ZCI - Halton Zen Circle

Displacement ventilation unit

This circular displacement ventilation unit is an excellent choice for middle space positioning.

  • Capable of alarge supply airflow range
  • Uniform supply air distribution is achieved through small perforations, providing optimal conditions in the immediate proximity of the diffuser.
  • Low velocity air is diffused at the floor level, making the unit suitable for positioning in the centre of a space.
  • The air flow is patterned for 360 degrees of diffusion, enabling large airflow rates with low residual velocities in the occupied zone.
  • The detachable front plate enables cleaning of the unit and ductwork
  • Circular duct connection with an integrated rubber gasket on the top/bottom.

Product models and Accessories

  • Model with lipstick, flat or round cap top cover
  • Model with stainless steel (AISI 316) design
  • Model with thick front panel (1.5 mm)
  • Air flow equalization plate when ducted from bottom
  • Duct cover
  • Installation base (standard or high store model)

The Halton Zen Circle displacement ventilation supply unit is made of galvanised steel, polyester-epoxy-painted with a white (RAL 9010) colour.

The unit has a robust maintenance free, non-clogging design.

The unit is comprised of a detachable, perforated front panel, removable service plate,
a plastic internal fixed flow equalisation element, and casing.

The unit has a circular duct connection at the top or bottom depending on the location of the unit.

Mounting brackets are included in the delivery, srcews not.

Options

The unit can be equipped with a duct cover and/or installation base, where required.

The top cover of the unit can be replaced by plastic lipstick, flat, or round cap part with white colour and gloss same as standard metal parts. Additionally, different colours and surface patterns are available on separate request.

The front panel of the unit is available of 1.5mm thick galvanised steel for demanding spaces.

Halton Zen Circle

ZCI - displacement ventilation unit

  • Capable of a large supply airflow range
  • Uniform supply air distribution is achieved through small perforations, providing optimal conditions in the immediate proximity of the diffuser.
  • Low velocity air is diffused at the floor level, making the unit suitable for positioning in the centre of a space.
  • The air flow is patterned for 360 degrees of diffusion, enabling large airflow rates with low residual velocities in the occupied zone.
  • The detachable front plate enables cleaning of the unit and ductwork
  • Circular duct connection with  an integrated rubber gasket on the top/bottom. 

Product models and accessories

  • Model with lipstick, flat or round cap top cover
  • Model with stainless steel (AISI 316) design
  • Model with thick front panel (1.5 mm)
  • Air flow equalization plate when ducted from bottom
  • Duct cover

Dimensions


 

   NS

  ØW  H  ØD
  125  320   600  124
  160  360   600  159
  200  360  1000  199
  250  410  1200  249
  315  475  1600  314
  400  560  1600  399
  500  660  2000  499
  630  790  2000  629
  •  AB/ZCI installation base: height = 100 mm
  •  SB/ZCI installation base, high (store) model:
                Height = 200 mm, W=W+120

Material

 Part  Material  Note
 Front panel  Perforated galvanised steel  Stainless steel AISI 316
 as option
 Casing  Galvanised steel  Stainless steel AISI 316
 as option
 Flow equalisation
 element
 Plastic net  
 Pressure measurement pipe  Plastic  
 Spigot  Galvanised steel  
 Gasket  Rubber compound  
 Optinonal top cover  Plastic  
 Installation base  Galvanised steel  
 Finishing  Polyester-epoxy-painted
 White RAL 9010 (30% gloss)
 Special colours available

Accessories

 Accessory Code  Description  Note
 Duct cover (1) DC  Standard lengths
 500 / 1000 / 1500  /2000 mm
 
 Installation base (2) AB  Standard height 100 mm  
 Installation base SB  Standard height 200 mm/
 Dimensions = unit size + 60 mm
 High (store) model

Product Models

  • Model with stainless steel (AISI 316)
  • Duct cover (DC) made of perforated steel (same as ZCI-unit)
  • Thick front panel (1.5 mm)
  • Air flow equalization plate when ducted from bottom
  • Top cover model with lipstick (1), flat  (2) or round cap (3)

Function

Air is supplied into the space uniformly through the front panel of the unit,  generally at a slightly lower temperature than the room air. The supply air flows down to the floor level, before gradually pervading the occupied  zone at a low velocity. Finally the convection of warm surfaces causes the air to rise out of the occupied zone. The low velocity flow pattern is circular (360°). The low velocity flow pattern is directed forward.

The non-clogging unit can be easily opened and cleaned.

Halton PRA or PTS/C can be used as an airflow adjustment damper in duct.
The safety distance for reliable air flow measurement from the displacement unit
is 5 duct dimensions between displacement unit and air flow adjustment damper.
If air flow adjustment damper is installed closer to the displacement unit
(minimum distance about 3 duct dimensions), supply air throw pattern is correct,
but air flow measurement result will not be accurate. 
When installing air flow adjustment damper close to the displacement unit
(minimum 3xD), attenuator could be needed between the damper and the
displacement unit.

 Note: The flow pattern data has been defined for floor installation.

Installation

 

Perform the installation in the following order:

A)  Without AS/AB base:
         Open diffuser and fix onto floor with screws (not included in delivery)

     With AS/AB base:
         Fix 3 mounting brackets (2) on to floor and then fix AC/AB base cover (1)
         onto these.

B)  After installation of ductwork (7)  position the DC duct cover as follows:
          Position the fixed half of the DC (5) so that joint of the unit and DC
          are in same position.  Install brackets (6) into DC
          Position and fix the other opening half of the duct cover (4)

Adjustment

The supply flow rate is determined by measuring the differential pressure from the measurement nipple with a manometer.Use a measurement probe thin enough fit into the nipple. Then use tape or another gasket to create a seal in the nipple in order to get an accurate reading.

The flow rate is calculated using the formula below:

The values for k factor for formula
(D = duct diameter) 

D k
125 12.0
160 21.1
200 31.9
250 51.3
315 78.9
400 119.7
500 182.6
630 257.8

Servicing

Code Description
1.   Front panel
2.   Detachable service plate
3.   Casing

Open the front panel (1) by carefully pulling the spring connections out. Unscrew the service plate (2) screws and remove the plate. If required, the flow equalization nets can be detached.

Wipe the parts with a damp cloth. Do not immerse in water.

Reassemble after cleaning in reverse order. 

Specification

The displacement ventilation supply unit is made of galvanised steel, polyester-epoxy-painted with a white (RAL 9010 / 30%) colour.

The unit has a robust maintenance free, non-clogging design.

The unit is comprised of a detachable, perforated front panel, removable service plate,
a plastic internal fixed flow equalisation element, and casing.

The unit has a circular duct connection at the top or bottom depending on the location of the unit.

Mounting brackets are included in the delivery, srcews not.

Options

The unit can be equipped with a duct cover and/or installation base, where required.

The top cover of the unit can be replaced by plastic lipstick, flat, or round cap part with white colour and gloss same as standard metal parts. Additionally, different colours and surface patterns are available on separate request.

The front panel of the unit is available of 1.5mm thick galvanised steel for demanding spaces.

Order Code

ZCI-D

D = Diameter of duct connection
      125,160, 200, 250, 315, 400, 500, 630

Other options and Accessories

MA = Material
         CS     Steel
         AS     Stainless steel, AISI 316

TP = Front panel thickness 1.5 mm
        N       No
        Y       Yes

CO = Colour (metallic parts)
         W    White
         X     Special colour

TM = Top cover (in the opposite end of duct connection)
          F     Flat (standard)
          L      Lipstick cap
          C     Flat cap
          R     Round cap

BM = Installation
         T      Ducting from top
         B      Ducting from bottom

ZT  = Tailored product
         N          No
         Y          Yes

Sub products

            DC    Duct cover 
            AB    Standard base
            SB    High store base

Code example

            ZCI-200, MA=CS, TP=N, CO=W, TM=F, BM=0, ZT=N

Downloads & Media

Halton ZCI - fr
Type
Datasheet
Language
French (France)
Size
1.4 MB
Halton ZCI - fi
Type
Datasheet
Language
Finnish (Finland)
Size
318.8 kB
Halton ZCI - se
Type
Datasheet
Language
Swedish (Sweden)
Size
321.4 kB
Halton ZCI - GB
Type
Datasheet
Language
English (United Kingdom)
Size
1.2 MB
Halton ZCI - nl
Type
Datasheet
Language
Dutch (Netherlands)
Size
330.9 kB