airflow systems for managing, controlling and monitoring indoor environments, comprised of air supply and air exhaust valves, sensors for sensing airflow and airflow monitors, sound attenuators and diffusers, electrical analog and digital controllers, electrical power supplies and [ variable speed electric motor drives ]

'air':12,15 'airflow':1,21,23 'analog':30 'attenu':26 'compris':10 'control':5,33 'diffus':28 'digit':32 'drive':42 'electr':29,34,40 'environ':9 'exhaust':16 'indoor':8 'manag':4 'monitor':7,24 'motor':41 'power':35 'sens':20 'sensor':18 'sound':25 'speed':39 'suppli':13,36 'system':2 'valv':17 'variabl':38

PHOENIX CONTROLS

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