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Quietflow SQT DCV

Quietflow SQT DCV

Product catalog summary

Overview: The Quietflow SQT DCV is a centrifugal fan system designed for demand control ventilation (DCV), featuring a backward curved impeller and Ziehl-Abegg EC motor. It is acoustically treated and suitable for various applications such as toilets, bathrooms, hotels, kitchens, residential areas, offices, and libraries.

Specifications: Available in 11 sizes from 100mm to 710mm, the Quietflow SQT DCV offers air volume flow rates up to 4.19 m³/s for EC motors and 1.23 m³/s for AC motors, with static pressures up to 1237 Pa (EC) and 570 Pa (AC). It operates efficiently at temperatures up to +60°C.

Casing and Construction: The casing is made from 1.2mm galvanized mild steel with fire-resistant acoustic foam lining, EPDM rubber seals for secure duct connections, and a removable lid for maintenance. The impeller is dynamically balanced to ISO 14694 Grade G6.3 standards.

Motors: Equipped with EC or AC twin rotor motors, the system features sealed-for-life bearings and thermal classes THCL 130 or 155. Suitable for ambient air conditions up to +60°C, the motors include an automatic control interface for building management systems.

Quality Management: Designed and manufactured according to BS EN ISO 9001:2008 standards, the units are tested for airside performance (ISO 5801:2007) and sound performance (BS 848 Part 2:1985).

Performance and Sound Data: Detailed performance, specific fan power (SFP), and electrical data are provided for various models, including airflow rates at different static pressures and sound power levels across octave bands, measured according to BS 848 Part 2:1985 standards.

Additional Information: The document includes tables with performance data for different product codes, detailing control voltage, speed, airflow, efficiency, and sound levels. Larger models are available, and contact information is provided for further inquiries.

Performance Data: Airflow is detailed in cubic meters per second (m³/s) at various static pressures, along with specific fan power (SFP) and overall efficiency. Data is provided for different control voltages (10V, 8V, 5V, 2V) and includes sound pressure levels at a distance of 3 meters.

Sound Data: Sound power levels are provided for each model across octave bands from 63Hz to 8kHz, specifying total sound power level in dB and attenuation by silencers of varying lengths (300mm to 1200mm).

Accessories & Wiring: Information on compatible accessories such as flexible connections, clamps, AV mounts, panel filters, and electric heater batteries is included, along with wiring diagrams for installation guidance.

Additional Information: Elta Fans Limited emphasizes continuous product development and reserves the right to supply products that may differ from those described. Contact information is provided for further inquiries and confirmation of dimensions and data.

Catalog excerpts

t: 01384 275800 f: 01384 275810 e: [email protected] visit: eltaselect.com Quietflow SQT DCV Product Brochure MIXED FLOW HEAT RECOVERY

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To find out more about DCV, visit: demandcontrolventilation.com 40°C DEMAND CONTROL VENTILATION More Information Optimum Energy Efficiency Point Dimensional Data Performance, SFP & Electrical Data Sound Data Accessories & Wiring Data QUICK FACTS NEW LARGER MODELS ADDED The Quietflow SQT DCV...ECL incorporates the BAT (Best Available Technology) Vpro backward curved impeller, with three dimensional profiled blades powered by the ultra reliable Ziehl-Abegg EC (electronically commutated) external rotor motor. The range of acoustically treated in-line centrifugal twin fans are suitable for Demand...

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Performance, SFP & Electrical Data SINGLE Phase - 220V to 240V / 50Hz Product Code Control Speed Airflow Voltage r/min SFP Airflow m³/s @ Static Pressure Pa. 0 Motor Electrical Data Overall FMEG Efficiency FLC Input % 500 Amps kW The overall A-scale sound pressure level is at a distance of three meters with spherical propogation. It is expressed in dB re 20µPa and is presented for comparative purposes only, as in the practice semi reverberant nature of any installation and directivity effects can give a different value. *At 2V the average spherical free-field sound pressure levels cannot be accurately...

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Sound Data SINGLE Phase - 220V to 240V / 50Hz Product Code Sound Power Level dBW @ Octave Band Hz Control Speed Voltage r/min Outlet Breakout Outlet Breakout Outlet Breakout Outlet Breakout Outlet Breakout Tests and preparation of the sound data have been carried out in accordance with BS 848 Part 2:1985 at 50% peak pressure. The Sound Power Level Spectra are in dB re-1pW. Elta Fans Limited has a policy of continuous product development and improvement and therefore reserves the right to supply products which may differ from those illustrated and described in this publication. Confirmation of...

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Sound Data SINGLE Phase - 220V to 240V / 50Hz Product Code Sound Power Level dBW @ Octave Band Hz Control Speed Voltage r/min Outlet Breakout Outlet Breakout Outlet Breakout Outlet Breakout Tests and preparation of the sound data have been carried out in accordance with BS 848 Part 2:1985 at 50% peak pressure. The Sound Power Level Spectra are in dB re-1pW. Elta Fans Limited has a policy of continuous product development and improvement and therefore reserves the right to supply products which may differ from those illustrated and described in this publication. Confirmation of dimensions and...

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Accessories & Wiring Data For more information on Accessories & Wiring Diagrams, please see individual product downloads, or visit eltaselect.com/information-centre SINGLE Phase - 220V to 240V / 50Hz Product Code Flexible Connections (each) Clamps (each) Electric Heater Battery Panel Filter *Both Electric Heater Batteries can be used. Product Code Product Code Please enquire. Can be used with all DCV products. Optimum Energy Efficiency Point SINGLE Phase - 220V to 240V / 50Hz Volume m³/s Speed r/min Product Code Data provided at standard air density of 1.2 kg/m³. Values are per ISO 12759 installation...

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Performance, SFP & Electrical Data SINGLE Phase - 220V to 240V / 50Hz or 60Hz Product Code Control Airflow Voltage SFP Airflow m³/s @ Static Pressure Pa. 0 Motor Electrical Data Overall FMEG Efficiency FLC Input % 500 Amps kW A variable speed drive is integrated within the fan. Overall total efficiency, r/min and FMEG values are per ISO 12759 installation category D. FLC Amps @ 230V / 1Ph / 50Hz. Data provided at standard air density of 1.2 kg/m³. The overall A-weighted sound pressure level is at a distance of 3m with spherical free-field propagation. It is expressed in dB re-20µPa and is presented...

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Sound Data SINGLE Phase - 220V to 240V / 50Hz or 60Hz Product Code Sound Power Level dBW @ Octave Band Hz Control Voltage Outlet Breakout Outlet Breakout Outlet Breakout Outlet Breakout Outlet Breakout Please contact Elta Fans for full sound data. Tests and preparation of the sound data have been carried out in accordance with BS 848 Part 2:1985 at 50% peak pressure. The Sound Power Level Spectra are in dB re-1pW. Elta Fans Limited has a policy of continuous product development and improvement and therefore reserves the right to supply products which may differ from those illustrated and described...

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Sound Data SINGLE Phase - 200V to 277V / 50Hz or 60Hz Product Code Sound Power Level dBW @ Octave Band Hz Control Voltage Outlet Breakout Outlet Breakout Outlet Breakout Outlet Breakout Outlet Breakout Outlet Breakout Outlet Breakout Outlet Breakout Please contact Elta Fans for full sound data. Tests and preparation of the sound data have been carried out in accordance with BS 848 Part 2:1985 at 50% peak pressure. The Sound Power Level Spectra are in dB re-1pW. Elta Fans Limited has a policy of continuous product development and improvement and therefore reserves the right to supply products...

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Quietflow SQT DCV

Quietflow SQT DCV

Catalog excerpts

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