SmoothAir – Rack Mount DX Precision Cooling

SmoothAir rack mount precision cooling system - top/bottom packaged or rack split type for small data center and edge network closets
The SmoothAir rack precision cooling series is engineered for energy efficiency and reliability in small to medium-sized data centers, edge spaces, and network closets. Available in top-packaged (2.5-5.5kW), rack-split (3.9-12.8kW), and bottom-packaged (3.5kW) configurations, these units feature inverter compressors and EC fans for precise temperature control and lower operating costs.

The intelligent control system supports web, SNMP, and Modbus remote monitoring, with 1,000+ alarm records and 7-day data logging. Green R410A refrigerant ensures zero ozone depletion potential (ODP). A built-in condensate evaporation system simplifies maintenance and prevents leakage.

Application: Network Closets, Small Server Room, Edge Spaces, etc.

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Product Features & Technical Specifications

SmoothAir top packaged rack cooling unit - 2.5-5.5kW capacity, 9-12U height, no IT space occupation for edge deployments

Top Packaged Type

2.5-5.5kW (9U-12U)

Top mount packaged design, no occupying of IT space, easy for installation, service and shipping.

SmoothAir rack split precision cooling - 3.9-12.8kW, 6-12U indoor unit with outdoor compressor, low noise for small server rooms

Rack Split Type

3.9-12.8kW(6U-12U)

Standard rack mount structure, Compressor locating in outdoor unit  lowers the noise level. Front air outlet suitable for installation on flexible height in a rack.

SmoothAir bottom packaged rack cooling unit - 3.5kW, 8U height, air cooled with no water leak risk for network closets

Bottom Packaged Type

3.5kW (8U)

Air cooled package type cooling unit, mounted at bottom of rack. no concern of water leak, no complex installation.

High-efficiency hot-climate cooling - inverter compressor and EC fans with hot/cold aisle compatibility for energy-saving precision cooling

Energy Efficiency

  • Industry top brand Inverter compressor and EC fan works at high efficiency, maintains temperature within envelop and prevent compressor from cycling during low heat load period.
  • Compatible with standard rack size to form seamless hot/cold aisle containment, optimize cooling effiency.
  • R410A green refrigerant is highly efficient and no ODP.
Smoothair smart controller for wall mount cooling - Web/SNMP/Modbus monitoring, 1000+ alarms, 7-day history records, and teamworking modes

Intelligent Control System

  • Industry leading smart control system, with insightful sensor data and intelligent control logics.
  • All digital control to major components, maintaining optimum working status, and flexible adjustment per onsite working conditions.
  • 1000+ alarm records, and 7days history pressure curve records, 7days history temperature curve records.
  • Smart monitoring protocols: Web/SNMP/Modbus/Bac-net/Email/Dry contact/IPV6.
  • Teamwork function including Master/Slave Working mode, Master Control mode and Force Working mode.
  • Built in web server support visit with web-browser from computers and mobile devices, can view ,control unit through web.
SmoothAir built-in condensate evaporation system - evaporates drips into steam, prevents water leakage for packaged rack cooling units

Condensate evaporation System

Built in the cooling unit, helps the condensate to evaporate into steam, which is discharged out of the machine through the fan of the condenser. preventing any dripping on the inside and outside of the unit.

(Only used for packaged type cooling)

Key Components

SmoothAir inverter compressor for rack cooling - 30%-100% capacity modulation, R410A refrigerant for stable temperature control and energy saving

Inverter Compressor

  • Stable temperature control per heating load by adjusting compressor output.
  • Reducing energy cost and improve compressor working life.
  • Green refrigerant R410A no ODP effect.
  • Capacity adjustable 30%-100%.
SmoothAir EC fans for precision cooling - speed 0%-100% adjustable, direct drive, high external static pressure for flexible rack deployment

EC Fans

  • Best in class design and reliability.
  • Highest efficiency EC Fan system.
  • Speed adjustable 0%-100%.
  • Direct drive system no belts easier replacement and service.
  • Higher external static flexible for special application.
SmoothAir electronic expansion valve - automatically adjusts refrigerant flow, improves COP in low-temperature seasons, ensures compressor startup reliability

Electronic Expansion Valve

  • Automatically modulating refrigerant flow per system requirement.
  • Better COP performance during low temperature season comparing TEV system.
  • Better refrigerant flow feeding during compressor startup, to reach higher reliability of compressor working.

Resources Download

Product Brochure

Attom SmoothAir Rack Cooling Brochure
Download PDF

User Manual

Attom SmoothAir Modular Cooling User Manual
Download PDF
Please contact ATTOM customer support to download the PDF manual.

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