TSR - Swirl diffuser

Circular swirl diffuser for ceiling installation

Draught free circular diffuser.

  • Horisontal air supply
  • Air velocity is effectively reduced due to high mixing effect
  • Circular duct connection with gasket

Accessories

  • Balancing plenum with measurement and adjustment functions
  • Mounting bracket for plenum installation

The diffuser is made of epoxy-painted steel with a white (RAL 9010) standard colour.
The swirl diffuser has fixed spiral blades ensuring a high mixing rate.
 

Alternative 1: No balancing plenum

The diffuser has a steel casing and front vane panel and a spigot with integral gasket for connection to the circular duct.
 

Alternative 2: Option with balancing plenum

The diffuser is connected with a mounting bracket to a balancing plenum equipped with a measurement and adjustment module.
The diffuser is detachable to provide access to the measurement and adjustment module in the plenum.

The balancing plenum has a spigot with integral gasket for airtight duct connection.
The balancing plenum comprises sound attenuation material made of polyester fibre with a washable surface.

Halton TSR

Circular swirl diffuser

  • Horisontal air supply
  • Air velocity is effectively reduced due to high mixing effect
  • Circular duct connection with gasket

Accessories

  • Balancing plenum with measurement and adjustment functions
  • Mounting bracket for plenum installation
      

Dimensions

 

NS ØW H H1 ØD
125 200 56 28 123
160 250 66 35 158
200 300 75 43 198
250 350 75 43 248
315 450 90 50 313

Material

 Part  Material  Note
 Casing  Steel  
 Front vane panel  Steel  
 Coupling sleeve with gasket  Galvanised steel  Gasket of rubber compound
 Mounting bracket  Galvanised steel  
 Finishing  Epoxy-painted
 White (RAL 9010)
 Special colour available

Accessories

 Accessory Code  Description
 Balancing plenum TRI  For balancing & equalising the airflow
 and attenuating the duct noise
 Mounting bracket BR  Bracket for plenum installation


Product models

 Code  Description
 TSR/A  Standard model
 TSR/B  Model adapted to be fixed on a plaster ceiling

Function

  • Horisontal radial swirl jet is supplied into the space through the profiled spiral blades of the diffuser.
  • Supply air jet velocity is efficiently reduced due to the high mixing effect.

Installation

Code description
1.   Plastic plug
2.   Central fixing screw
3.   TSR diffuser
4.   Mounting bracket
5.   TRI plenum

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

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

Installation with plenum TRI
 

The mounting bracket should be used for installing Halton TSR to TRI plenum to allow easy diffuser removal.

The collar of Halton TRI plenum can be installed either internally in the plenum or externally on the bottom of the plenum. The height of the unit for the extern al installation is presented in the table below. When the collar is installed internally, the total height H1 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.
 

ØD ØD1 TRI H1 W1
125 100 TRI-100-125 246-276 170
125 125 TRI-125-125 276-306 170
160 125 TRI-125-160 276-305 210
160 160 TRI-160-160 316-346 210
200 160 TRI-160-200 316-346 250
200 200 TRI-200-200 366-396 250
250 250 TRI-250-250 366-396 300
250 250 TRI-250-250 430-460 300
315 250 TRI-250-315 430-460 390
315 315 TRI-315-315 476-506 390

Adjustment

The Halton TSR itself has no means for airflow adjustment.

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

Detach the diffuser and pass the tubes and control spindle through the blades of the diffuser and replace the diffuser.
Measure the differential pressure with 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 into the plenum.
 

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

TRI >8xD min 3xD
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 retaining mounting bracket. Remove the measurement and adjustment module by gently pulling the shaft (NB not the control spindle or measurement tubes!).

Wipe the parts with a damp cloth, instead of immersing in water.
Remount the measurement and adjustment module by pushing in the shaft until the unit meets the stopper. Replace the diffuser.

Specification


The diffuser is made of epoxy-painted steel with a white (RAL 9010) standard colour.
The swirl diffuser has fixed spiral blades ensuring a high mixing rate.
 

Alternative 1: No balancing plenum

The diffuser has a steel casing and front vane panel and a spigot with integral gasket for connection to the circular duct.
 

Alternative 2: Option with balancing plenum

The diffuser is connected with a mounting bracket to a balancing plenum equipped with a measurement and adjustment module.
The diffuser is detachable to provide access to the measurement and adjustment module in the plenum.

The balancing plenum has a spigot with integral gasket for airtight duct connection.
The balancing plenum comprises sound attenuation material made of polyester fibre with a washable surface.

Order code

TSR/S-D


S = Model
      
A     Standard
       B     Model adapted to be fixed on a plaster ceiling

 D = Connection size
      
125, 160, 200, 250, 315
 

Other options and Accessories

CO = Colour
         
W      White

ZT  = Tailored product
          N      No
          Y      Yes
 

Sub products

          TRI  Plenum (Diffusers)
 

Code example

         TSR/A-125, CO=W, ZT=N

Downloads & Media

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