ASHRAE Journal - October 2013 - 22

2013 ASHRAE TEcHnology AwARd cASE STudiES

Table 1 Building 4 electricity end-use
breakdown.
DATA CENTER & UPS

16.00%

TEST AREA EqUiPMENT

16.30%

VENTiLATiON

11.60%

LigHTiNg

4.80%

PLUg LOADS

4.30%

MiSC.

1.90%

HEATiNg

0.00%

CH
2

44.40%

COOLiNg

CH
1

CH
3

Electrical Room
CRAH
1&2

Data Center CRAH
1 Through 8

CRAH
1&2

CRAH
1 to 8

Primary
Pump

Table 2 Historical electricity consumption
of Building 4 over the 12 months prior to the
installation of the airside economizers.

Primary
Pump

Primary
Pump

Secondary Pump
Common Leg
Chilled Water Piping to the
AHU Serving Building 4

MONTH

ELECTRiCiTy
CONSUMPTiON
kWH

TOTAL
ELECTRiCiTy
COST

JAN-2010

1,480,170

$133,519

DEC-2009

1,333,391

$121,314

NOV-2009

1,241,354

$113,910

OCT-2009

1,206,565

$111,451

MERV 13 Filter Rack

SEP-2009

1,279,875

$117,270

Motorized Damper

AUg-2009

1,282,587

$117,793

JUL-2009

1,213,277

$110,972

JUN-2009

1,143,765

$104,976

M

MAy-2009

1,286,584

$118,348

M

APR-2009

1,097,900

$105,873

MAR-2009

936,024

$86,937

FEB-2009

936,024

$107,841

Water Seal (Typ. All)

12 in. Deck
Data Center
Ceiling Space

Concrete Wall
Ducted Supply Air
glass

Sloped for Water Runoff (Typ. All)

Return
grilles

R.A. From Data Center
Ceiling to CRAH
CRAH
Typ.

Motorized R.A.
Damper
Return Air

M
M

Stationary
Louver

M

Data Center

96 in.

CRAH Alley

is less than 41.9°F (5°C) or
more then 60% RH to avoid dry
or humid conditions in data
center, as recommended by
Reference 1.

FigURE 1 Simplified chilled water schematic diagram for Building 4.

New Opening on the Back of the CRAH for Outside Air

FigURE 2 Outside air and return air economizer damper design for CRAH.

Design Build
This was a fast-tracked design-build project that had
challenges during the design and construction such as
keeping the data center live and running while building
the economizer systems. Another challenge was integrating an airside economizer into systems that were
22

ASHRAE JouRnAl

ashrae.org

O ct O b e r 2 0 1 3

originally designed for recirculation air only through the
CRAHs.
For these reasons, the parts of economizer system
needed to be designed and built in pieces and then
installed one by one in the field. In the end the project



ASHRAE Journal - October 2013

Table of Contents for the Digital Edition of ASHRAE Journal - October 2013

Contents
Commentary
Industry News
Letters
Meetings and Shows
Feature Articles
Sustainable Design of Water Source VRF
Economizer for Data Center
Total Dissolved Solids in Reclaimed Water
Hot, Humid Lab Hood Facility
Engineer's Notebook
Building Sciences
The Performance Gap
ASHRAE Honor Roll
ASHRAE Research Report
Technical vs. Process Commissioning: Basis of Design
Emerging Technologies
Data Centers
HVAC Applications
Energy Modeling
Refrigeration Applications
Products
Classified Advertising
Advertisers Index
ASHRAE Journal - October 2013 - Cover1
ASHRAE Journal - October 2013 - Cover2
ASHRAE Journal - October 2013 - 1
ASHRAE Journal - October 2013 - 2
ASHRAE Journal - October 2013 - Contents
ASHRAE Journal - October 2013 - Commentary
ASHRAE Journal - October 2013 - 5
ASHRAE Journal - October 2013 - Industry News
ASHRAE Journal - October 2013 - 7
ASHRAE Journal - October 2013 - 8
ASHRAE Journal - October 2013 - 9
ASHRAE Journal - October 2013 - Letters
ASHRAE Journal - October 2013 - 11
ASHRAE Journal - October 2013 - Meetings and Shows
ASHRAE Journal - October 2013 - 13
ASHRAE Journal - October 2013 - Sustainable Design of Water Source VRF
ASHRAE Journal - October 2013 - 15
ASHRAE Journal - October 2013 - 16
ASHRAE Journal - October 2013 - 17
ASHRAE Journal - October 2013 - 18
ASHRAE Journal - October 2013 - 19
ASHRAE Journal - October 2013 - Economizer for Data Center
ASHRAE Journal - October 2013 - 21
ASHRAE Journal - October 2013 - 22
ASHRAE Journal - October 2013 - 23
ASHRAE Journal - October 2013 - 24
ASHRAE Journal - October 2013 - 25
ASHRAE Journal - October 2013 - 26
ASHRAE Journal - October 2013 - 27
ASHRAE Journal - October 2013 - Total Dissolved Solids in Reclaimed Water
ASHRAE Journal - October 2013 - 29
ASHRAE Journal - October 2013 - 30
ASHRAE Journal - October 2013 - 31
ASHRAE Journal - October 2013 - 32
ASHRAE Journal - October 2013 - 33
ASHRAE Journal - October 2013 - 34
ASHRAE Journal - October 2013 - 35
ASHRAE Journal - October 2013 - 36
ASHRAE Journal - October 2013 - 37
ASHRAE Journal - October 2013 - 38
ASHRAE Journal - October 2013 - 39
ASHRAE Journal - October 2013 - Hot, Humid Lab Hood Facility
ASHRAE Journal - October 2013 - 41
ASHRAE Journal - October 2013 - 42
ASHRAE Journal - October 2013 - 43
ASHRAE Journal - October 2013 - 44
ASHRAE Journal - October 2013 - 45
ASHRAE Journal - October 2013 - 46
ASHRAE Journal - October 2013 - 47
ASHRAE Journal - October 2013 - Engineer's Notebook
ASHRAE Journal - October 2013 - 49
ASHRAE Journal - October 2013 - 50
ASHRAE Journal - October 2013 - 51
ASHRAE Journal - October 2013 - 52
ASHRAE Journal - October 2013 - 53
ASHRAE Journal - October 2013 - Building Sciences
ASHRAE Journal - October 2013 - 55
ASHRAE Journal - October 2013 - 56
ASHRAE Journal - October 2013 - 57
ASHRAE Journal - October 2013 - 58
ASHRAE Journal - October 2013 - 59
ASHRAE Journal - October 2013 - The Performance Gap
ASHRAE Journal - October 2013 - 61
ASHRAE Journal - October 2013 - 62
ASHRAE Journal - October 2013 - 63
ASHRAE Journal - October 2013 - 64
ASHRAE Journal - October 2013 - ASHRAE Honor Roll
ASHRAE Journal - October 2013 - HR 2
ASHRAE Journal - October 2013 - HR 3
ASHRAE Journal - October 2013 - HR 4
ASHRAE Journal - October 2013 - HR 5
ASHRAE Journal - October 2013 - HR 6
ASHRAE Journal - October 2013 - HR 7
ASHRAE Journal - October 2013 - HR 8
ASHRAE Journal - October 2013 - HR 9
ASHRAE Journal - October 2013 - HR 10
ASHRAE Journal - October 2013 - HR 11
ASHRAE Journal - October 2013 - HR 12
ASHRAE Journal - October 2013 - HR 13
ASHRAE Journal - October 2013 - HR 14
ASHRAE Journal - October 2013 - HR 15
ASHRAE Journal - October 2013 - HR 16
ASHRAE Journal - October 2013 - HR 17
ASHRAE Journal - October 2013 - HR 18
ASHRAE Journal - October 2013 - HR 19
ASHRAE Journal - October 2013 - HR 20
ASHRAE Journal - October 2013 - HR 21
ASHRAE Journal - October 2013 - HR 22
ASHRAE Journal - October 2013 - HR 23
ASHRAE Journal - October 2013 - HR 24
ASHRAE Journal - October 2013 - HR 25
ASHRAE Journal - October 2013 - HR 26
ASHRAE Journal - October 2013 - HR 27
ASHRAE Journal - October 2013 - HR 28
ASHRAE Journal - October 2013 - HR 29
ASHRAE Journal - October 2013 - HR 30
ASHRAE Journal - October 2013 - HR 31
ASHRAE Journal - October 2013 - HR 32
ASHRAE Journal - October 2013 - ASHRAE Research Report
ASHRAE Journal - October 2013 - 66
ASHRAE Journal - October 2013 - 67
ASHRAE Journal - October 2013 - 68
ASHRAE Journal - October 2013 - 69
ASHRAE Journal - October 2013 - 70
ASHRAE Journal - October 2013 - 71
ASHRAE Journal - October 2013 - 72
ASHRAE Journal - October 2013 - 73
ASHRAE Journal - October 2013 - 74
ASHRAE Journal - October 2013 - 75
ASHRAE Journal - October 2013 - Technical vs. Process Commissioning: Basis of Design
ASHRAE Journal - October 2013 - 77
ASHRAE Journal - October 2013 - 78
ASHRAE Journal - October 2013 - 79
ASHRAE Journal - October 2013 - 80
ASHRAE Journal - October 2013 - 81
ASHRAE Journal - October 2013 - Emerging Technologies
ASHRAE Journal - October 2013 - 83
ASHRAE Journal - October 2013 - 84
ASHRAE Journal - October 2013 - 85
ASHRAE Journal - October 2013 - 86
ASHRAE Journal - October 2013 - 87
ASHRAE Journal - October 2013 - Data Centers
ASHRAE Journal - October 2013 - 89
ASHRAE Journal - October 2013 - 90
ASHRAE Journal - October 2013 - 91
ASHRAE Journal - October 2013 - 92
ASHRAE Journal - October 2013 - 93
ASHRAE Journal - October 2013 - HVAC Applications
ASHRAE Journal - October 2013 - 95
ASHRAE Journal - October 2013 - Energy Modeling
ASHRAE Journal - October 2013 - 97
ASHRAE Journal - October 2013 - Refrigeration Applications
ASHRAE Journal - October 2013 - 99
ASHRAE Journal - October 2013 - Products
ASHRAE Journal - October 2013 - 101
ASHRAE Journal - October 2013 - 102
ASHRAE Journal - October 2013 - Classified Advertising
ASHRAE Journal - October 2013 - Advertisers Index
ASHRAE Journal - October 2013 - Cover3
ASHRAE Journal - October 2013 - Cover4
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