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[Reference Design 10]
DESIGN OVERVIEW
Data Center IT Capacity
175 kW
Adaptable from 50 kW to 525 kW
Target Availability
Tier 2
Annualized PUE at 100% Load
1.63 in Beijing, China
1.62 in Paris, France
1.78 in Singapore
Total Racks and Average Density
62 racks at 2.8 kW/rack
IT & Facility Floor Space
319 m2
Regional Voltage and Frequency
400V, 50Hz
ABOUT THIS DESIGN Air-cooled, packaged chiller
cooling architecture
Energy savings through water-
side economizer during favorable
outdoor conditions
Highly scalable and adaptable
175 kW, Tier 2, Chilled Water, 319 m2
INTRODUCTION
The planning process of most projects can be iterative and thereby
expensive. Data center projects are burdened with these challenges and can
benefit greatly from simplification and time savings. Schneider Electric’s data
center reference designs help customers optimize the planning process by
providing them with validated, proven, and documented data center physical
infrastructure designs. The use of these designs has a positive impact on not
just the project itself, but also on the performance, reliability, and efficiency of
the data center over its lifetime.
Reference Design 10 includes design information for three spaces: IT space,
facility power, and facility cooling. Combined together, they comprise the
integrated power, cooling and structural systems required to meet the
design’s specifications published in this overview document.
[Reference Design 10] 2
Schneider Electric www.schneider-electric.com
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DESIGN OPTIONS
This reference design can be modified as
follows without a significant effect on the
design’s performance attributes:
Add StruxureWare Power Monitoring
Expert
Provision for load bank
Change UPS batteries
Add/change standby generator options:
Location
Tank size
Fuel type
FACILITY POWER BLOCK DIAGRAM
Facility Power
The facility power system supplies power to all of the critical and non-critical
components within the data center. The architecture used in this electrical
design is a single path with N+1 UPS and a generator. Switching between
generator power and utility is achieved using a programmable logic controller
(PLC). A 1600 amp bus feeds Prisma P electrical and mechanical
switchboards. In the electrical room, UPSs are configured down-stream of the
switchboards. A Symmetra PX configured to N+1 redundancy provides 225 kW
of critical power to the IT room with 6 minutes of runtime. Valve regulated lead
acid (VRLA) batteries are housed in an isolated battery room. A Galaxy 300
UPS provides 9 kW of power to the pumps in the facility cooling system.
Additional low-voltage transformers can be included in the design to support
lighting and other building loads. The power distribution architecture from the
electrical room to the IT space utilizes a combination of LV panels and Modular
Power Distribution. The facility power system is designed to support additional
peripheral devices like fire panels, access control systems, and environmental
monitoring and control devices. Power meters in the electrical path monitor
power quality and allow for predictive maintenance & diagnostics of the system.
These meters also integrate with StruxureWare Power Monitoring Expert.
Every component in this design is built and tested to the applicable IEC
standards.
Further design details and schematics are available in the engineering package.
Name Value Unit
Total amps (main bus) 1600 A
Input voltage (main bus) 400 V
Switchboard kAIC 65 kA
Power path Single
Generator redundancy N
IT space UPS capacity 225 kW
IT space UPS redundancy N+1
IT space UPS runtime @ rated load 6 minutes
IT space UPS output voltage 400 V
Facility cooling UPS capacity 9 kW
Facility cooling UPS redundancy N
Facility cooling UPS runtime @ rated load 9 minutes
FACILITY POWER ATTRIBUTES Utility AC G
250A, 400V, 65kA
630A, 400V, 36kA
1600A, 400V, 65kA
IT Space: 4x
PDU and 3x
CRAH Feeds
25A,
400V,
100kA
9kW
Galaxy
300
ME Space:
2x Pumps
CRAH
225kW
Symmetra
PX250
Load
bank
SSW
SSW
HumidifierCRAH
IT Space: 1x
RDP Feed
AHUPackaged
Chiller
Packaged
Chiller
[Reference Design 10] 3
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System
bypass
Thermal Storage
Expansion
tankCity Water
Dirt/air
separator Strainers
Packa
ge
d
Chille
r
Pa
ckage
d
Ch
iller
CW supply
to IT space
CW return
from IT space
VFD
VFD
FACILITY COOLING BLOCK DIAGRAM
DESIGN OPTIONS This reference design can be modified as
follows without a significant effect on the
design’s performance attributes:
Add StruxureWare Cooling
Monitoring Expert
Facility Cooling
The mechanical design utilizes chilled water as the primary medium for heat
dissipation. The architecture consists of a single chilled water loop. The cooling
system contains two 245 kW air-cooled, packaged chillers in an N+1 redundant
configuration. Economization is achieved with a dry cooler to save energy
during favorable outdoor conditions.
In order to extend availability of chilled water during a power outage, a 1 cubic
meter water storage tank provides 2 minutes of continuous cooling.
The piping architecture of the mechanical system feeds room-based Uniflair
Chilled Water CRAHs in the IT space. It also feeds room-based CRAHs in the
electrical and battery rooms. More information on the cooling configuration is
provided in the IT space section of this document.
This design is instrumented to work with StruxureWare Cooling Monitoring
Expert.
Further design details such as dimensions, equipment placement, temperature
set points, pipe sizing, flow rates, and pressure drops are available in the
engineering package.
FACILITY COOLING ATTRIBUTES
Name Value Unit
Total cooling capacity 245 kW
Input voltage 400 V
Heat rejection medium Chilled water
Mechanical redundancy N+1
Outdoor heat exchange Air-cooled,
packaged chiller
Coolant supply temperature 16 C
Coolant return temperature 22 C
Storage tank size 1 m3
Ride-through time 2 minutes
Economizer type Water-side
Piping detail inside IT space
CW supply
CW return
Uniflair
CW
Uniflair
CW
Uniflair
CW
[Reference Design 10] 4
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Name Value Unit
IT load 175 kW
Input voltage 400 V
Supply voltage to IT 230 V
Average density 2.8 kW/rack
Number of racks 62 racks
IT floor space 158 m2
Single or dual cord Single
Heat rejection medium Chilled water
CRAC/CRAH type Room-based CRAH
CRAC/CRAH redundancy N+1
Containment type None
DESIGN OPTIONS
This reference design can be modified as
follows without a significant effect on the
design’s performance attributes:
Add environmental and security
management
Change rack options (tall,
wide, deep)
Change power distribution options
Rack PDU type (basic,
switched)
Add StruxureWare Data Center
Expert
IT ROOM ATTRIBUTES
IT Space
The IT capacity of this design is 175 kW. The design is highly scalable and
adaptable; it can be configured to support IT loads within a range. Smaller
starting loads as low as 50 kW can be supported by making adjustments such
as reducing the number of IT pods or decreasing the quantity of UPS modules.
Likewise, this design can be used as a baseline for larger loads as high as 525
kW by using a step and repeat approach to the design. This flexibility drives
efficiency and defers capital expenditure until needed.
The IT space design specifies all of the physical infrastructure systems, as well
as their physical arrangement/spacing, required to meet the overall design’s
performance attributes. This includes racks, PDUs, rack power distribution,
cooling units, and airflow management systems.
Each pair of rows (pod) within the IT space can be “stepped and repeated” in a
standardized and predictable manner. This enables right-sizing of power and
cooling that scales with IT growth. Each pod supports an average power
density of 2.8 kW per rack. All the pods are outfitted with integrated power
distribution.
Each pod is powered by floor-mount Modular Power Distribution. Every rack is
configured with a metered rack-mount PDU to enable remote monitoring of the
units for efficiency and capacity management.
The space is cooled by N+1 redundant Uniflair Chilled Water CRAHs that
control the supply of cool air by monitoring the temperature in the space.
The security of the room is maintained at multiple points. At the rack level,
access is controlled by a door lock and sensor. At the room level, security
cameras are utilized for monitoring.
RR/B-2/Z2
RR/D-4/Z4
RR/C-10/Z3
RR/A-10/Z1
RR/B-8/Z2
RR/D-5/Z4
RR/D-2/Z4
RR/B-6/Z2
RR/F-3/Z5C C/E
-1
RR/B-13/Z2
RR/D-11/Z4
RR/A-7/Z1
RR/D-15/Z4
RR/C-2/Z3
RR/C-5/Z3
RR/A-12/Z1
RR/C-15/Z3
RR/A-16/Z1
RR/C-16/Z3
RR/D-6/Z4
RR/C-8/Z3
RR/B-12/Z2
RR/D-7/Z4
RR/B-4/Z2
RR/B-3/Z2
RR/B-10/Z2
C C/B-1
RR/C-7/Z3
RR/B-15/Z2
RR/D-8/Z4
RR/C-12/Z3
RR/B-5/Z2
RR/F-5/Z5
RR/F-7/Z5
RR/A-15/Z1
RR/B-14/Z2
RR/A-8/Z1
RR/B-11/Z2
RR/A-3/Z1
RR/A-6/Z1
RR/A-4/Z1
DD/
A-9/
Z1
RR/D-10/Z4
RR/C-4/Z3
RR/D-14/Z4
RR/C-14/Z3
RR/A-14/Z1
RR/A-5/Z1
RR/C-6/Z3
RR/D-12/Z4
RR/A-13/Z1
RR/F-6/Z5
C C/D-1
RR/B-16/Z2
RR/F-4/Z5
RR/C-3/Z3
RR/D-3/Z4
DD/
C-9/
Z3
RR/A-2/Z1
DD/
D-9/
Z4
RR/A-11/Z1
RR/C-11/Z3
RR/D-16/Z4
RR/C-13/Z3
DD/
B-9/
Z2
RR/F-2/Z5
RR/D-13/Z4
RR/B-7/Z2
[Reference Design 10] 5
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Design Attributes OVERVIEW Value Unit
Target availability Tier 2 Tier
Annualized PUE at 100% load 1.63 / 1.62 / 1.78
Data center IT capacity 175 kW
IT & facility floor space 319 m2
Average density 2.8 kW/rack
FACILITY POWER Value Unit
Total amps (main bus) 1600 A
Input voltage (main bus) 400 V
Switchboard kAIC 65 kA
Power path Single
Generator redundancy N
IT space UPS capacity 225 kW
IT space UPS redundancy N+1
IT space UPS runtime @ rated load 6 minutes
IT space UPS output voltage 400 V
Facility cooling UPS capacity 9 kW
Facility cooling UPS redundancy N
Facility cooling UPS runtime @ rated load 9 minutes
FACILITY COOLING Value Unit
Total cooling capacity 245 kW
Input voltage 400 V
Heat rejection medium Chilled water
Mechanical redundancy N+1
Outdoor heat exchange Air-cooled, packaged chiller
Coolant supply temperature 16 C
Coolant return temperature 22 C
Storage tank size 1 m3
Ride-through time 2 minutes
Economizer type Water-side
IT SPACE Value Unit
IT load 175 kW
Input voltage 400 V
Supply voltage to IT 230 V
Average density 2.8 kW/rack
Number of racks 62 racks
IT floor space 158 m2
Single or dual cord Single
Heat rejection medium Chilled water
CRAC/CRAH type Room-based CRAH
CRAC/CRAH redundancy N+1
Containment type None
[Reference Design 10] 6
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Demo:
Visit www.apc.com/software to learn more about StruxureWare for Data Centers! >
Data center infrastructure management (DCIM)
Good design and quality construction alone do not ensure a highly available &
efficient data center. Data centers require on-going monitoring and management to
ensure the facility lives up to its design intent. StruxureWare for Data Centers is a
software management suite designed to collect and manage data about a data
center’s assets, resource use, and operational status throughout the life cycle of the
facility. This information is then distributed, integrated, and applied in ways that help
managers optimize the data center’s performance and meet IT, business, and
service-oriented goals. From IT assets to racks, rows, rooms and buildings,
StruxureWare for Data Centers delivers the right information to the right users at the
right time.
Control level: Experts, on site or remotely, can control process performance and
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critical and secure environment.
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Enterprise level: C-level executives can drive their sustainability strategy efficiently,
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StruxureWare for Data Centers allows for flexibility when requirements and
implementation strategies change over time. StruxureWare software applications
and suites simplify integration time, improve reliability, enhance visibility to energy
information, and streamline operational efficiency.
[Reference Design 10] 7
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Click here to register to receive the Engineering Package for this design, or email
3D spatial views Floor layouts
One-line schematics
Bill of materials
Get more information for this design:
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engineering schematics (CAD, PDF), floor layouts,
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reference designs.
Documentation is available in multiple formats to suit the
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