• Model:SQS250-1ECL

Quietflow SQS250-1ECL - Centrifugal Box Fan

£ 1,259.39 (excl. VAT)

£ 1,511.27 (inc. VAT)


Quietflow SQS250-1ECL - Centrifugal Box Fan

• Standard size 250 mm
• Air volume flow rates up to 0.347 m3/s
• Static pressures up to 841 Pa
• Suitable for operating temperatures up to +60℃
• Robust galvanised sheet steel casing
Acoustically lined single in-line centrifugal fans, suitable for internal duct mounting. The Quietflow incorporates advanced backward curved impellers, with three ndimensional profiled blades.

Low Noise
Each unit is acoustically lined internally with Class O rated (BS 476 Parts 6 and 7) fire resistant acoustic foam lining minimising breakout noise levels.

Easy Installation
New multi-mount brackets allow easy mounting in a range of orientations.

Easy Commissioning
Integrated commissioning control allowing single speed selection and also limiting maximum speed if used with an external potentiometer.

Efficient Performance
High efficiency low tonal noise backward curved centrifugal impellers are directly driven by an EC external rotor motor, provide low specific fan powers and stepless speed control without tonal noise generation.

Weather Resistance
Units can be weatherproofed in the factory to allow external installation.

PDF Files


SQS250-1ECL Specification Sheets

1 x NKS-D swirl diffuser v-300 x 300mm1 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 1601 x JSR 200 Painted RAL50181 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 1001 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 200mm1 x PCA Diffuser - PCA-2501 x Circular Ceiling Diffuser - TST 2001 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x TTC-2000 Three phase electric heater controller1 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic1 x Elta ACO Panel 149-ACO14E1 x Elta ACO Panel 149-ACO18B1 x EC-Vent control board1 x Systemair Save Connect 2.0 Internet Module1 x ACO 149-ACO1/EDV1 x EC-Vent Room Unit1 x EM30-24 Control Panel Commissioning Service1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Duct Termination with Mesh - 100mm1 x Flat Roof Terminal -OFT 5 - Asphalt1 x 100mm Round Connector with Damper1 x Hydor HCF-6.0 Electronic Speed Controller for HPA plate fans,1 x 204x60mm to 220x90mm Rectangular Adapter1 x Universal Pipe Fixing Clip1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x DV-ROF-V-225 Roof mounted unit1 x Economy Airvent 100mm Fan with Timer1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost
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Reviews
DAOSL Back Draft Damper
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Look good, works well, except the shaft of the lanellae cuts...