Colt NFV - Control de Humos, Climatización y Ventilación ... Control/NFV natural facade... · VERTICAL SECTION THROUGH COLT NATURAL FACADE VENTILATOR TECHNICAL dATA & PErForMANCE
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Colt N
FV | N
atural Façade Ventilator
Colt NFVNatural Façade Ventilator
ProduCT | NFV
The Colt NFV Natural Façade Ventilator is a combined, integrated louvre/damper system designed to be installed within the envelope of a building to allow controlled natural ventilation. It is ideally suited for education facilities as part of BB101 but is also suited to many commercial and public buildings such as libraries, offices and health care facilities.
The Colt NFV is a fully thermally broken system which can be installed into any structure or glazing system.
dESCrIPTIoN
The Colt NFV weathered motorised or manual natural uPVC ventilation damper allows the passage of air to/from classrooms, atrium corridors, lobbies and stairwells. It enables the fabric of the building to be cooled overnight and reduces the risk of daytime overheating.
FEATurES ANd BENEFITS
- Fully thermally broken system- Air permeability is within the current Building regulations maximum leakage rate- Suitable for low level inlet or high level extract- A wide range of additional options- Various control system options (see right)- optional smoke clearance version- Modulates between modes silently- delivered to site fully assembled for speedy installation.
NATURAL FAçAde VeNTILATOR
PErForMANCE
- Air permeability – Class C when tested to BS 6375 Part 1:1989 at a pressure differential of 50Pa.- u Value – 1.0W/m2K.- Acoustic – refer to tested figures overleaf.- Coefficient – refer to tested figures overleaf.
oPTIoNS
- Internal decorative grille.- Control – either 24v or 230v electric actuators with modulating option. Manual control via lever or teleflex control.- Weather louvre – double bank louvre system to provide weathering to Class A (at 1m/s suction) to EN 13030.- Acoustic unit – provided at depth required to achieve desired internal noise levels (see sound reduction data overleaf).
- Heater battery – see over for performance- Birdguard and insect guard.- Control system – a range of options to provide control to dampers via, (for instance), rain, wind, temperature and Co sensors.
dIMENSIoNS
- overall Width: from 450mm to 2400mm. - overall Height: from 350mm to 2000mm. - dimensions are in mm increments - The maximum dimensions are limited by the aspect ratio. - The maximum area for a single unit is 2.2m2.
FINISHES
Polyester powder coated external louvres and a wide variety of decorative grilles.
VERTICAL SECTION THROUGH COLTNATURAL FACADE VENTILATOR
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VERTICAL SECTION THROUGH COLTNATURAL FACADE VENTILATOR
NFV UNIT WIDTH
423
PLAN SECTION THROUGH COLTNATURAL FACADE VENTILATOR
INTERNAL ALUMINIUM GRILLE
EXTERNALALUMINIUM LOUVRE
UPVC DAMPER SILICONE SEAL ALL-ROUNDBETWEEN LOUVRE & STRUCTURE
Module type Sound reduction (SL 100 version) Coefficient
open, rw Closed, rw
#1 Louvre/damper/Grille 3dB 26dB 0.19
#2 Louvre/damper/SL100 Acoustic Module/Grille 8dB 26dB 0.11
#3 Louvre/damper/Heater Battery/Grille 3dB 26dB 0.19
#4 Louvre/damper/SL100 Acoustic Module/Heater Battery/Grille 8dB 26dB 0.10
Aerodynamic Performance
entry velocity - 0.45m/s
Temperature on - 80oC
Temperature off - 60oC
delta T - 23oC
Motor data
Performance
Motor Type Power Consumption Control
In Operation At Rest
230V AC 2.5W 0.6W Modulating 0-10V Signal
24V dC 2.0W 0.4W Modulating 0-10V Signal
Heater battery data - standard selections based on:
Installation into a structural openingInstallation into a structural openingInstallation into a structural opening Installation into glazing
300
250
200
150
100
50
00 0.5 1.0 1.5 2.0 2.5
Face velocity (m/s)
Pres
sure
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Module #1 and #3
Module #2 and #4
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