Linear Slot Electronic VAV Ceiling Diffusers

Linear Slot Electronic VAV Ceiling Diffuser

Excl. VAT

  • Airflow direction from diffuser can be easily adjusted by the occupant.
  • Available in one or two slots and widths ranging from 660 to 1560mm.
  • Air discharge volumes from 10% to 100% can be achieved.

SKU: EFAP-34

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Overview

Rickard linear slot diffusers provide an effective means of distributing conditioned air into the perimeter zones of a building where the temperature control requirements are the most demanding. The slim, attractive shape of the diffuser ensures that its subtle design works with most architectural styles. At the same time its superior aerodynamic design ensures that the air distribution creates no drafts, is quiet and highly efficient.

Features and Benefits

Design

A linear slot diffuser must be connected to a wall thermostat (temperature sensor) for it to perform as a master diffuser. The diffuser can then operate with one or more slave diffusers, or as a standalone system. Air volume control is achieved with the opening and closing of vanes driven by an electric actuator. This increases or decreases the aperture size which varies the volume of conditioned air to enter the occupied space.

System Flexibility

Diffusers can be individually controlled by either a wall thermostat or the on-board master controller that sends its signal back to the BMS. The entire system is then monitored and changes can be made via a computer either on-site or remotely using the Rickard stand-alone software or a BMS. These intelligent VAV Diffusers operate on a low pressure ductwork design, making them highly energy efficient, but the pressure in the duct work must be controlled for optimal performance. For new installations duct design that achieves static regain is highly recommended. If retrofitting to existing ducting, a relief ring can be fitted to the diffuser to release air pressure when the diffusers close.

Air Control

Air volume control is achieved by opening and closing of the diffusers aperture which varies the volume of conditioned air to enter the occupied space. The aperture is driven by a 12V DC electric actuator which receives a signal from a Rickard diffuser’s master controller. The system is supplied with Rickard MLM software that is used for commissioning, setting diffuser parameters, monitoring the network, logging diffuser activity and converting slave diffusers to master diffusers, all from below the ceiling via a computer. The system can also be controlled through the building’s BMS.

Typical Applications

The Rickard Electronic diffuser system can be as simple as one diffuser in a single room or scaled up to work within large open areas with multiple diffusers on multi levels of a building. 60 diffusers can be accommodated on a single Rickard Master Communication Unit (MCU) and multiple MCU’s can be connected to a BMS.

Specification

Construction

Diffusers are made from sheet steel and finished in a chip resistant epoxy powder coating. Matt pen white is but specific colours can be ordered to suit the architectural requirements*. All internal components of nonmetallic construction are moulded in fire retardant Makrolon glass reinforced plastic.

Mechanism

Air volume control is achieved through the opening and closing of the air outlet mechanism within the diffuser. This mechanism is driven by an electric actuator and allows more or less air to enter the occupied space.

Power Supply Unit

The PSU is able to power up to 15 Electronic VAV Diffusers. It requires an input of 85-265 Vac and an output of 36 Vdc regulated at 1.2 Amps. Maximum operating temperature is 0°C to +50°C. The unit has an overall power consumption of 50 Watts. It features industry standard DIN rail mounting.

Testing

Methods of testing the performance of air outlets and air inlets. ANSI/ASHRAE Standard 70-2006 (RA 2011).

Typical Applications

Libraries and Archives
Libraries and Archives
Hospitals and Hospices
Hospitals and Hospices
Laboratories
Laboratories
Dental Surgeries
Dental Surgeries
Veterinary Clinics
Veterinary Clinics
Mortuaries
Mortuaries
Care and Nursing Homes
Care and Nursing Homes
Operating and Mobile Theatres
Operating and Mobile Theatres
Pharmacies
Pharmacies
Schools
Schools
Colleges and Universities
Colleges and Universities
Nurseries
Nurseries
Mobile Classrooms
Mobile Classrooms
Student Accommodation
Student Accommodation
Dark Rooms
Dark Rooms
Canteens and Food Courts
Canteens and Food Courts
Fast Food Outlets
Fast Food Outlets
Commercial Kitchens
Commercial Kitchens
Restaurants and Bars
Restaurants and Bars
Fire and Police Stations
Fire and Police Stations
Law Courts
Law Courts
Places of Worship
Places of Worship
Government Buildings
Government Buildings
Prisons and Detention Centres
Prisons and Detention Centres
Town Halls and Community Centres
Town Halls and Community Centres
Airport Terminals
Airport Terminals
Train and Bus Stations
Train and Bus Stations
Theatres
Theatres
Gyms
Gyms
Sports Centres
Sports Centres
Swimming Pools
Swimming Pools
Stadiums and Arenas
Stadiums and Arenas
Cinemas
Cinemas
Bowling Alleys
Bowling Alleys
Ice Rinks
Ice Rinks
Go Karting Tracks
Go Karting Tracks
Indoor Play Centres
Indoor Play Centres
Theme Parks
Theme Parks
Spas
Spas
Museums and Galleries
Museums and Galleries
Supermarkets
Supermarkets
Shopping Centres
Shopping Centres
Departmental Stores
Departmental Stores
Banks
Banks
Laundrettes and Dry Cleaners
Laundrettes and Dry Cleaners
Petrol Stations
Petrol Stations
Car Showrooms
Car Showrooms
Nail and Beauty Salons
Nail and Beauty Salons
Call Centres
Call Centres
Portable and Temporary Offices
Portable and Temporary Offices
Telecoms Buildings
Telecoms Buildings
Office Buildings
Office Buildings
TV and Recording Studios
TV and Recording Studios

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