• Model:SQTDCV250-1ECL

Quietflow Twin SQTDCV250-1ECL

£ 2,421.34 (excl. VAT)

£ 2,905.61 (inc. VAT)

Quietflow Twin SQTDCV250-1ECL

Acoustically lined twin in-line centrifugal fans with added demand control. Designed to monitor and control one or more fan units simultaneously, with 6 pre-programmed fan applications. Supplied Multi-function remote control panel with LCD display.

• Standard size 250 mm
•Air volume flow rates up to 0.325 m3/s •Static pressures up to 637 Pa • Suitable for operating temperatures up to +60℃
• Available in EC
• 12 month warranty

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 Minimum and maximum ventilation rates as well as control settings can all be setup easily via the wall display provided. Settings can be loaded from one display copying settings between units quickly.

Constructed from a robust 1.2mm galvanised mild steel sheet casing. Each casing provides spigots to suit standard circular ducting. A removable lid is provided as standard to allow easy maintenance and cleaning.

Efficient Performance High efficiency low tonal noise backward curved centrifugal impellers are directly driven by EC external rotor motors, 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


Data Sheet

Customers also purchased...

2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 075 52 Frequency Inverter (IP20)1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x ELTA - Three Phase Transformer 10amps1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FRQ5-10A Inverter Speed controller1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1001 x PCA Diffuser - PCA-3151 x Balance S Diffuser - NO RING - 125mm2 x Electronic extractor fan speed controller - FSC 1.51 x Round ceiling diffuser 400mm1 x EC6H - Reversible Group Fan Electronic Controller1 x Curved Blade Grille 600x600 (2way blow)1 x Circular Ceiling Diffuser - TST 1601 x JSR 200 Painted RAL50181 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x Balance S Diffuser - NO RING - 100mm1 x ELTA - Single Phase Transformer 8amps1 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 12amps1 x Round ceiling diffuser 200mm2 x AIRVENT speed control - AIR4019612 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 4amps1 x COM-31 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Round ceiling diffuser 250mm1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 350mm1 x PCA Diffuser - PCA-2502 x Vent Axia ACM 125 inline mixed flow duct fan1 x Speed Controller - REB51 x Transformer (silent) speed controller - RE 1.5 Amp2 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x EC-Vent control board1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EC-Vent Room Unit1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x Transformer (silent) speed controller - RE 3.0 Amp1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/501 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Jet Cowl - 315mm1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5952 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Transformer 5 Speed Controller - ATC1-12TK1 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Helios TSW 7.5 Amp Transformer speed controller1 x Vent Axia T-Series Controller1 x Remote Timer Control - 13512 x Helios TSW 3 Amp Transformer speed controller1 x REB-CVF 0-10v Controller3 x Push Timer Switch - ZA41 x MTP 10, 10K, Speed control1 x PIR Sensor - PIR21 x Transformer Speed Control - RTRE- 5.0Amp1 x Speed Controller - REB11 x PIR Sensor - PIR41 x CBM 9-9 550w 4P VR (Open Motor)1 x Elta ACO Panel 149-ACO18B1 x Vent Axia Silent 100T (TIMER)1 x UB47- Universal Insulated Terminal1 x EM30-24 Control Panel Commissioning Service1 x QPTW 250C Acoustic Twin Fan with Controller1 x Elta - Room Sensor - Temp/Humid/C021 x GRA-100 External Grill by S&P1 x Silentub - STUB 1001 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x CFI In-line 150 - Carbon Filter1 x VTR 500 STD Filter Kit1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Elta SCP400/4-1AC - IP551 x Potentiometer EGH 01 - for DDMP Fans1 x RUCK MTP 20, 10K, Speed control1 x CAD-COMPACT 900 ADVANCED N8 - MVHR unit1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Transformer 5 Speed Controller - ATC1-4TK1 x ELTA - Single Phase Transformer 10amps1 x Vent Axia ACM 150 inline mixed flow duct fan1 x RTRD - Three Phase Speed Controller - 2 Amp1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Helios TSW 1.5 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-10TK1 x CS2 Current Switch1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Vent Axia ACM 100 inline mixed flow duct fan
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29

Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...