The Delta Series is designed for wall mounting and is suitable for a wide range of applications.
Construction
Cowls are of UV-stabilised plastic or steel. Steel components have a corrosion-resistant finish.
Backward-curved centrifugal impellers.
Motors
Type - external rotor, squirrel cage induction motor.
Electricity supply - single or three-phase, 50Hz.
Bearings - sealed-for-life, ball.
Speed-controllable.
Thermal Contacts
Thermal protection is supplied as standard on all units. Both auto-reset and manual-reset types are used. Check with our sales engineers for the type fitted.
Testing
Air flow test to AS2936:1987, SAA Fan Test code (1).
Noise test to BS848:Part 2, 1985.
Special Features
Both supply and exhaust designs.
Ready access to fan impeller and motor from inside or outside the building is a feature of the design.
Twin fans provide a 100% stand-by facility for a limited range of models. Contact our sales office for selections and dimensions.