Wall Exhaust Fan VCN 125

APPLICATIONS

• Supply and exhaust ventilation systems for various premises suitable for external surface mounting.

DESIGN

• Fan casing is made of steel with polymeric coating.
• Various fan modifications for surface or flush mounting are available.

MOTOR

• The plastic impeller with backward curved blades is powered by means of the single-phase motor with external rotor and overheating protection with automatic restart.
• For some dimension types high-powered motors are available (VC…S).
• Motor is equipped with ball bearings for longer service life designed for at least 40 000 hours.
• For precise features, safe operation and low noise, each turbine is dynamically balanced while assembly.
• Motor protection rating IP 44.

SPEED CONTROL

• Smooth or step speed control with a thyristor or autotransformer speed controller.
• Several fans may be connected to one speed controller provided that the total power and operating current do not exceed the rated speed controller parameters.

MOUNTING

• Fan is designed for surface wall mounting (VC…PN and VC…VN models) or through-the-wall mounting (VC…PK and VC…VK) depending on design modification.
• The fan is mounted to the wall with the mounting plate.
• The fan is powered through the external terminal box.
• Electric connection and installation shall be performed in compliance with the manual and wiring diagram on the terminal box.

SYMBOLS
S – high-powered motor
V – exhaust;
P – supply;
N – surface wall mounting;
К – through-the-wall duct mounting;