Vertiv - Thermal management - Evaporative free cooling

The Liebert Indirect Evaporative Free Cooling Unit improves energy efficiency with potential PUEs under 1.2 with minimal water usage. It includes supplemental DX (direct expansion) or chilled water options for trim cooling requirements.

Best suited for:

Banking, financial and insurance data center/colocation/hosting education government healthcare retail and wholesale.

Benefits:

• Highly efficient - mechanical PUE less than 1.2
• Lower installation and maintenance costs
• No outside air into the data center
• Balanced capacity utilization and efficiency
• Greater protection
• Extended dry mode range
• Less water usage and treatment
• Downsized electrical infrastructure
• Controls require little if any customization 

Features:

• Highly efficient aluminum air-to-air heat exchanger offers up to 66% efficiency dry and 78% efficiency wet.
• Supplemental DX or chilled water options available for trim cooling requirements.
• Advanced monitoring and event notification.
• Finely tuned controls for balanced operation and cooling. 

Warranty:
One year limited warranty against defects in material and workmanship.

The Liebert Direct Evaporative Freecooling Unit delivers the lowest capital and operating costs, with a mechanical PUE of less than 1.1, streamlined installation and the industry’s lowest peak power consumption. Options are available for supplemental DX (direct expansion) or chilled water cooling sized for full or trim cooling.

Best suited for:
Banking, financial and insurance data center/colocation/hosting education government healthcare retail and wholesale.

Benefits:

• PUE less than 1.1 
• Lower power consumption 
• Minimal water usage
• Eliminate over-cooling or under-cooling
• Controls teamwork modes
• harmonize multiple cooling units for higher efficiency and protection. 
• Low kW per unit - downsizes electrical infrastructure
• Controls require little if any customization 

Features:

• DX or chilled water secondary cooling options sized for full or trim cooling 
• EC fan or direct drive fans with VFD options, in single or fan array configurations  
• Integrated bypass damper
• Self-optimizing controls with machine-to-machine communications and advanced algorithms
• Design minimizes required electrical infrastructure

The Liebert Chilled Water Air Handler provides high efficiency with elevated water loop temperatures and waterside or airside economizers.

Best suited for:
Banking, financial and insurance data center/colocation/hosting education government healthcare retail and wholesale.

Benefits:

• Higher efficiency and protection 
• Can deliver higher-than-average temperatures (65-70°F) and maintains conditions at a wide range of return air temperatures
• Easy to commission and service for reduced installation and maintenance costs
• Maintenance can be performed easily and quickly 

Features:

• Multiple economization options
• Variable speed EC fans
• Self-optimizing controls for more consistent unit supply air temperature and minimized swings across component ranges
• Multi-unit teamwork controls modes
• Simplified access to real-time data and trending
• Quick diagnostics of potential critical events
• Full coil cleaning access and single-side piping
• Multi-section design speeds installation

The Liebert DX Air Handler delivers data center efficiency with the flexibility for modular build outs. Multiple configurations include outside air economization, evaporative condensing and evaporative cooling to reduce energy consumption.

Best suited for:
Banking, financial and insurance data center/colocation/hosting education government healthcare retail and wholesale.

Benefits:

• PUE less than 1.1
• Lower power consumption
• Minimal water usage
• Eliminate over-cooling or under-cooling
• Controls teamwork modes
• Harmonize multiple cooling units for higher efficiency and protection
• Low kW per unit - downsizes electrical infrastructure 

Features:

• DX or chilled water secondary cooling options sized for full or trim cooling
• EC fan or direct drive fans with VFD options, in single or fan array configurations
• Integrated bypass damper
• Self-optimizing controls with machine-to-machine communications and advanced algorithms