- 9 sizes
- Air volume flows up to 4.5m³/s
- Static pressures up to 500Pa
- Units house two double inlet, double width forward curved belt driven centrifugal fans.
- Fans isolated from unit casing with anti-vibration mountings and flexible connectors.
- Automatic non-return shutters eliminate backdraught and short circuiting of exhaust air.
- Motors are class F insulated prote
cted to IP 55 and conform to EEC directives. - Unit casings hot dipped galvanised sheet steel, braced for rigidity.
- Rectangular spigot inlet and outlet connections.
- On external units discharge connection is replaced by weather louvre.
- Double skin
- Acoustic lining
- Access panel on bottom of unit as standard, can be fitted on top if required.
- Unit fitted with airflow detection microflow switches pre-wired to unit terminal block for connection to auto changeover panel.
Auto-Changeover Control Panels
1 phase and 3 phase control panels providing automatic changeover to stand by fan on electrical or airflow failure of run fan.
3-phase panels include direct on-line starter for each fan,
Also supplied for automatic 12 hour duty sharing.
