Background
Airsys School Air Solution products include a range of field-installed accessories designed to ensure smooth operation, enable seamless integration with existing structures, and allow quick adaptation to design changes and client requirements
Wall Curb Adapter
The wall curb adapter is installed behind unit and wall. It can be used separately or in conjunction with the adapter extension
- When used independently, it facilitates horizontal airflow from the air vents of the unit, with adjustable air directions.
- When used with adapter extension, it can direct horizontal airflow to the top of the wall curb adapter through the top air outlet, reduce air supply noises, and ensure more even airflow distribution.

Wall Curb Adapter Extension
The adapter extension can be used with both the wall curb and the top discharge adapter
- When used with a wall curb, it delivers higher horizontal airflow directly above the outdoor unit, reduces air supply noises, and ensures even airflow distribution, as previously mentioned.
- When used with the top discharge adapter, it provides high horizontal airflow directly from the top of the outdoor unit, depending on the site application. The adapter extension can be used with both the wall
curb and the top discharge
adapter.

Top Discharge Adaptor
The top discharge adapter, used together with the adapter extension, increases the height of horizontal airflow by redirecting it from a horizontal to a vertical direction at the top of the outdoor unit. This design allows users to route airflow either vertically or horizontally through air duct depending on site requirements.

Free Discharge Plenum
The free discharge plenum delivers horizontal airflow directly from the top of the indoor HVAC unit and includes an adjustable grille.

Base Extension
Base extension elevates the indoor unit when needed. The extension supports the weight the unit and provides cable entry. Available in 6, 9, and 14in height

Top Cover Panel
Covers transitions to ducting from the top of the unit. Can be custom cut in the field for flexible height.
Maximum height 8in

Side Cover Panel
Covers side transitions to walls. Can be custom cut in the field for flexible height.
Available in 6 or 10in width. Maximum height: 72in

Window or Wall Duct Frame
Window or wall duct frame allow smooth wall/window transition to the exterior of the building and separates exhaust air from fresh air intake to ensure efficient operation.
Available for 8 or 13in window or wall depth. Min window width: 42.5in

