There are two options for installing a containerization system in an already operating machine hall (I will tell you about the installation of isolation systems in machine rooms under construction in the next part). In the first case, we isolate the cold, and in the second, the hot corridor. Each of the options has its own characteristics, pros and cons.
Cold aisle insulation
Principle of operation: perforated plates installed in front of the front door of the cabinet are used to supply a cold air flow into the corridor. Hot air "splashes" into the total volume of the room.
Installation of racks: to isolate the cold aisle, cabinet air conditioners are located around the perimeter of the room and blow the cold air flow under the raised floor. In this case, the enclosures are in a row facing each other.
Pros:
- relatively low cost,
- ease of scaling: the cabinet air conditioner can be installed in any free space around the turbine hall.
Minuses:
- difficulty in scaling: within several corridors, there may be problems with the uniformity of air supply in different rows,
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- complication of the fire extinguishing system: each closed cabinet turns into a separate compartment, requiring its own set of monitoring sensors and a local fire extinguishing system.
Design features:
- the room does not require additional headroom,
- the design of the cabinet provides for a completely closed circuit, including with the possibility of IP protection.
Suitable for: those who need to place high-load computing systems (up to 20 kW per rack).