Cooling Infrastructure for Data center

Cooling Infrastructure for Data center

Energy efficient cooling is critical to building more sustainable data center operations. Technoscope Infotech has been a trusted partner to the IT industry, working with customers to design reliable, environmentally friendly data center cooling systems. With help of certified data center specialist in the team, we offer expertise to enable new opportunities for cooling with energy savings in server rooms of all sizes, all around the globe.

Computer Room Air Conditioner (CRAC)

A CRAC unit is similar to traditional air conditioning. It is designed to maintain the temperature, air distribution and humidity in a data center’s computer rooms. CRAC units use a direct expansion refrigeration cycle. Air is cooled by blowing over a cooling coil. The cooling coil is filled with refrigerant, which itself is kept cool by compression. The extra heat is ejected using a glycol mix, water or ambient air.

CRAC cooling units can be used to pressurize the spaces below the floors. They vent out cool air through perforated tiles into the server intakes. After moving through the server, the cool air is pushed out as hot exhaust and returned to the CRAC unit for cooling. Newer models of CRAC units can vary the airflow with the assistance of multistage compressors. However, most older models only have on/off capability. This method of cooling works best for small and low-density data centers.

Computer Room Air Handler (CRAH)

CRAH cooling units have a similar function to chilled water air handling units in buildings. Like CRAC systems, these units use fans to blow air over cooling coils to remove excess heat. However, these cooling coils are filled with chilled water rather than refrigerant. The chilled water typically comes from a separate chiller or chilled water plant. The unit draws in warm air from the computer room, and the air flows over the chilled water coils. Heat transfers from the air to the water, which then returns to the chiller. CRAH units can regulate fan speed, ensuring humidity and temperature levels stay stable while also allowing variability.

This type of cooling is typically used in mid-to-large-sized data centers. The air used is classified as “free” air, which can mean lower cooling costs based on the climate. Because CRAH units don’t use compressors, they use less energy, are more efficient and require less maintenance, all of which can also mean lower costs.

CRAC and CRAH both are the old technologies which are implementing in the large room and low cooling density per rack. It can only cater up to 3 kW per rack heat load. It is suggested to go with CRAC and CRAH system along with cold aisle containment to achieve energy efficiency at certain level at server room.

In- row / In-line cooling

In-row cooling precisely cools and conditions air in close proximity and is targeted cooling at the banks of server cabinets that fill the data center. They can be installed on the floor or suspended from overhead making them closer to the actual rack. This setup offers both capacity and efficiency gains. Neither cool air nor warm exhaust air has far to travel, allowing the units to dissipate high heat loads quicker and allows a more scalable approach to cooling your data center.

Cold aisle containment

Aisle containment system plays a crucial role in the data center where CRAC/ CRAH/In-row or In-line cooling architecture is adopted. This system prevents hot and cold air from mixing with each other. This simple separation creates a uniform and predictable supply temperature to the intake of IT equipment as well as a warmer, drier return air to the AC coil.

Hot aisle and cold aisle containment is a primary way leading businesses today help reduce the use of energy and optimize their equipment’s performance within their data center. Adopting a cold and/or hot aisle containment solution increases air efficiency, translating to increased up-times, longer hardware life and valuable energy savings.

Smart data center infrastructure

The Smart data center infrastructure is the latest trend in to market after creating a huge demand of edge data center concept. This is also know self contained data center or smart solution for data center. It can solve all problems to IT management, addressing IT needs without building new data center space. It is a fully integrated infrastructure combines up to multiple racks - with precision cooling, UPSs, power management, monitoring and control technologies, and fire security systems all in an one system. It is ready to implement solution, and will reduce the implementation time at site. It can reduce the huge running operating cost of the customer and help to achieve better PUE level.