The document discusses rack containment cooling as a future-proof solution for data center cooling. It presents OptiCool as a rack containment system that uses refrigerant-based cooling at the rack level to provide scalable and efficient cooling. Key benefits highlighted include reducing cooling energy usage by 60-95%, allowing for more racks in the same space, eliminating raised floors, and qualifying for energy efficiency subsidies. The system can scale from low to high density loads and is adaptable to any equipment rack. It offers scalability, adaptability, energy efficiency, and space efficiency to future-proof cooling design needs.

1. Future-Proof Cooling: Rack Containment
for Scalability and Efficiency
David A. Brown, Ph.D.
Director, Technology Solutions

2. Essential “Future-Proof” Design Challenge
Time
Heat
Density
Industry Trends Impacting Design
 Leading OEMs forecast increasing heat density
 “Rack Utilization” is increasing (Gartner)
 “Rack Height” is increasing (IMS)
201520102005 2025
Increase
Steady
Decrease
Which heat density trend
line should you plan for?
2020
10 kW+

3. Data Center Cooling Efficiency Model
ROW – 30% more efficient
ROOM – status quo
Model Source: Gartner
COMPONENT
No universal standards
supported by leading
OEMs
RACK – 95% more efficient
RACK containment cooling is the most efficient and the most
practical for the foreseeable future

4. OptiCool®
Rack Containment Cooling
 Refrigerant-based cooling (R-134a or R-450A)
 Non-toxic, non-conductive, non-corrosive
 Low pressure (75 psi)
 “Active” Heat Removal of 10 kW per AHX unit
 20 kW N+1 redundancy per rack
Features
$ Reduce cooling energy use from 60-95%
$ More floor space for additional racks
$ Eliminates the need for a raised floor
$ Qualifies for energy efficiency capital subsidy programs
 Reduced noise levels
Benefits

5. Rack Containment Benefits
 Scalability – low to high-density; cooling on-demand
 CAPEX – construction cost, equipment cost
 OPEX – energy efficiency, maintenance cost
 Adaptability – attach to any equipment, outdoor heat rejection
Why overcool a room or contain heat at
the aisle? Contain at the rack level.

6. OptiCool®
System – How it Works
Cool Door®
System
Supply
Return
Supply Return
Pump
System
Flow
Active
Heat
Extractor
Refrigerant Distribution Segment (RDS)
Supply Size
1 3/8” OD
Return Size
2 5/8” ODIndoor
Refrigerant
Distribution
Network
Outdoor
Chiller
Cool Row®
System
Hose
Pair
Stainless

7. OptiMizer™
RPx Outdoor Heat Rejection
Direct Expansion PumpChilled Water Pump
OptiMizer™ RPC-210OptiMizer™ RPW-210

8. OptiMizer™
Refrigerant Pumps (RPW or RPC)
Features
 RPW for Chilled Water Outdoor
Heat Exchange
 RPC for DX Outdoor Heat
Exchange
 210 kW (60 Ton) Capacity
 36” x 40” Footprint
 Variable Speed Drive
 Color HMI Panel
 External RJ11 and USB ports
 Modbus or BACnet BMS
Integration 1.5 kW Nominal Energy Use

9. Active Heat eXtractor (AHX)
Dual Power
(Standard)
Key Messages
 Supports Cool Door®
and Cool Row®
applications
 2N Design with dual fans, power and sensors
 Up to 10 kW Capacity
 13 lbs / 22” x 14”
Inside Rack View
Dual
Sensors
R-134a Supply
R-134a Return
Evaporator
Protector
Shield
Rear Aisle View
 Monitoring port for BMS integration
 Self-Sealing Quick Connect Stainless Hoses
 Fans Are Energy Neutral and Adjust to Heat
Load
System Status
Indicator LEDs Dry Contact
Monitoring Port
(Fan, Power &
Sensors)Settable Fan Speed
(3 fixed / 5 variable)

10. Cool Door®
System (CDSe) – Extruded Door
For Standard Cooling Applications
Features
 24”, 28”, 30”, 32”
 42-44U, 45U, 48U, 56U
 Single or Dual Power
 Manual Bypass
 80 lbs Fully Configured
Manual Bypass
Integrated Cable
Management
AC or DC
Power (A)
AC or DC
Power (B)

11. The OptiCool®
System Seismic Compliant
 First seismic compliant close-
coupled cooling solution
 NEBS Zone 4 Seismic GR-63
 Pump system, door, cooling
units, power and hoses
 Tested to an 8.3 seismic event
 All components tested leak-free
 Seismic signifies quality
S e i s m i c H a z a r d M a p

12. Examples of Different Install Environments

13. Examples of Different Install Environments

14.  CAPACITY - Low- to High-Density; up to 30
kW per rack / 20 kW N+1 “in-rack redundancy”
 ADAPTABILITY - The Cool Door®
System is
adaptable to any equipment rack; The Cool
Row®
System provides proximity cooling
 SCALABILITY - The modular design offers
unparalleled scalability to align cooling with
heat load as needed
 ENERGY EFFICIENCY - The equipment rack
becomes the ultimate containment solution
where the RPW 210 kW pump uses only 1.5
kW of energy
 SPACE EFFICIENCY - OptiCool®
uses less
footprint than perimeter CRACs or In-Row
Cooling
OptiCool®
Future-Proofs Cooling Design

15. Thank You!