ASHRAE Journal - January 2014 - 46

2013 ASHRAE TECHNOLOGY AWARD CASE STUDIES
Maintaining nearly 1,200 VAV
terminals in a 36-story office
building is no easy feat. The
recipients of the Technology
Award Honorable Mention
developed a fault detection tool
that doesn't require an extra
sensor and works with the
existing energy management
and control system.
HONORABLE MENTION
COMMERCIAL BUILDINGS, EXISTING
Detecting Faults
In Hong Kong High-Rise
BY YOUMING CHEN, MEMBER ASHRAE; HAITAO WANG; CARY W. H. CHAN; AND JIANYING QIN, MEMBER ASHRAE
BUILDING AT A GLANCE
Cambridge House
VAV Terminals
Location: Hong Kong
Owner: Swire Properties Ltd.
Principal Use: Office Building
Includes: Retail, restaurant and foyer
Employees/Occupants: 3,000
Gross Square Footage: 317,361
Conditioned Space Square Footage: 282,705
Substantial Completion/Occupancy: 2003
Occupancy: 100%
After a fault detection system for nearly 1,200 VAV
terminals was installed at Cambridge House in Hong
Kong, the building saved 13% annually on its electrical
bill. The 10-year-old office building has 36 stories with a
gross floor area of 317,361 ft2 (29 484 m2). The 20th floor
and the roof are mechanical floors.
The building is divided into low (ground to 25th floor)
and high zones (26th to 36th floor). Two heat exchangers
on the 20th floor transfer cooling energy from the low to
the high zone.
ABOUT THE AUTHORS
Youming Chen is a professor of Hunan University in Changsha, Hunan, China. Haitao Wang is a project engineer
of Hunan University in Changsha, Hunan, China. Cary W.H. Chan is a general manager at Technical Services and
Sustainability of Swire Properties Ltd in Hong Kong and Jianying Qin is an assistant building services manager of Swire
Properties Ltd in Hong Kong.
46
A SHR A E J O U RNA L
ashrae.org JAN UARY 2014

ASHRAE Journal - January 2014

Table of Contents for the Digital Edition of ASHRAE Journal - January 2014

ASHRAE Journal - January 2014
Contents
Commentary
Industry News
Letters
Meetings and Shows
Effect of Heat Rejection Load and Wet Bulb on Cooling Tower Performance
Shaping the Next... Building and Energy
Texas Hospital Central Plant Redesign
Detecting Faults in Hong Kong High-Rise
Engineer's Notebook
HVAC Applications
Refrigeration Applications
Energy Modeling
The Performance Gap
Data Centers
People
Classified Advertising
Advertisers Index
ASHRAE Journal - January 2014 - B1
ASHRAE Journal - January 2014 - B2
ASHRAE Journal - January 2014 - ASHRAE Journal - January 2014
ASHRAE Journal - January 2014 - Cover2
ASHRAE Journal - January 2014 - 1
ASHRAE Journal - January 2014 - 2
ASHRAE Journal - January 2014 - Contents
ASHRAE Journal - January 2014 - Commentary
ASHRAE Journal - January 2014 - 5
ASHRAE Journal - January 2014 - Industry News
ASHRAE Journal - January 2014 - 7
ASHRAE Journal - January 2014 - 8
ASHRAE Journal - January 2014 - 9
ASHRAE Journal - January 2014 - 10
ASHRAE Journal - January 2014 - 11
ASHRAE Journal - January 2014 - 12
ASHRAE Journal - January 2014 - Letters
ASHRAE Journal - January 2014 - Meetings and Shows
ASHRAE Journal - January 2014 - 15
ASHRAE Journal - January 2014 - Effect of Heat Rejection Load and Wet Bulb on Cooling Tower Performance
ASHRAE Journal - January 2014 - 17
ASHRAE Journal - January 2014 - 18
ASHRAE Journal - January 2014 - 19
ASHRAE Journal - January 2014 - 20
ASHRAE Journal - January 2014 - 21
ASHRAE Journal - January 2014 - 22
ASHRAE Journal - January 2014 - 23
ASHRAE Journal - January 2014 - Shaping the Next... Building and Energy
ASHRAE Journal - January 2014 - 25
ASHRAE Journal - January 2014 - 26
ASHRAE Journal - January 2014 - 27
ASHRAE Journal - January 2014 - 28
ASHRAE Journal - January 2014 - 29
ASHRAE Journal - January 2014 - 30
ASHRAE Journal - January 2014 - 31
ASHRAE Journal - January 2014 - 32
ASHRAE Journal - January 2014 - 33
ASHRAE Journal - January 2014 - 34
ASHRAE Journal - January 2014 - 35
ASHRAE Journal - January 2014 - Texas Hospital Central Plant Redesign
ASHRAE Journal - January 2014 - 37
ASHRAE Journal - January 2014 - 38
ASHRAE Journal - January 2014 - 39
ASHRAE Journal - January 2014 - 40
ASHRAE Journal - January 2014 - 41
ASHRAE Journal - January 2014 - 42
ASHRAE Journal - January 2014 - 43
ASHRAE Journal - January 2014 - 44
ASHRAE Journal - January 2014 - 45
ASHRAE Journal - January 2014 - Detecting Faults in Hong Kong High-Rise
ASHRAE Journal - January 2014 - 47
ASHRAE Journal - January 2014 - 48
ASHRAE Journal - January 2014 - 49
ASHRAE Journal - January 2014 - 50
ASHRAE Journal - January 2014 - 51
ASHRAE Journal - January 2014 - Engineer's Notebook
ASHRAE Journal - January 2014 - 53
ASHRAE Journal - January 2014 - 54
ASHRAE Journal - January 2014 - 55
ASHRAE Journal - January 2014 - 56
ASHRAE Journal - January 2014 - 57
ASHRAE Journal - January 2014 - HVAC Applications
ASHRAE Journal - January 2014 - 59
ASHRAE Journal - January 2014 - 60
ASHRAE Journal - January 2014 - 61
ASHRAE Journal - January 2014 - 62
ASHRAE Journal - January 2014 - 63
ASHRAE Journal - January 2014 - Refrigeration Applications
ASHRAE Journal - January 2014 - Energy Modeling
ASHRAE Journal - January 2014 - 66
ASHRAE Journal - January 2014 - 67
ASHRAE Journal - January 2014 - The Performance Gap
ASHRAE Journal - January 2014 - 69
ASHRAE Journal - January 2014 - 70
ASHRAE Journal - January 2014 - 71
ASHRAE Journal - January 2014 - 72
ASHRAE Journal - January 2014 - 73
ASHRAE Journal - January 2014 - Data Centers
ASHRAE Journal - January 2014 - 75
ASHRAE Journal - January 2014 - 76
ASHRAE Journal - January 2014 - People
ASHRAE Journal - January 2014 - Classified Advertising
ASHRAE Journal - January 2014 - Advertisers Index
ASHRAE Journal - January 2014 - 80
ASHRAE Journal - January 2014 - Cover3
ASHRAE Journal - January 2014 - Cover4
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_WNYSQY
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XATVOD
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_FJSHSS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_CCBZDS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XDEFVG
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2023november_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2023november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_VHGNBL
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_WPKBNJ
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_UUVCDE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RTGDEW
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2023
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_LKRFXS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_AZSOFG
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ERCDBH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_QWDFRV
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JHGVDF
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OPUYHG
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SREIBM
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_LRTGLK
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OKRFGH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2022november_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2022november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_TZSERA
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_LVRUIX
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RPTVYZ
https://www.nxtbook.com/nxtbooks/ashrae/mini_pub_catalog
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XIYTGD
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2022
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RFGDOB
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_PABXNU
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_REMKLS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_PICVBT
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_AOYTVW
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JQOPLS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_IOYTBC
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SGAJJF
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_IGHYER
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_PDRKLS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2021november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2021november_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XCODFR
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_QSLFGO
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ILKVNM
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2021
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OPDJKD
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_VJKSRY
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SDHUTC
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JPPKRR
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SDLTTH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_CKLLES
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SLDOX
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_HJETUK
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OLUHGE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2020october
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2020october_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ZERDGH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_QVMNEO
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RTPOKE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_BBATRE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_STUBMW
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_TPEMPE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JNMKDS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_FBTTPA
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_WQMMNE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_TVBRYN
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_showguide2020
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_KTUZMA
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ABEDGD
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201910
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201909
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2019septmeber_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2019september
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201908
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201907
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201906
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201905
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201904
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2019april
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201903
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2019march
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201902
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201901
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_showguide2019
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2018december
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2018november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2018fall_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2018fall
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2018october
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2018
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201810
https://www.nxtbook.com/nxtbooks/ashrae/ashraeinsights_201806
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201805
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201804
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201803
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201712
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201711
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201710
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2017fall_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2017fall
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201709
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201705
https://www.nxtbook.com/nxtbooks/ashrae/ashrae_meetinginsert_201610
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2016fall_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2016fall
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_acrexindia
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2015summer_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2015summer
https://www.nxtbook.com/nxtbooks/amca/2014summer2
https://www.nxtbook.com/nxtbooks/amca/2014summer
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_acma_2014summer
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201311
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201309
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_acmasupp_2013fall
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201305
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201303
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2013winter
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201211
https://www.nxtbook.com/nxtbooks/ashrae/achr_expo_mexico2012
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201209
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201208_v3
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201208_v2
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2012summer
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201205
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201203
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2012winter
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201111_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201109_v2
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2011summer
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201105
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201103
https://www.nxtbookmedia.com