Ceiling air diffuser AR 883

circularfor air supply and exhaust

Air supply: adjustable swirl jet. High mixing capacity for rapid temperature balancing. Ideal for air conditioning systems with high temperature difference in high-ceiling buildings. Adjustable diffusion with motorised option for optimised operation in both winter and summer. Ceiling-mounted. AR 883 : With motor option. AR 883 Thermo : Adjustable angle on blades automatic according to air supply temperature for optimised operation in winter and summer. No electrical connections required. Dimensions : Diameters from 250 to 630 mm. Construction : Aluminium body and diffusion vanes. AR 883 : Blades mounted on gear enabling 90° rotation. AR 883 Thermo : Heat-sensitive spring made of nickel-titanium alloy enabling automatic adjustment of blade angles according to air supply temperature: : Winter (heating) position for delamination of warm air. Summer (cooling) position to ensure perfect control of air speeds in occupied areas. Winter and summer diffusion angles adjustable on site using screws to ensure ideal installation. Finish : Steel with epoxy paint finish, RAL 9010 White, 30% matt or paint finish from RAL colour chart. Attachment : AR 883 : Concealed screw attachment on the side of the neck. Connection to circular duct. AR 883 Thermo : Concealed screw attachment in neck of plenum. The plenum is equipped with brackets for attachment to a concrete ceiling. Accessories : LRE: connection plenum (side connection) made of galvanised steel. On/Off or proportional motors (24 V or 230 V) to orient blades (AR 883 only).