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Halton Jaz JCC – Diffuser

This Halton Jaz diffuser is ideal for renovated buildings and cabins due  to the low construction size of the product. It is also available in stainless steel which gives the product an esthetical outlook, perforated options also available.

  • Ceiling diffuser with side slot in square and circular shape
  • Deflector panels available for selection of flow pattern in 1-4 directions

Link to Revit object (MagiCAD Cloud)

 

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Overview

Features

  • Ceiling diffuser with side slot in square and circular shape
  • Low construction height minimizes the installation space
  • Diffuser is available for air supply and exhaust
  • Installation either directly to ductwork or to balancing plenum
  • Detachable front panel enables the cleaning of the diffuser and ductwork
  • Deflector panels available for selection of flow pattern in 1-4 directions

Accessories

  • Deflector panel to provide control for flow pattern direction
  • Balancing plenum with measurement and adjustment functions
  • Installation panel for modular ceiling
  • Control knob when in use with cabin units (ships and ferries)

Product models

  • Square, with solid or perforated front panel
  • Circular, with solid or perforated front panel
  • Direct installation to the standard T-bar ceiling opening
  • Material alternative in stainless steel (EN1.4404/AISI316L)

Operating principle

Air is supplied into the space through the side slots and mixed with the room air outside the diffuser.
Recommended maximum air temperature difference between supply and room air is 10 °C.

The throw pattern can be deflected in different (1, 2 and 3) directions with the deflection parts (included in delivery).
Deflection part not needed for 4 direction supply or exhaust airflow .

Features and options

Accessory Code Description
Deflector part DP A set of parts for providing the flow pattern in 3, 2 and 1  directions (not needed for 4 direction flow). See Fig.1.
Balancing plenum PDI For balancing and equalising the airflow and attenuating the duct noise
Installation panel PI-N For standard 600×600 module ceiling installation, colour white (RAL 9003). See Fig.2. and 3.
Control knob CK For controlling cabin unit (ships and ferries). See Fig.4.


Fig.1. Deflector part attached to diffuser (DP)

 
Fig.2. Square diffuser with installation panel (PI)


Fig.3. Circular diffuser with installation panel (PI)


Fig.4. Diffuser with control knob (CK)

Quick selection

Values with adjustment module (MSM) fully open.


Fig. 5. Quick selection for square front panel (models A and C), supply with unit l/s

 


Fig. 6. Quick selection for circular front panel (models B and D), supply with unit l/s

 


Fig. 7. Quick selection for square front panel (models A and C), supply with unit m3/h

 


Fig. 8. Quick selection for circular front panel (models B and D), supply with unit m3/h

Stucture and materials

Key  Part  Material  Note
1  Duct seal gasket  Rubber  –
2  Upper plate Steel or stainless steel
(EN1.4404/AISI 316L)
Powder paint, white (RAL 9003)
Special colours available on request
3  Spring lock Steel or stainless steel
(EN1.4404/AISI 316L)
 –
4  Deflector part  Foamed plastic  –
5  Front panel Steel or stainless steel
(EN1.4404/AISI 316L)
Powder paint, white (RAL 9003)
Special colours available on request

Note: Same material options available for circular and square models.

Dimensions and weight

Halton Jaz JCC, square model (A,C)

Halton Jaz JCC, circular model (B,D)

Halton Jaz JCC, square ceiling integrated model (WS)

Halton Jaz JCC, circular ceiling integrated model (WS)

NS W
[mm]
ØD
[mm]
Weight,
square
[kg]
Weight,
circular
[kg]
Weight,
square
+ WS
[kg]
Weight,
circular
+WS
[kg]

100 300 99 1.4 1.2 3.6 3.4
125 300 124 1.4 1.2 3.6 3.4
160 300 159 1.4 1.2 3.6 3.4
200 450 199 2.9 2.3 4.9 4.4
250 450 249 2.8 2.3 4.9 4.4

Halton Jaz JCC with Halton Pop PDI plenum

Fig. 9. Halton Jaz JCC with Halton Pop PDI plenum, externally positioned connection spigot

 


Fig. 10. Halton Jaz JCC with Halton Pop PDI plenum, internally positioned connection spigot

JCC W
[mm]
PDI ØD
[mm]
ØD1
[mm]
L
[mm]
W1
[mm]
H
[mm]
L1
[mm]
Weight,
square
[kg]
Weight,
circular
[kg]
100 300 100-100 99 102 308 282 172 168 4.1 3.9
125 300 100-125 99 127 308 282 172 168 4.1 3.9
300 125-125 124 127 308 282 172 168 4.2 4.0
160 300 125-160 124 162 308 282 172 168 4.1 3.9
300 160-160 159 162 458 358 239 280 6.4 6.2
200 450 160-200 159 202 458 358 239 280 7.8 7.2
450 200-200 199 202 458 358 239 280 7.9 7.3
250 450 200-250 199 252 458 358 239 280 7.7 7.2
450 250-250 249 252 520 480 359 280 11.0 10.5

Product models


Fig.11. Halton Jaz JCC, square with solid front panel (A)


Fig.12. Halton Jaz JCC, circular with solid front panel (B)


Fig.13. Halton Jaz JCC, square with perforated front panel (C)


 Fig.14. Halton Jaz JCC, circular with perforated front panel (D)


Fig.15. Halton Jaz JCC, square solid ceiling integrated model (WS=T)


 Fig.16. Halton Jaz JCC, circular solid ceiling integrated model (WS=T)

Specification

The diffuser is made of painted steel with a white (RAL 9003) standard colour or stainless steel (EN1.4404/AISI 316L). Air is introduced into the space through the side slot, ensuring a high mixing rate. The flow pattern of the diffuser is as standard for 4 directions. It is adjustable in 1, 2, or 3 -way directions by shaping the deflector.

Alternative 1: Without balancing plenum

The diffuser has a spigot with integral gasket for connection to circular duct.
The diffuser has a detachable solid or perforated front panel to provide access to the duct.

Alternative 2: With balancing plenum

The diffuser is connected to a balancing plenum equipped with a measurement and adjustment module.
The diffuser has a detachable solid or perforated front panel 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 or mineral wool.

Installation


Fig. 17. Halton Jaz JCC diffuser with square front panel connected to a Halton Pop PDI plenum

The diffuser is connected usually to balancing plenum Halton Pop PDI. Alternatively, it can be connected direct to the duct by riveting or screwing. In that case, minimum safety distance to the next T-branch or curve is three times the duct diameter (3xD).

The desired flow pattern is selected during installation with the deflector parts, according to the installation manual. In exhaust application the deflector part is not used.

Commissioning


Fig. 18. Adjustment of airflow of diffuser and plenum combination

Airflow control

The diffuser itself has no airflow adjustment. To adjust and measure the supply airflow rate, the diffuser shall be combined with Halton Pop PDI balancing plenum with measurement and adjustment module MSM. In case of exhaust air, use of adjustment module MEM is recommended. It is not possible to measure exhaust airflow rate with adjustment module MEM.

Open the front plate and pass the tubes and control spindle through the front panel (Fig. 18.). Replace the front panel. Measure the differential pressure with a manometer. The flow rate is calculated using the formula below:

where

  • qv           Airflow rate [l/s] or [m3/h]
  • ∆pm      Measured pressure [Pa]
  • k            The k factor (see the table below)

Adjust the airflow rate by rotating the control spindle until the desired airflow rate (pressure difference) is achieved.

Set the tubes and spindle back into the plenum. Damper position can be locked with a knurled head screw of the adjuster.

Duct connection (PDI) k factor of MSM adjuster, opening >0 [l/s]
> 8D Min. 3D
100 5.7 7.5
125 9.6 12.6
160 16.4 21.9
200 26.3 31.0
250 47.1 51.5
315 78.8

 

Duct connection (PDI) k factor of MSM adjuster, opening >0 [m3/h]
> 8D Min. 3D
100 20.6 27.0
125 34.4 45.4
160 59.0 78.8
200 94.8 111.6
250 169.5 185.4
315 283.6

Maintenance

Open the front panel of the diffuser and clean the parts by wiping them with a damp cloth.
Push the front panel back into place so that the springs lock.

Option with balancing plenum

Open the front panel of the diffuser.

Remove the measurement and adjustment module by gently pulling the shaft.
Note: 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.
Push the front panel back into place so that the springs lock.

Order code

JCC/M-D, MA-CO-WS-ZT

Main options
M = Model
A Square with solid front panel
B Circular with solid front panel
C Square with perforated front panel
D Circular with perforated front panel
D = Diffuser duct connection size [mm] 100, 125, 160, 200, 250
Other options and accessories
MA = Material
ST Steel
AS Stainless steel (EN1.4404/AISI 316L)
CO = Colour
SW Signal white (RAL 9003)
X Special colour (RAL xxxx)
NA Not assigned
WS = Ceiling integration model
NA Not assigned
T T-bar ceiling, tile 600×600 (standard)
DP = Deflection parts
Y Yes
N No
CK = Control knob (for cabin units only)
N No
Y Yes
ZT = Tailored product
N No
Y Yes (ETO)
Sub product (ordered separately)
PI-N Panel for T-bar ceiling installation
Halton Pop PDI Balancing plenum

Order code example

JCC/A-200, MA=ST, CO=SW, WS=NA, ZT=N

Downloads

  • Halton Jaz JCC – Diffuser

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  • Halton Jaz JCC – Hajottaja

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  • Halton Jaz JCC – Fiche technique

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    Français (fr)
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  • Installation and maintenance guide – Halton Jaz Cloud Ceiling (JCC)

    Data

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