ARFV-S • Roof Exhaust Units

• These fans are designed for direct or ducted ventilation in residential, commercial and industrial buildings

• 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
  
• Outer pole motor with maintenance-free ball bearings
• Voltage: 230Vac 1ph (type E) and 400Vac 3ph (type D)
  
• Insulation class F - protection classes:
• ARFV-S 190 E2 31 - ARFV-S 280 E4 31: IP33 for the motor, IPX4 for the entire fan
• ARFV-S 315 E4 33: IP44 for the engine
• ARFV-S 355 E4 31: IP44 for the engine, IPX4 for the entire fan
• ARFV-S 400 E4 31 - ARFV-S 560 E4 31: IP54 for the motor, IPX4 for the entire fan

• Connection box IP44 with cable gland (excluding ARFV-S 220 E4 31, ARFV-S 225 E2 31 and ARFV-S 250 E4)
• Tiltable motor section
• Integrated safety switch

• 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
• Transformer speed controllers, type TSC(TK)-1

• ARFV-S 220 E2 31

ARFV-S = Type of fan

220 = Size

E = 1x230 V

2 = 2800 rpm

31 = version