When the temperature reaches a preset value, and can be scheduled to run. I press the number 1 and number 2, it will suck air from the hopper to the plastic injection molding machines.
When the temperature reaches the set value, and bake according to the given time it can work at all by pressing button no. 1 and no. 2, it would suck from the HOPPER to the plastic injection molding machine.
When the temperature of the oven to create a row, and has been the set time, it can be run by pressing the number 1 and number 2, it will suck the plastic from HOPPER to jets.