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VAV Systems & Diffusers

Features
• Wall-mounted thermostat control
• Powerful, low voltage actuator
• True variable air volume (VAV) in heating and cooling modes
• Maximum air volume range is from 118 to 900 CFM
• Suitable for lay-in ceilings
• Adjustable minimum and maximum air flows
• Unitary stamped seamless backcone with removable face plate
• Steel construction with baked white enamel finish
• 4-way discharge pattern

The Comfort System¿ VAV Diffuser is used to vary the supply air volume from a wall-mounted thermostat. This diffuser is designed to maintain coanda effect (draft free) of discharge air along the ceiling, providing a sustained discharge velocity throughout the volume range. Operating the diffuser from an individual wall-mounted thermostat enables users to choose their own desired comfort level. The wall- mounted thermostat will give closer temperature control and eliminate the need for a step ladder to adjust the setpoint in the diffuser itself.

Technical Information : VAV Systems & Diffusers

• VAV Systems & Diffusers Technical Data Sheet

Operation

Diffusers incorporate an integral modulating disk that continually regulates the volume of supply air in response to a wall-mounted thermostat

Available Sizes & Models

• 6¿ to 14¿ neck sizes for nominal 24¿ x 24¿ face size
• 6¿ and 8¿ neck sizes for nominal 12¿ x 12¿ face size
• Surface-mount or perforated face

Diffuser Control Options

• Pneumatic actuator
• Electronic actuator
• Lon Works compatible
• Custom mounting of BAS controls
• Manually adjustable volume controller

Air Handler Control Options

• Master thermostat
• Standard VAV controller (55° discharge air)
• Changeover VAV controller (heating & cooling VAV)

Engineering and Technical Support

All of our products are supported with strong engineering and technical support.

VAV Diffuser

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VD-06
2' x 2' VAV Diffuser with 6" Neck

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VD-06-SD
2' x 2' Slave VAV Diffuser with 6" Neck

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VD-08
2' x 2' VAV Diffuser with 8" Neck

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VD-08-12x12
12" x 12" VAV Diffuser with 8" Neck

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VD-08-SD
2' x 2' Slave VAV Diffuser with 8" Neck

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VD-08-SD-12x12
12" x 12" Slave VAV Diffuser with 8" Neck

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VD-10
2' x 2' VAV Diffuser with 10" Neck

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VD-10-SD
2' x 2' Slave VAV Diffuser with 10" Neck

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VD-12
2' x 2' VAV Diffuser with 12" Neck

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VD-12-SD
2' x 2' Slave VAV Diffuser with 12" Neck

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VD-14
2' x 2' VAV Diffuser with 14" Neck

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VD-14-SD
2' x 2' Slave VAV Diffuser with 14" Neck

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VAV Diffuser

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