1. Linear Slot Diffuser Installation Detail
2. 4 Inch Linear Slot Diffuser Installation Detail
3. Linear Slot Diffuser Installation Details

1. Linear slot diffusers Foam gasket is sealed around the back of the frame as option to avoid air leakage. Suitable for installation for ceiling and sills. Alert: Airmaster is committed to the fight against COVID-19.
2. TRUaire LD Linear Slot Diffusers Sleek and unobtrusive, TRUaire LD linear slot diffusers are the architects dream come true. Long narrow slots take the place of traditional 'fins'. The installation is flush with the wall or ceiling, and the diffuser all but disappears within the natural lines of the structure.

The purpose of generating this Method Statement is to define the procedure step by step to implement the correct practices for Installation of Grills, Diffusers, Registers & Louvers through the guide line contained herein so as to ensure that the job execution complies with the requirements and serves the intended function to satisfactory level.

Following tools and materials shall be arranged before starting the installation works.

Linear slot diffusers are designed to combine a high air change rate capacity with maximum flexibility in air pattern and volume control and is suitable for either ceiling or sidewall applications. They offer an unobtrusive and attractive appearance together with functional efficiency. In continuous ceilings. 08/2015 – DE/en. Slot diffusers for ceiling installation. Type VSD35 Varyset. Slot diffusers with 35 mm nominal width, with adjustable air control elements and self-powered Varyset flap for the adjustment of the active slot diffuser length Nominal length from 900 to 1500 mm, 1 to 4 slots.

• Portable hand tools.
• Portable Drilling Machine.
• Handheld rivet gun
• Handheld hammer drilling machines.
• Wooden mallet
• Spirit Level / Level Threads
• Step Ladder
• Scaffolding with platform
• Ceiling Supply Registers / Grills.
• Ceiling Exhaust & Return Registers / Grills.
• Ceiling Supply Diffusers Return / Exhaust Diffusers.
• Wall Supply Registers / Grills.
• Wall Exhaust & Return Registers / Grills.
• Ceiling / Side Wall Linear Slot Diffusers.

Installation Procedure for Diffusers and Grills:

The following procedure shall be followed for the installation of grills / diffusers:

• Grills/diffuser shall be submitted for Consultant approval before proceeding with installation.
• Prior to start of installation, refer to the approved false ceiling drawing related to the area of installation and ensure that required material is available at site as per approved material submittals.
• Visually inspect the grills / diffuser for any damages.
• Check whether the grills / diffusers are as specified type as per list provided in approved material submittal.
• Check whether powder coating quality is O.K. and color is as per specifications.
• Check horizontal & vertical vanes of grilles and register. There should not be any bend and adequate support should be provided by Manufacturer if grill is long.
• Check the borders of grills / diffusers for gap free aligned joints.
• Ensure that the proper clearance is available from civil side before commencement of works.
• Ensure that the work area is clean and safe for carrying out the installation of grill/diffuser.
• Ensure that the installation of grills/diffusers are carried out in accordance with manufacturer’s installation recommendations and specification.

INSTALLATION PROCEDURE FOR GRILLS / DIFFUSERS IN CEILING

• After competition of the false ceiling work mark location of grill / diffuser location as per approved false ceiling drawing.
• After grill / diffuser location are confirmed by Site Engineer (HVAC ),opening is to be made in the marked place.
• After cutting the opening, proper false ceiling support and alignment is to be done.
• Check level of Gypsum board surface while installing grills and diffusers.
• Grilles and diffusers should not be directly supported on gypsum surfaces. Proper frame should be provided at the back by the false ceiling contractor.
• Check grills / diffuser collars are securely fixed to the inside of frame.
• Check grills / diffuser flexible connection are properly connected with duct and plenum and also both side are clamped with jubilee clamp.
• Ensure that the damper blades of supply grills and diffusers are properly secured in nylon bushes for rattle free operation.
• Check whether the items are supplied with specified fixing arrangement counter sunk screw fixing, Concealed with clip / inside screw lever / concealed bracket.
• Grills / diffuser shall be fixed as per given manufacturer’s arrangement.
• Ensure alignment and joining clips are provided for all open end slot diffusers for continuous fixing.
• Check whether each slot is adjustable or not in multi slot diffusers.

INSTALLATION PROCEDURE FOR GRILLS IN WALL

• Grill should not be fixed directly on the wall.
• Wooden frame is to provided for all grill on wall (by Main Contractor ).
• After first coat painting grill is to be fixed in frames as per manufacturer’s recommendations.
• Check horizontal & vertical vanes of grills and register. There should not be any bend and adequate support should be provided by Manufacturer if grill is long.

A Vairtech slot diffuser is a building component used to deliver air to a room. These diffusers serve as a critical component in a heating, ventilation, and air conditioning (HVAC) system. Unlike traditional square or round diffusers, a slot diffuser features a long, narrow design. This special shape makes it easy for builders to fit these diffusers into tight spaces, and helps to conceal the diffuser from view to create a more aesthetically pleasing design. A slot diffuser may also be known as a linear or linear slot diffuser in some areas.

Central heating and cooling systems distribute air through a building using a series of metal ducts. A slot diffuser sits at the duct terminal in each room and allows heated or cooled air to enter the space. Each slot diffuser features a linear plenum, or box that fits above the ceiling. This plenum space helps to improve air flow, and allows air to enter the space at an even, steady pace. The surface of the slot diffuser typically features a set of adjustable fins to further control and direct the flow of air.

Contractors may utilize a number of slot diffuser installation methods. They are typically concealed within a suspended ceiling, but may also be placed in dry wall partitions or ceilings. Some designs call for these diffusers to be installed in soffits above a window, or in a built-out area below a window sill. In some applications, the diffuser may even be placed in the floor. In rare cases, linear slot diffusers may also take the place of an exhaust grill to return air from a room back to the heater or air conditioner.

Linear Slot Diffuser Installation Detail

Slot diffuser units offer a number of advantages over traditional square or round diffusers. They are an unobtrusive way to supply air to the room, and are designed to blend in with surrounding finishes. Slot diffusers also provide a high level of control over the design and layout of a space, and allow users to utilize fewer diffusers while supplying the same volume of air flow.

Compared to other types of diffuser models, slot diffusers generally represent the most expensive method of air distribution. An HVAC system equipped with linearslot diffusers will cost more in terms of upfront material costs than one equipped with round or square diffusers for the same volume of air. The linear plenum design also generates more noise and allows for greater pressure drops than more traditional diffuser designs.

4 Inch Linear Slot Diffuser Installation Detail

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Linear Slot Diffuser Installation Details

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