it is open this time in picture. and it will work with computer box. and it will open for some moments to the air supply in bottle pipe. B, it is off this time in the picture. or as you click the Coffee option on own computer then D computer box will open this pin. C, it is main pipe of air. and it is connected with air compressure. D, it is computer box which is connected with yours computer. E, it is air pipe for air supply in the main pipe. F, it is small air compressure for make the air. and it is all possible to do. and you can do it.