Data halls
Fan-wall data center
Fan walls supply air horizontally across contained rack rows, without requiring a raised floor.
- Cooling approach
- Fan-wall cooling with hot-aisle containment
- Deployment
- Modular halls with room-level air cooling
- Solution planning range
- Up to 25 kW per cabinet
Overview
Organize the supply and return air paths
Enclosed hot aisles collect server exhaust while fan-wall units circulate cooling air across the rack rows. This horizontal airflow layout does not require a raised floor.
Rack modules
Enclose the hot aisles
Coordinate the rack rows and containment with access doors and maintenance routes.
Room airflow
Use horizontal air distribution
Place the fan walls to serve the rack inlets and receive the contained return air.
Cooling interfaces
Coordinate the site connections
Confirm how the fan walls connect to the facility cooling system and define duty and standby operation.
Reference configuration
Two forty-cabinet modules
Example layout with two enclosed-hot-aisle modules. Confirm whether the four listed fan-wall units serve one module or both during equipment selection.
In this example
- Per cabinet in this example
- 10 kW
- Cabinets per module
- 40
- Heat load per module
- 400 kW
- Combined heat load
- 800 kW
Scroll the table to see all columns
| Equipment | Model | Quantity | Duty / standby |
|---|---|---|---|
| Fan-wall cooling | HPS300CW | 4 | 3 + 1 |
Duty + standby: 2 + 1 means two duty units and one standby unit.
This example is not a fixed bill of materials. Final equipment selection, capacity and redundancy depend on the IT requirements and site operating conditions.
Technology
Inside the system
Horizontal supply air without a raised floor
The fan-wall design uses horizontal, distributed air supply and enclosed hot aisles. A large heat-exchange surface and a low-air-resistance coil support the airflow strategy.
| Design feature | Reference comparison |
|---|---|
| No raised floor; horizontal distributed supply | Up to 10% lower cooling-system cost |
| Large heat-exchange area and low-resistance coil | 50% lower fan power consumption |
| Cooling capacity per unit of width | 66% increase |
| Computing capacity | 30% increase |
Related equipment
Explore the product families
Plan your project
Start with your requirements
Share your deployment needs to discuss the right configuration.
Talk to our teamUseful details to include
- Rack count, actual heat loads and module layout
- Supply and return paths, containment and service access
- Facility cooling connections and required standby capacity