ARFV-S EC • Roof Exhaust Units

• These fans are designed for direct or ducted ventilation in residential, commercial and industrial buildings
• Variable flow ventilation systems (eg can be combined with VAV valves) for optimum energy consumption (only for ARFV-S ECCP models)
  

• Octogonal housing made of seawater resistant aluminium AlMg3
• Turbine with backward-curved blades made of galvanized steel sheet up to type 280 and aluminum for all others, balanced G6.3 according to DIN ISO 1940
• EC motor with internal electronic thermal protection
• Flow regulation:
• Constant speed control (0-10V control) for models ARFV-S EC 31
• Constant pressure control for models ARFV-S ECCP 31
• Voltage: 230Vac 1ph and 400Vac 3ph
• Insulation class F (excluding ARFV-S 355 EC (CP) = B)
• Protection class:
• Motor: IP55 (excluding ARFV-S 190-250 EC (CP) = IP54, ARFV-S 280 EC (CP) = IP30)
• Terminal box: IP44 (excluding ARFV-S 250 EC(CP) = IP54, ARFV-S 190 EC (CP) = none)
• Complete roof fan: IPX4 (excluding ARFV-S 190 EC (CP))
• Tiltable motor section
• Integrated safety switch
• Integrated thermal contact
• Maintenance-free, long-life ball bearings

• Roof socket, type RAC-I
  
• Roof socket, type RC-I
• Adapter plate, type RAP
  
• Backdraught shutter, type RAS
• Flexible connector, type RFC
• Matching flange, type RIF
• Potentiometer, type ESCP010
• 3-position switch, type MSS-D

• ARFV-S 220 ECCP 42

ARFV-S = Type of fan

220 = Size

EC = EC motor

CP = Constant pressure control

42= version