Control panel automatic/manual (single-phase 220V/three-phase 380V)
Usage environment
For installations requiring multiple air curtains at large entrances, such as HACCP factories, sewage treatment plants, and department stores, controlled by a single control panel
Automatic(switch) : Integrate limit contacts with door panels or install limit sensors to operate during door opening and closing
manual(switch) : Operate regardless of door opening or closing status
Summer/Winter (Ventilation/Heater) : Operate cooling airflow in summer/heated airflow in winter.