NuAire AXUS SVT Series Installation And Maintenance Manual

NuAire AXUS SVT Series Installation And Maintenance Manual Manual pdf 1 page image

AXUS SVT 300 o C for 2hrHigh Temperature Impulse Axial FansInstallation and MaintenanceIntroductionThe Nuaire SVT impulse unit comprises a high temperatureaxial fan with specially designed inlet and outlet attenuatorswhich, along with the fan unit, are encased in a Galvanisedsteel acoustic enclosure.Fan Coding DescriptionsSVT 1 (A-E)1 2 31. AXUS Impulse fan2. Case size3. Impeller blade angleThe Nuaire SVT unit comprising fan/motor assembly, andinlet & outlet silencers shall be certified for high temperatureoperation at 300O C for 2 hours, the range shall have been typetested to EN12101-3.The units shall be either 2 speed or inverter driven providing,low speed for day to day environmental ventilation and one offoperation for emergency ventilation (S1 duty). They shall alsobe suitable for reversible operation.Fully reversible options (i.e similar duty in both airflowdirections) are available, please contact Nuaire for details.The unit shall have a unique mounting bracket, which shallenable the bracket to be positioned as a “first fix” componentwith the unit being fitted as a “second fix” component, avoidingpossible mechanical damage.The Nuaire SVT unit shall have inlet guards for safety purposesand also to prevent debris being sucked through the fan. It alsohas a specially designed airflow deflector to direct the jetstream from the fan at the required angle sufficient to overcomethe natural buoyancy effect of the smoke.EN12101-3 compliant, refer to EC certificate of conformity10086-CPD-467873.HandlingAlways handle the units carefully to avoid damage anddistortion. If mechanical aids are used to lift the unit,spreaders should be employed andpositioned so as to prevent theslings, webbing etc. makingcontact with the casing.InstallationInstallation must be carried out by competent personnel inaccordance with the appropriate authority and conformingto all statutory governing regulations.1) Fixing unit jig and brackets togetherCheck that you have 2 off support brackets (SVT-BRKT2)along with the unit jig. Attach the 2 brackets to the jig asshown below in figure 2.Figure 2.2) Fixing support brackets to ceilingUsing the four 30mm x 12mm slots in the top side of the twobrackets attach the jig and support brackets to the ceiling.3) Remove the jigRemove the jig so only the support brackets are in position onthe ceiling. (see figure 3).4) Fit main SVT unit to bracketsThe SVT unit can now be raised up into position between thetwo support brackets on the ceiling and attached when required.1 Leaflet Number 671256 November 2006Nuaire Limited Western Industrial Estate Caerphilly United Kingdom CF83 1NATelephone: 029 2085 8200 Facsimile: 029 2088 7033Email: info@nuaire.co.uk www.nuaire.co.ukSupport brackets (2 off)Support bracketsattach to jigUnit jig50mm602mm616mm ctrs673mmAttach SVT unit tosupport bracketspositionedon the ceilingFigure 3.Figure 1.Figure 4.

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