ASHRAE Journal - July 2009 - 9

Modules are assembled on a steel grid. HVAC Installation Is Matter of Time CHICAGO—Over the course of one weekend in May, the Chicago Loop was shut down to set up a crane so massive it had to be trucked in on 13 tractor trailers. This was part of a carefully orchestrated total replacement of the air-handling and distribution systems for the 85-year-old, 23-story Chicago Temple, which is the tallest church building in the world. A year of planning and preparation for the radical overhaul culminated in a complex and delicately timed logistical maneuver. The installation originally was to be done in November 2008, but was rescheduled due to poor weather. Thirty air-handling modules were delivered on 16 tractor trailers and assembled into a single, two-story air- The crane was delivered on 13 trucks. handling unit. The unit, custom-designed by Quebec-based Racan-Carrier, circulates 235,000 cfm (111 000 L/s), making it comparable to the combined HVAC systems of 200 large homes. Each 14,000 lb (6350 kg) section of the building’s cooling tower was lifted to the roof by the crane and assembled on a steel grid that was installed last fall. The 20 ft (6 m) high cooling tower weighs about 378,000 lb (172 000 kg). “It saves the owners money, and cuts carbon emissions dramatically,” said Stan Grossman, commercial engineer at Temperature Equipment Corp. in Chicago. Toyota Introduces New Auto AC KARIYA, Japan—DENSO CorporaMuch of the energy consumed by a tion has developed the first passenger vehicle’s AC is used by the compressor to vehicle air-conditioning system that compress the refrigerant. In conventional uses ejector technology. The AC systems, an expansion valve ejector, which is a small refrigis used to reduce the pressure of erant injector, contributes to the refrigerant before passing it an overall reduction in power through the evaporator to cool the consumption. The system is air. DENSO’s new system uses an being installed on the new ejector instead of an expansion Toyota Prius. valve. The ejector recovers expan“The new air-conditioning sion energy, which was previously system reduces the compres- DENSO’s new lost in the expansion valve, and sor’s power consumption by evaporator. converts it into pressure energy. up to 25%, compared to conventional DENSO has applied ejector technology car air-conditioning systems, and thus to truck refrigeration units and household contributes to fuel savings,” says Akio CO2 heat pump water heaters. It also can Shikamura of DENSO. be applied to conventional AC systems. July 2009 www.info.hotims.com/25206-17 ASHRAE Journal 9

ASHRAE Journal - July 2009

Table of Contents for the Digital Edition of ASHRAE Journal - July 2009

ASHRAE Journal - July 2009
Contents
Commentary
Industry News
Letters
Meetings and Shows
Feature Articles
     Using Direct Evaporative and Chilled Water Cooling
     Solving Kitchen Ventilation Problems
     Case Against Balancing Valves
     Integrated Design and UFAD
     Anniversary Feature: System Design for Compressor Reliability
Building Sciences
     Sustainable Products Capabilities
Special Products Information Section
Emerging Technologies
Washington Report
Products
People
Special Products
Classified Advertising
Advertisers Index
ASHRAE Journal - July 2009 - ASHRAE Journal - July 2009
ASHRAE Journal - July 2009 - Cover2
ASHRAE Journal - July 2009 - 1
ASHRAE Journal - July 2009 - 2
ASHRAE Journal - July 2009 - Contents
ASHRAE Journal - July 2009 - 4
ASHRAE Journal - July 2009 - Commentary
ASHRAE Journal - July 2009 - Industry News
ASHRAE Journal - July 2009 - 7
ASHRAE Journal - July 2009 - Letters
ASHRAE Journal - July 2009 - 9
ASHRAE Journal - July 2009 - 10
ASHRAE Journal - July 2009 - 11
ASHRAE Journal - July 2009 - 12
ASHRAE Journal - July 2009 - 13
ASHRAE Journal - July 2009 - Meetings and Shows
ASHRAE Journal - July 2009 - 15
ASHRAE Journal - July 2009 -      Using Direct Evaporative and Chilled Water Cooling
ASHRAE Journal - July 2009 - 17
ASHRAE Journal - July 2009 - 18
ASHRAE Journal - July 2009 - 19
ASHRAE Journal - July 2009 -      Solving Kitchen Ventilation Problems
ASHRAE Journal - July 2009 - 21
ASHRAE Journal - July 2009 - 22
ASHRAE Journal - July 2009 - 23
ASHRAE Journal - July 2009 - 24
ASHRAE Journal - July 2009 - 25
ASHRAE Journal - July 2009 -      Case Against Balancing Valves
ASHRAE Journal - July 2009 - 27
ASHRAE Journal - July 2009 - 28
ASHRAE Journal - July 2009 - 29
ASHRAE Journal - July 2009 -      Integrated Design and UFAD
ASHRAE Journal - July 2009 - 31
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ASHRAE Journal - July 2009 - BRC1
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ASHRAE Journal - July 2009 - 41
ASHRAE Journal - July 2009 -      Anniversary Feature: System Design for Compressor Reliability
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ASHRAE Journal - July 2009 - Building Sciences
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ASHRAE Journal - July 2009 - 56
ASHRAE Journal - July 2009 - Special Products Information Section
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ASHRAE Journal - July 2009 - 101
ASHRAE Journal - July 2009 - 102
ASHRAE Journal - July 2009 - 103
ASHRAE Journal - July 2009 - Emerging Technologies
ASHRAE Journal - July 2009 - 105
ASHRAE Journal - July 2009 - 106
ASHRAE Journal - July 2009 - 107
ASHRAE Journal - July 2009 - Washington Report
ASHRAE Journal - July 2009 - Products
ASHRAE Journal - July 2009 - People
ASHRAE Journal - July 2009 - 111
ASHRAE Journal - July 2009 - Special Products
ASHRAE Journal - July 2009 - 113
ASHRAE Journal - July 2009 - 114
ASHRAE Journal - July 2009 - 115
ASHRAE Journal - July 2009 - 116
ASHRAE Journal - July 2009 - Classified Advertising
ASHRAE Journal - July 2009 - 118
ASHRAE Journal - July 2009 - 119
ASHRAE Journal - July 2009 - Advertisers Index
ASHRAE Journal - July 2009 - Cover3
ASHRAE Journal - July 2009 - Cover4
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