Viper SCC450-1AC

Duct Mounted Centrifugal Fan

  • Patented design (registration number GB2503270)
  • Standard size 450 mm
  • Air volume flow rates up to 0.467 m3/s
  • Static pressures up to 277 Pa
  • Suitable for operating temperatures up to +60℃
  • Available in AC

Overview

The Viper SCC Series is an inline duct mounted centrifugal fan and is normally mounted in duct work applications. The Viper incorporates advanced backward curved impellers, with three dimensional profiled blades.

Features and Benefits

Easy Installation

Fans are supplied with a fitted IP55 terminal box, which allows the fan to be positioned conveniently to incoming electrical inputs.

Efficient Performance

High efficiency low tonal noise backward curved centrifugal impellers are directly driven by an AC or EC external rotor
motor, designed to be non-overloading and provide high performance characteristics.

Corrosion resistance

The Viper SCC has been treated against corrosion, powder coated with polyester epoxy paint in pastel beige (RAL 7032)

Controllability

EC motors providing precise speed control via potentiometer, BMS or Elta Fans DCV control. AC external rotor motor variants also available. Reduced fan speed can provide significant cost-savings through lower energy consumption in both mechanical energy of motors and also on the conditioning of replacement air.

Energy saving

Performance optimised backward curved impellers and IP54 EC motors provide low specific fan powers and stepless
speed control without tonal noise generation.

Warranty

Each SCC has a 12 month warranty.

Specification

Casing

The all metal fan casing and guard provide a long lasting and robust construction. The units have been constructed from mild steel and suitably treated to ensure full corrosion protection. The guard is powder coated polyester epoxy paint finish in black (RAL 9005). Fan casings are powder coated polyester epoxy paint finish in pastel beige (RAL 7032).

Motors

The units may have either an EC or AC external rotor motor fitted as standard. The motor contains sealed for life bearings. Thermal Class of motors to THCL 130 or 155 dependent on size. All motors are suitable for use in ambient air conditions up to +60 ℃. Electrical connection to the motor shall be provided by an IP55 terminal box.

Impellers

High efficiency low tonal noise backward curved centrifugal impeller, dynamically balanced to ISO 14694 Grade G6.3 and directly driven by the motor to provide a smooth airflow through the unit.

Control

Speed control shall be via stepped transformer, potentiometer or 0-10V dependant on model.

Quality Management

Units are to be designed and manufactured with procedures as defined in BS EN ISO 9001. All Viper SCC units are to be tested to ISO 5801 (airside performance) and BS 848 Part 2 (sound performance).

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