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g4. _____ Explain how to adjust booth pressure set point g5. _____ Explain the difference between “Winter” and “Summer” mode and when to select which g5a. _____ Summer mode means the fans run with the burner off. The unit cannot cool the air coming in from outside the building. If the outdoor air is 95F, then the air coming into the booth will be 95F. If that condition, the burner is not needed, so Summer mode should be selected. Summer mode only disables the burner during spray mode; when a cure cycle is started the burner will automatically ignite. g5b. _____ Winter mode means the burner will ignite when the fans are running. If the outdoor temperature is 50F, then the burner is most likely needed, so Winter mode should be selected. g6. _____ Explain the concept of a recipe g6a. _____ Spray Mode – when the operators are painting g6b. _____ Flash Mode – after the paint is applied, some coatings need a period of time to “flash off” before going to a high temperature. (See spec sheet of coating for info). g6c. _____ Cure 1 Mode – after the flash off delay, the booth can go to a higher temperature set point to bake the paint. g6d. _____ Cure 2 Mode – some applications require a 2 nd temperature set point so that the paint can be brought up to temperature more slowly. Use cure 2 for a 2 nd higher set point if needed. g6e. _____ Cool Mode – after the high temperature cool cycle, the booth is brought back down to ambient temperature to allow the product to cool. g7. _____ Explain how to set up a recipe. This is a good opportunity to allow an operator to start using the buttons and get familiar with the controller (allow an operator to input the values needed for their specific recipe set points). g7a. Set recipe A g7b. set spray temp to their desired set point g7c. set flash temp to their required temperature set point as found in their paint spec sheet g7d. set flash seconds to the amount of time required for their paint to flash as found in their paint spec sheet. g7e. set cure 1 temp to their required temperature set point as found in their paint spec sheet g7f. set cure 1 minutes to the amount of time required for their paint to cure as found in their paint spec sheet.
g7g. set cure 2 temp if needed g7h. set cure 2 minutes if needed
g7i. set cool temp to their desired temperature set point g7j. set cool seconds to their desired amount of cool time
g8. _____ Explain that there are 3 other available recipes that they can set up if desired. g9. _____ Ensure booth doors are closed and then have the operator press the start button g9a. _____ Explain that there is a delay as the damper for the AMU must be proven open before the fans can run. g9b. _____ Explain how when the fans turn on, the booth pressure will fluctuate as the controls begin to sense and adjust to the booth pressure. g9c. _____ set the system for “Winter” mode and show the icon that illuminates when the burner has ignited, and how the discharge temperature increases. g10. _____ set the unit for recipe D (short cycle) and allow the booth to go through a short cure cycle, explaining each step as it occurs.
g10a. _____ flash temp & time g10b. _____ cure 1 temp & time g10c. _____ cure 2 temp & time g10d. _____ cool temp & time g10e. _____ booth shutdown
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