WiseAir – Room Cooling CRAC

WiseAir room precision cooling CRAC unit - large data center cooling with downflow/supply/upflow air options for finance and telecom
Attom’s leading room air conditioning solutions are equipped with inverter compressors and intelligent control systems to provide high-precision, high-reliability IT environments.

A wide range of cooling systems and airflow options are available to meet the varied needs of any data center, Efficiency can be further improved with hot and cold aisle containment and free cooling solutions.

Suited for: Finance & Banking, Education, Medical, Government, Enterprise, Telecom, etc.

Leading CRAC Unit Manufacturer for Data Centers

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Product Features & Technical Specifications

Various Cooling System

Attom offers various types of cooling systems, including DX air-cooled, DX water-cooled, and chilled water-cooled options. Additionally, we provide support for hybrid dual-fluid systems, adapted precisely to deliver individual solutions tailored to your project requirements.
WiseAir comprehensive room cooling systems - DX air-cooled, DX water-cooled, and chilled water types from 5kW to 200kW for varied data center needs

DX Air Cooled

5kW-120kW

DX Water Cooled

30kW-120kW

Chilled Water

30kW-200kW
WiseAir high-efficiency CRAC - inverter compressor and EC fans with indirect free cooling (refrigerant pump) for PUE as low as 1.2

Efficiency & Reliability

  • Top components from leading brands and unique design assure high reliability of products.
  • Available in multi types of cooling systems and airflow options, it is fully compatible with hot and cold aisle systems to provide an efficient cooling environment.
  • Inverter compressor and EC fan with intelligent control system ensure precise temperature control.
  • Indirect Free Cooling with Refrigerant Pump Technology for minimizing the energy consumption of the cooling system.
WiseAir indirect free cooling CRAC - refrigerant pump technology, no water loop into server room, no dust or moisture intrusion for green data centers

Green Efficiency Free Cool

  • Indirect free cooling with refrigerant pump technology, PUE low to 1.2.
  • No water consumption during free cooling mode.
  • No water loop introduced into server room, no flooding concern.
  • Indirect type No dust, moisture concern.
  • Automatic mode switching, and no complex maintenance and service.
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.

Flexible Fans Sinking Design

The design with a flexible fan sinking function for downflow air conduction. This design not only reduces space requirements during transportation and installation but also allows for the installation of the fan under the raised floor, resulting in a higher energy efficiency ratio.
WiseAir downflow CRAC with flexible fan sinking - fans installed under raised floor for higher EER, reduces transport/installation space

All Types of Air Conduction Systems

Down Flow

Supply Flow

Up-front Flow

Up Flow

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.

W Shape Airflow Distribution

  • W shape evaporator coil, optimized even airflow distribution and better energy efficiency performance.
  • Modular design, easy to expand flexibly according to your individual needs.
  • Air filters directly covering the coils,  minimize wind resistance and increase efficiency.

Resources Download

Product Brochure

Attom WiseAir Room Cooling Brochure
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User Manual

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

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