DX CRAC Units Explained
Direct Expansion Cooling for Server Rooms, Telecom & Industrial Facilities
DX CRAC systems are one of the most widely used precision cooling solutions for server rooms, telecommunications infrastructure and smaller data centres.
These systems use refrigerant-based cooling technology similar to traditional air conditioning systems but are designed specifically for critical infrastructure environments.
What Is a DX CRAC Unit?
A DX (Direct Expansion) CRAC system removes heat using refrigerant that circulates through compressors and evaporator coils.
Heat absorbed from the environment is rejected through external condensers.
DX systems are commonly used in smaller infrastructure environments where large central cooling plants are not available.
Advantages of DX CRAC Systems
DX CRAC systems are widely deployed due to their flexibility.
Benefits include:
• simple installation
• cost-effective cooling infrastructure
• independent operation without central plant
• ideal for small to medium IT environments
• flexible deployment across facilities
These systems are particularly common in telecommunications environments.
Disadvantages of DX Systems
Limitations include:
• lower cooling capacity for very large environments
• reduced efficiency at hyperscale data centre level
• refrigerant system management requirements
Large facilities may prefer CDW or CHW cooling systems.
Industrial & Mining Applications
DX CRAC systems are frequently installed in industrial and mining environments.
Typical applications include:
• mining communications infrastructure
• remote industrial control rooms
• electrical switch rooms
• telecom network sites
• small industrial server environments
These environments often require independent cooling systems capable of operating in remote locations.
CRAC Support Across Brisbane, Sydney & Melbourne
Many organisations across Brisbane, Sydney and Melbourne rely on DX precision cooling systems to support server rooms and telecommunications infrastructure.
These systems are widely used in:
• enterprise server rooms
• telecom facilities
• industrial control environments
• mechanical and electrical switch rooms
👉 Learn more about DX CRAC servicing
