... exhaust air systems 3 units1 unit, 2x7.5KW double-intake centrifugal fans for intake air, model YDW5.6M ... , air capacity is 20000m3/h for each fan1x11KW double-intake centrifugal fans for exhaust air, model TAE-710H ... risen-temperature spraying, baking, timesetting, lighting switch, failure indicator, temperature regulator,power supply switch, emergency stop, time accumulator,limited-temperature ...