Rickard Thermo-Disc VAV Diffuser
VAV Ceiling Diffusers
- Reduces the energy consumption of a building by lowering the demand on the air handling system.
- Provides the occupant with control over their specific environment (Temperature set point adjustable from 19ºC to 24ºC).
- Each unit contains its own in-built temperature sensing and volume control mechanism.
- Lightweight, easy to install and ideal as a retrofit solution.
- Available in 495 and 595mm square overall sizes and 150 to 300mm duct neck sizes.
- Square to square and square to round diffuser styles available.
- Flush to the ceiling stylish look.
- Maintains constant air movement from 100% down to 25%.
- Discharge pattern ensures the air within the space is thoroughly mixed.
- Works when system is in cooling or heating mode.
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Overview
The Rickard range of Thermo-Disc VAV ceiling diffusers help to provide an indoor environment that maintains a consistent and comfortable temperature. Diffusers only allow the required volume of hot or cold air to enter the conditioned space according to the diffuser set point. It is mechanically controlled and thermally powered which means it is easy to install and requires no external wiring or power supply.
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Features and Benefits
Design
Air volume control is achieved through the vertical up and down movement of the control disc within the diffuser. They are available in 495 and 595mm square overall sizes and 150 to 300mm duct neck sizes. They come in square to square and square to round diffuser styles. Their unique design allows them to have a flush to the ceiling clean look.
Energy Efficient
Reduces the energy consumption of a building by lowering the demand on the air handling system.
Smart Sensors
Each unit contains its own in-built temperature sensing and volume control mechanism. This system will provide the occupant with control over their specific environment (temperature set point adjustable from 19ºC to 24ºC).
Testing
Methods of testing the performance of air outlets and air inlets. ANSI/ASHRAE Standard 70-2006 (RA 2011).
Specification
Construction
Rickard Thermo-disc Diffusers are made from sheet steel and finished in a chip resistant epoxy powder coating. They come in matte white as standard but can also be ordered in colours to suit the architectural requirements. All internal components are made from non-metallic material and are moulded in fire retardant Makrolon glass reinforced plastic.
Typical Applications
Can be used for single diffuser, single room applications through to large open areas with multiple diffusers on multi levels.
Control
Air volume control is achieved through the vertical up and down movement of the control disc within the diffuser. This increases or decreases the aperture size which allows either more or less conditioned air to enter the space. The position of the control disc is varied by means of a wax filled thermal element which responds to changes in sensed room temperature. With a rise or fall in sensed temperature the wax extends or retracts the plunger, causing the mechanism to move the control disc to match the air volume requirements of the space served by the diffuser.
Typical Applications
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