Swirl Diffusers-we.. - Air Diffusion

Ceiling Swirl DiffusersModel OD-11Model OD-11 Variable Air Pattern Ceiling Swirl DiffuserDischarge type by coolingDischarge type by heating(When using a diffuser andplenum box combination, thediffuser is normally fixed to theplenum box through thespigot)All installation methods requirediffuser or plenum box /diffuser combination to besupported independently.Model OD-11DescriptionThe Model OD-11 is avariable air pattern swirldiffuser having a set ofmovable inner vanes to alterthe angle of discharge fromhorizontal to vertical, which isimperative to ensure optimumheating and cooling function.By regulating the inner vanes,varying throw discharges canbe achieved from fullyhorizontal to verticalprojection, which is importantin the heating mode. Toaccomplish this adjustmenttwo types of control areoffered, manual or electricmotor operation. Suppliedwith a circular outer tubecasing having a flush flangeand a set of movable innervanes. Typical applicationsinclude shopping malls,exhibition halls and other largeopen spaces with mountingheights of between 3 m to12m, where large air volumesand temperature differentialsare required.SpecificationMaterialOuter tube casingconstructed from aluminiumManual handle (RR)sheet with other componentsfrom sheet steel.Installation MethodsTwo alternative installationmethods are available asfollows:Direct Spigot Connection toduct.Plenum box supplied withdiffuser.1. Handle2. Fixing screwFinishWhite polyester powder coatto RAL9010 (30% gloss)Other colours are alsoavailable on request.Size RangeModel OD-11Size 125Size 160Size 200Size 250Size 315Size 400Size 500Size 630AccessoriesPerforated diffusion plateManual operating handleElectric motor operationPurpose designed plenumbox, with spigot damper ifrequired.Model Types andDimensionsModel OD-11 / R – circularvariable swirl diffuser withindividual manual adjustmentof the inner vane assembly.Model OD-11V/ / RR –circular variable swirl diffuserwith manual handleadjustment for gangedoperation of the inner vaneassembly.Model OD-11V/ / B1 –circular variable swirl diffuserwith electric motor adjustmentfor ganged operation of theinner vane assembly (LM 24motor).Model OD-11V/ / B2 –circular variable swirl diffuserwith electric motor adjustmentfor ganged operation of theinner vane assembly (LM 230motor.Model OD-11V/ / B3 –circular variable swirl diffuserwith electric motor adjustmentfor ganged operation of theinner vane assembly (LM 24-SR motor).Additional motor types B4 toB10 also available, seeordering information for typeand voltage.(Note: Motor types B4 to B10are as shown with theexception of size 630 wherean NM type motor is usedand size 800 where an AMtype motor is used).Each model may be fittedwith a perforated diffusionplate.DimensionsØDActuatorCC1ØD2Size ØD ØD2 C C1 A ef /m 2125 125 205 130 40 0.012160 160 155 250 40 0.020200 200 310 174 40 0.030250 250 400 200 40 0.048315 315 480 240 40 0.077400 400 615 265 55 0.125500 500 780 320 60 0.195630 630 940 380 80 0.310800 800 1142 555 75 0.503A ef - effective discharge area (m 2 )39