Sentinel D-Box Twin Fans

Sentinel D-Box Twin Fans

Description

Features and Benefits of Sentinel D-Box Twin Fans

  • Duct Sizes 100 – 500mm
  • Performance - Airflow 0.01 to 1.3m3/s, Pressure up to 650Pa
  • Sentinel demand ventilation fan controller with lockable isolator
  • Latest energy saving EC/DC motors
  • Aluzinc construction suitable for internal or external mounting
  • Manufactured controlled to BS EN ISO 9001
  • Performance tested to BS848 Part 1 & 2

Sentinel fan units are manufactured from Aluzinc and internally treated with an ‘O’ class rated, BS476 part 6 & 7, acoustic foam. The benefits of ‘O’ class rated acoustic foam are:

  • High sound absorption
  • Good thermal insulation properties
  • Self-extinguishing properties
  • Ignition resistant

An additional controller shroud is incorporated in weatherproof external units.

For concealed false ceiling applications the Sentinel D-Box Twin Fans housing is designed to be as compact as possible. A quick and easy solution to installation is ensured by the Sentinel D-Box Twin Fans casings which specially designed to allow the unit to be mounted via its unique mounting bracket.

Non-return dampers can be easily rotated on site to suit, Sentinel D-Box Twin Fan units are suitable for ceiling or floor mounting,

Impellers

Features and Benefits of Sentinel D-Box Twin Fan Impellers:

  • Specifically chosen for performance and non-overloading characteristics, all Sentinel units feature a low energy, Class 1, EC/DC external rotor motor and backward curved impeller assembly.
  • The assembly is dynamically balanced to DIN ISO 1940 Grade 6.3, duct size 500mm rated IP54, all other sizes, IP44 according to BS EN 60529.
  • Ball bearings are greased for life.
  • Insulation is Class ‘B’ (from -25°C to +60°C).
  • All models incorporate internal electronic overload protection and soft start function.

Electrical

Electrical Features and Benefits of Sentinel D-Box Twin Fans:

  • A purpose designed common PCB controller is fitted in every Sentinel unit.
  • For fan status & commissioning set up these common PCB controllers incorporate a 16-character backlit alphanumerical x 2-line display with 4 button membrane key-pad.
  • Fitted with a 4-pole 10A isolator, the enclosure is suitable for fitting a locking device to prevent accidental operation.
  • In the event of motor-failure the Sentinel D-Box Twin Fan unit controller features automatic 6hr duty/share and run/ standby.
  • Sentinel D-Box Twin Fan motors are single phase 230V +/- 10% / 50/60Hz / 1ph (size 100- 400mm) or 400V +/- 10% / 50/60Hz / 3ph (size 500mm), (4 wire systems only).
  • For powering the matched range of Sentinel switches and sensors 24V DC power is provided from the controller.

Performance/Sound

Features and Benefits of Sentinel D-Box Twin Fans Performance and Sound:

  • Extensively tested to BS848 parts 1 & 2.
  • Published dB(A) figures are free field sound pressure levels at 3m with spherical propagation at reference level of 2x10-5 Pa.
  • The inlet/outlet sound power level spectra figures are dB with a reference of 10–12 Watts.
  • Weatherproof Typical Ordering DesignationSentinel D-Box Twin Fans LiveChart

There are no softwares available for download for this particular product.

​Dimensions

Sentinel D-Box Twin Fans Dimensions 
 

Hierarchy Model

Constant Pressure Model

a

b

c

d

e

f

g

Weight Kg

100T

100T/CP

610

705

100

591

717

256

622

26

125T

125T/CP

610

705

125

591

717

256

622

26

150T

150T/CP

610

705

150

591

717

256

622

26

200T

200T/CP

801

896

200

703

830

343

734

39

250T

250T/CP

925

1020

250

798

925

354

829

48

315T

315T/CP

1255

1353

315

1145

1272

536

1176

88

400T

400T/CP

1255

1353

400

1145

1272

536

1176

90

500T

500T/CP

1492

1590

500

1533

1661

675

1564

175