TRS - Jet nozzle diffuser

Compact or conical air jet supply diffuser for wall or ceiling installations

Ideal for high spaces..

  • Specially designed for large enclosures 
  • Horisontal adjustable throw pattern with compact jet position
  • Alternative throw patterns are selected by rotating the cone module
  • Long throw pattern with low velocity reduction
  • Alternative wide and short shape throw pattern
  • Circular duct connection

The diffuser is made of painted steel with a white (RAL 9010) colour.

The diffuser is made in two sections: an outer sleeve and an inner concentric cone.

The supply air pattern is selectable for wide or narrow jet by rotating the cone module.
The angle of narrow supply air pattern is adjustable.

Halton TRS

Jet Nozzle Diffuser

  • Specially designed for large enclosures 
  • Horisontal adjustable throw pattern with compact jet position
  • Alternative throw patterns are selected by rotating the cone module
  • Long throw pattern with low velocity reduction
  • Alternative wide and short shape throw pattern
  • Circular duct connection

Dimensions

NS H H1
Wide
H1
Narrow
H2 ØD ØD1
200 90 100 85 28 159 198
250 114 130 110 35 199 248
315 140 155 130 39 249 313
400 170 190 140 40 314 398
500 208 245 165 43 399 498

 

Weight (kg)

NS Weight
200 1.00
250 1.53
315 2.44
400 3.39
500 5.40

Material

 Part  Material  Note
 Casing  Steel  
 Cone module  Steel  
 Finishing  Painted/
 White (RAL 9010)
 Special RAL colour available

Accessories

 Accessory Code  Description
 Balancing plenum TRI  For balancing, equalising the airflow
 and attenuating the duct noise

Function


                         Narrow jet                                           Wide jet

Air is supplied to the space through the selectable cone module
The supply air pattern can be selected for wide or narrow jet by rotating the cone module.

The narrow compact jet is used for long air pattern in heating applications and the conical wide jet for shorter air pattern in cooling applications.

The angle for narrow air pattern can be adjusted.

Installation

NS ØD1
200 198
250 248
315 313
400 398
500 498

The diffuser is connected either directly to the duct by screwing or by riveting or alternatively to the Halton TRI balancing plenum.

The recommended minimum safety distance upstream of the diffuser is 3xD.
 

Installation with Halton TRI

The collar of Halton TRI plenum can be installed either internally in the plenum or externally onto the bottom of the plenum. The height of the unit for the external installation is presented in the table below. When the collar is installed internally, the total height H4 is reduced by 60 mm.

Note: The technical performance for the combination of supply air diffuser and plenum is presented separately for the two different installations.

NS TRI (ØD2-ØD) H3 H4
200 TRI-160-200 130 249
250 TRI-200-250 160 289
315 TRI-250-315 220 339
400 TRI-315-400 265 403

Adjustment

The Halton TRS itself has no means for airflow adjustment.

In order to enable airflow adjustment and measurement of airflow rate it is recommended that the diffuser be connected to the Halton TRI balancing plenum. The supply flow rate is determined by using the MSM measurement and adjustment module.

Pass the tubes and control spindle through the cone module of the diffuser.
Measure the differential pressure using a manometer. The flow rate is calculated using the formula below.

Adjust the airflow rate by rotating the control spindle until the desired setting is achieved. Lock the damper position with a screw.

Replace the tubes and spindle in the plenum.

The k-factor for installations with different safety distances (D= duct diameter)

TRI  > 8 x D  min 3 x D 
100  6.0 7.5
125  9.9 12.6
160  16.9 21.9
200  28.3 31.0
250  47.9 51.5
315  78.6 -

Servicing

Wipe the diffuser with a damp cloth.

Option with balancing plenum

Detach the diffuser from the plenum.
Remove the measurement and adjustment module by gently pulling out the shaft (NB. not the control spindle or measurement tubes!).

Wipe the parts with a damp cloth, instead of immersing in water.
Reassemble the measurement and adjustment module by pushing in the shaft back into place until the unit meets the stopper.

Reinstall the diffuser.

Specification

The diffuser is made of painted steel with a white (RAL 9010) colour.

The diffuser is made in two sections: an outer sleeve and an inner concentric cone.

The supply air pattern is selectable for wide or narrow jet by rotating the cone module.
The angle of narrow supply air pattern is adjustable.

Order Code

TRS-D

D = Connection size
     
200, 250, 315, 400, 500
 

Other options and accessories

CO = Colour   
           W      White 
           X       Special colour

MO = Actuator Type
           NA    Not assigned
           M1    LM24A SR   (for adjusting the cone angle)
           M2    LU24A  (for turning the cone set totally around)

ZT = Tailored Product
     
      N         No
           Y         Yes

Sub Products

          TRI     Plenum (Diffusers)

Code Example

          TRS-200, CO=W, MO=NA

Downloads & Media

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