4.4.1 Systems that normally operate above 300F (150C) but cycle to temperatures to temperatures below 200F (95C) for periods greater than 24 hours in a week are to be considered Cyclic Service systems.
4.4.2 Systems that normally operate above 250F (120C) but are shut down for periods greater than 60 days per year are considered Cyclic Service systems.
4.4.3 For systems that qualify as Cyclic Service, only Cyclic Service paint systems should be selected.