The Sydney Fan Company

Australasian distributor for Wolter Fans

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    NSW tel: (02) 9624 - 4000
    nsw@thesydneyfancompany.com.au
    sales@thesydneyfancompany.com.au
    33/45 Powers Rd, Seven Hills NSW 2147

    http://www.www.newleafdesign.com.au

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    Cabinet Boxes PDF file - 5 Megs
    Cabinet Fans -Design features


    Casing
    frame made of extruded aluminium profiles, joined together by either plastic or aluminium corners
    side panels made of galvanised sheet metal with optional epoxy coating
    panels are insulated to ensure low noise levels
    optional access door on service side
    weatherproof version with aluminium side plates and weather-hood available


    Fans
    Cabinets with belt-driven fans are fitted with double-inlet forward- (TRZ) or backward-curved (HRZ) fans. For a more detailed description of these fans, please refer to our catalogue M08.
    Cabinets with direct-driven fans are fitted with DRS-type fans.with 100% speed-controllable external rotor motors. For a more detailed description of these fans, please refer to the section „Direct-driven Centrifugal Fans“ on page 222ff.


    Installation and maintance
    Interchangeable side panels allow easy installation
    low-maintenance operation
    electrical connection via waterproof terminal box
    The following ancillary equipment is available:


    Flexible connection
    The flexible connection consists of two galvanised flanges, assembled with gas-tight canvas. Please note that the dimensions of inlet and outlet flexible connectors for a respective cabinet fan can differ.
    Inlet and outlet flanges
    Galvanised matching flanges for inlet and outlet sides are available.


    Dampers 
    JK-type motorised volume control dampers are available in any dimension.
    For further information, please refer to page 29 of the full catalogue.


    Fan performance curves 
    The performance curves for these fans have been established using the inlet test method in a test rig according to DIN 24 163, mounting position D (connected on both sides). The curves indicate the static pressure rise, for direct-driven fans and the total pressure increase, for belt driven fans as a function of the volume flow.


    Sound levels 
    The figures given in the performance curves are the A-weighted sound power levels in decibels at the outlet side in ducted systems. The A-weighted sound power level at the inlet side, according to DIN 45 635, part 38, can be calculated via the relative sound power levels.