OPUS PLUS TWINFANS COMPACT & POWERFUL, IDEAL FOR LARGER ROOM APPLICATIONS WHILST MAINTAINING LOW NOISE LEVELS.

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1 TWIFAS COMPACT & POWERFU, IDEA FOR ARGER ROOM APPICATIOS WHIST MAITAIIG OW OISE EVES

2 5 Speed Control TWI FAS BEEFITS COMPACT & POWERFU Small design, high performance up to 5I/s - ideal for larger room applications. COTIUOUS VETIATIO Twin fans allow for automatic changeover to stand by fan in event of fan failure. They also feature auto duty share. VERY QUIET OPERATIO Acoustically treated case and 'on board' speed control offers high performance with low noise levels. SIMPE COMMISSIOIG Both high and low speeds can be easily adjusted and set to the design requirements. ICREASED IFECYCE Fans automatically change over to standby every hours of run time, increasing units overall lifecycle. OW MAITEACE COST Easy clean filters protect motor and fan assembly, reducing maintenance costs and extending fan life. HEATHY ATMOSPHERE MInimum fan speed can easily be adjusted between % and 5% for continuous background ventilation without wasting motor power. Enabling background ventilation to be provided. COTROABIITY A choice of 'on-board' and 'remote' control options are available. SPEED COTRO ICUDED All units has speed control included as standard to provide a packaged solution. WARRATY Opus Plus have a year warranty. ACIARIES Easy maintenance. Simple controls. 8 7 H% 6 9 Humidistat. Audio visual fault indicator. Wall kit. 5 o C Ma Off Max Remote P.I.R. sensor. Thermostat. Remote speed control. Easy filter access. Knockout spigots. Download specification from nuaire.co.uk

3 PERFORMACE - FAS Opus - Single and Twin Fans 5 4 Tested in duct V ISO 58 7 Code Descriptions OPUS - B P 4 5 Fan Static Pressure (Pa) 4. Opus-Plus range Duty indication: = l/s 5 = 5 l/s. = Twin fan o reference = Single fan Unit application: B = Surface mounted M = Duct mounted P = integral PIR. Option for surface mounted models only Air volume flow rate (l/s) Opus 5 - Dual Fans m /hr 4 5 Tested in duct V ISO Fan Static Pressure (Pa) Air volume flow rate (l/s) ote: Speeds are 5-5% ( & ) 75-% ( & 4). Curves are for indication only. Opus 5 - In event of fan failure, the second fan will continue to run. Performance will be as Opus

4 PERFORMACE - FAS EECTRICA & SOUD B/B Surface Mounted Speed Input Sound Power evels (db re pw ) Control Power FC Octave band mid frequency (Hz) dba Curve Fan Code Setting (watts) amps K K 4K m OPUS 5% OPUS 5% OPUS 75% OPUS % B Surface Mounted OPUS5 5% OPUS5 5% OPUS5 75% OPUS5 % M/M Surface Mounted OPUS 5% OPUS 5% OPUS 75% OPUS % M Duct Mounted OPUS5 5% OPUS5 5% OPUS5 75% OPUS5 % The electrical and sound information in the table is nominal. Breakout dba@m is spherical, free field. Download specification from nuaire.co.uk 5

5 DIMESIOS - SURFACE MOUTED UITS End View B Rear View View from below C G D E A DIMESIOS (mm) & WEIGHTS Fan Unit A B C D E F G Weight Kg OPUS-B OPUS-B OPUS5-B F Wall Mounted Opus Plus Key:. ED Run and Fail Indicators Optional Fascia P.I.R.. Cover Fixing Screws 4. Fixing Points 5. Cable Access DIMESIOS - DUCT MOUTED UITS Top View End View Side View E B Airflow. D Airflow C A DIMESIOS (mm) & WEIGHTS Fan Unit A B C D E Weight Kg OPUS-M OPUS5-M Duct Mounted Opus Plus Key:. x 5 Dia. Spigot Knockout Cable Access. Single Screw Unit Fixing 4. 4 x Dia. Spigot Knockouts 5. Access Panel (full length of unit) WIRIG Wire for full speed operation only. Wire for trickle vent/boost and timed overrun. Unit terminal block Fuse A max Unit terminal block Fuse A max Earth post Earth post ink for switched live

6 COSUTATS SPECIFICATIO OPERATIO The extract fans shall be as indicated on the drawings and shall be in accordance with the particular fan schedule in this specification. The vitiated air shall be extracted from each area via ductwork as shown. All necessary ductwork fittings and ancillaries shall be allowed for by the mechanical sub contractor. The extract fans shall be operated as it receives signals from one of the interconnected sensors or an external signal e.g. light switch. The OPUS Plus shall have the facility to increase speed on a trickle and boost principle when triggered. GEERA FA SPECIFICATIO The fans are acoustically lined with high density class "O" flame retardant acoustic insulation, giving extremely low noise levels and shall be complete with an integral filter, integral controls and facia mounted run and fail indication. The breakout noise level and power requirements shall be in accordance with the schedule and the manufacturer s details. SURFACE MOUTED All fan components are manufactured from ABS polymer and pre-coated steel. Unit finish shall be white. Fan to have the option of an integrated PIR detector to switch the unit from trickle or off to full speed. Air inlet grilles are fitted with foam filters to protect the fan/motor assembly from airborne dust and contaminants. The unit shall have a 5dia spigot to connect to ductwork or wall mounting kit. Surface mounted ED indicators shall show the unit operational status. The unit shall be supplied complete with automatic fan changeover in the event of failure, sensed via a "hall effect" airflow sensor, and auto duty share every hours of run time. All versions shall have the following functions integrally mounted within the fan unit on a purpose made PCB, all such components pre-wired and factory fitted by the manufacturer: The fans shall have low energy, high efficiency fan/motor assembly with sealed for life bearings. The unit shall be supplied complete with automatic fan changeover in the event of failure, sensed via a "hall effect" airflow sensor, and auto duty share every hours of run time. DUCT MOUTED The unit shall incorporate a low profile single point mounting bracket, incorporating a pre-stressed synthetic anti vibration seal. The bracket shall enable the unit to be mounted horizontally or vertically. The depth of the unit shall not be greater than 6mm. The unit shall be constructed with one removable panel allowing full maintenance access. To facilitate the interconnection of branch ducts the unit shall have 4x dia & x 5 dia knockouts on the suction side of the unit (spigots provided) and x dia discharge spigot. Fan shall be the OPUS- () M or the OPUS5-M as manufactured by uaire. Integral adjustable background ventilation control/set point ( 5%). Integral adjustable trickle ventilation control/set point (5 %). Integral adjustable run on timer. Integral S/ terminal for boost trigger from remote switch, e.g. light switch. Volt free failure/status indication. years manufacturers warranty. The unit shall be controlled by one of the following remote options: OPUS SPD ow voltage (V) speed control, O/OFF and speed control between min and max settings. -PIR - (passive infra-red) movement detector (includes run-on-timer), - mins). -PIRT - (passive infra-red) movement detector (without run-on-timer). HUMISE - Humidity sensor. -TSTATR Room thermostat. ES-AVI - Audio Visual Indicator. Fan shall be the OPUS- B (P) or M or the OPUS5- B (P) or M as manufactured by uaire td. The manufacturer s recommendations should be observed at all times. Download specification from nuaire.co.uk 7