1、 I 0759b50 05L053 12T M IT SPEAKS VOLUMES about the quality of our products. Announcing IS0 9000 certification of all Controls Group manufacturing facilities worldwide. J “SON CONTR 8 LS 01994, JohnsanGntrok, Inc Ja321 (Circle No. 1 on Reader Service Card) E 0759650 0538054 066 m AIR SOLUTION COMPAN
2、Y Proudly Presents “THE NEW COTTON WOOD POLLEN FILTERING SYSTEM“ For Coolina Towers and Air Intake Svstem MAINTENANCE - Filters can be cleaned with Broom or Shop Vacuum I I Filters are Reusable Easy to Operate Stores Away Easily Easy Installation Filters can also Prevent Entrance of Bugs, Paper, Bir
3、ds, Cottonwood, Animals, Leaves Reduces Filter changes Comes in Many Sizes Easy Installation Reduces Maintenance AIR SOLUTION COMPANY 34525 Glendale Livonia, Michigan 48150 U.S.A. Phone (313) 458-1515 FAX # (313) 458-2305 U.S. Patent 5,370,722 Foreign Patent Pending 1 (Circle No. 4 on Reader Service
4、 Card) 4SHRAE Journal September 1995 0757650 05LB05b 939 W The difference could save vou as mucn as $800,000. 99% of annual operating hours are spent at off-design conditions A low full-load kW/ton number may sound impressive, but if youre only going to see that number for a few hours in August, how
5、 important can it be? cost for the entire cooling season, including the 99% of operating hours when your chiller isnt at design conditions. If you analyze that energy cost, youll find that YORK centrifugal chillers can save you as much as $800,000 over the life of your chiller, compared to other hig
6、h-efficiency chillers. Whats more important is your total chiller energy TheYORK Performance advantage YORK open-motor, single-stage chillers offer these savings because, in addition to impressive full-load performance, they take advantage of tower-water temperatures down to 55F to provide superior
7、efficiency at off-design conditions. Many hermetic-motor, multi- stage chillers experience oil loss and refrigerant hang-up at colder tower-water temperatures, so they require an artificial limit well above 55”F, which penalizes their efficiency. Over the life of your chiller, the energy cost differ
8、ence can be dramatic. area, call 1 -800-86 1 - 1 O0 1 for an eye-opening consultation with your local YORK sales representative. To find out what kind of savings are available in your Engineering Air Conditioning for the 2st Century iiiYORK INTERNATIONAL CORPORATION (Circle No. 5 on Reader Service C
9、ard) m 0759650 0538057 875 m It3 true. We dont make eueuy pump! MARSHALL ENGINEERED PRODUCTS CO. Formerly Dunham Division, Dunham-Bush, Inc. A Complete Centrifugal Line: in-Line Pumps Base-Mounted Pumps Closed Coupled Pumps Plus a Full Line of Hydronic Specialties 811 East Main Street Marshalltown.
10、Iowa 50158 515-752-4291 FAX 515-753-0496 (Clicle No. 6 on Reader Service Card) I 0757650 05LB058 70% D Content SEPTEMBER 1995, Vol, 37, No. 9 Page 12: New use for dehumidifiers Page 28: Olympic update Page 44: Solar technology guide Departments 7 10 20 23 27 28 58 71 72 74 76 80 Commentary Industry
11、News Washington Report International Forum Meetings and Shows Olympics 1996: HVAC and Chris Rousseau, P.E. Steam Traps Filled Niche By Dennis Kacsur Solar-Thermal Technology By Carl Bennett, P.E. How to Determine Water Concentration in System Refrigerants By Douglas G. Gehring Speciarl Section Test
12、and Measurement Instruments A roundup of available products ASHRAE Journal“ (SSN-0001-2491) PUBLISHED MONTHLY, Copyright 1995 by the American Society of Heating, Refrigerating and Air-Conditioning Engineers Inc., 1791 Tullie Circle N.E., Atlanta, GA 30329. Second class postage paid at Atlanta, Georg
13、ia, and additional mailing offices. CHANGEOFADDRESSmUSt bereceivedatsubscriptionoflice eight weeks before effective date. Send both old and new addresses for the change MISSION STATEMENT-ASHRAE Journal reviews current HVAC $69(includespstagefor Canadian and overseas orders). For subscription with ai
14、r mail delivery outsideUSA, $119. Membershipsubscriptions haveacommon June expiration. Nonmember subscriptions may vary. Payment (USfunds) required with all orders. POSTMASTER Send form 3579 to: ASHRAE Journal. 1791 TullieCircle N.E Atlanta, GA 30329. LETTERS/MANUSCRIPTS-Letters to the editor and ma
15、n- uscnptsfor publicationshould besentto: William R. Cokei; Editoi; ASHRA Journal, 1791 Tullie Circle N.E., Atlanta, GA 30329. MICROFILM-This publication is microfilmed by University Microfilms, Inc. (UMI). 300 Nokh Zeeb Road, Ann Arbor, MI 48106. For information on cost and issues available, you ma
16、y contact UM1 at 313-76t-4700. ASHRAE Journal September 1995 5 0759650 05118059 bYB = 6 The Microview can function as a remote operators terminal for large systems or as a complete operators terminal for smaller buildings. It even supports a modem. Find out more about this remarkable new controller
17、by calling us at (206) 869-8400 (USA) or fax us at (206) 869-8445. Well send you a free booklet on DDC questions and answers. Amiriru mmisiNc (Circle No. 7 on Reader Service Card) ASHRAE Journal September 1995 I 0759650 0538060 36T H ASHRAE“ JOURNAL 1791 Tullie Circle N.E. Atlanta, Georgia 30329-230
18、5 Electronic Bulletin Board 1-404-636-8400 FAX 404-321-5478 404-235-0228 “ Controlling the Environment Through Knowledge EXECUTIVE DIRECTORIPUBLISHER Frank M. Coda PUBLISHING DIRECTOR W. Stephen Comstock EDITORIAL EDITOR William R. Cokei e-mail bcokerashrae.org ASSISTANT EDITOR Shannon E. PowersJone
19、s e-mail spowersashrae org WASHINGTON BUREAU J.E.Cox, P.E.,Ph.D. Charles R. Miro washofcashrae.org PUBLISHING SERVICES PUBLISHING SERVICES MANAGER Scott A. Zeh GRAPHICS SusanBoughadou TYPOGRAPHY Kellie M. Frady Stefan R. Moore Nancy F. Thysdl CIRCULATION CIRCULATION MANAGER Phyllis Maurer ADVERTISIN
20、G ASSOCIATE PUBLISHER Edwin F. Farley ADVERTISING PRODUCTION MANAGER Irene F. Eggeling ASHRAE OFFICERS PRESIDENT Richard B. Hayter, P.E., Ph.D. PRESIDENT-ELECT James E. Hill, Ph.D. TREASURER Donald E. Holte, P.Eng. VICE PRESIDENTS Harley W. Goodman, Jr., P.E. George A. Jackins, P.E. Laurance S. Stap
21、les, Jr. James E. Wolf SECRETARY Frank M. Coda POLICY GROUP 1995-96 Chairman Journalllncighis Committee Charles H. Culp, 111, Ph.D. I Member of the Audit Bureau of Circulation. Audit 43 Commentary OnLine with ASHRAE Journal ick Hayter in his presidential address stated that one of his D initiatives
22、would be to enhance fast, cost-efective communica- tion between ASHRAE members, associate societies and others in the HVAC directorofengineering for arriera Damon Gowan (right, middle photo), chairman of the ASHRAE Foundation Board of Trustees, presents award to Tom Mikulina, vice president of marke
23、ting for Trane. Manning (right, right photo) presents award to Bi/ Mudge, vice president of global marketing/communications for McQuay ASHRAE Foundation Gets Industry Boost ATLANTA - Three companies have con- tributed a combined $650,000 to a newly created foundation that will help attract talented
24、young people to the HVAC weil replace it. No questions asked. So you get an accuracy of 1% for pressure ranges from O-0.l”wc to O-25”wc. Snap- track mounting that reduces installation costs. Easy-to-reach plumbing and electrical connec- tions. Great OEM pricing. And your order is shipped within 72 h
25、ours or you pay half price* *Maximum quantities apply. Plus, we have a .4% FS model available for your high accuracy applications. To order your 264s, call 1-800-25 SETRA or (508) 263-1400. Youll be glad you did for years to come. And its from Dehumidification technology is used to build and race ya
26、chts. Humidity Control Provides an Edge In Americas Cup The control of humidity is important in any process environment, but it can be critical when youre building boats and racing in the International Americas Cup. Just askTeam DennisConners yacht construction manager Mick Harvey and operations man
27、ager Bill IenWe. They used dehumidification technology to construct and race Stars The Trane Co. which contributed $300,000 to support four twyear under- graduate ASHRAE scholarships of $5,000 each; and McQuay International which pledged $100,000 to support ASHRAEs education and training goals for m
28、embers and engi- neering graduates. o ASHRAE Journal September 1995 1 14 (Circle No. 13 on Reader Service Card) 0759650 05LBObB 650 I Americas Cup Continued from page 12 used to build modern jet aircraft - prematurely bonds. “Then you have a boat-building night- mare,” said Harvey. “Thats why dehumi
29、di- fication is so important.” To create the ideal conditions, a chamber was constructed around the vessel to close off the hull and deck from surrounding air. By placing a Munters Cargocaire HCD-1125 Honeycornbe de- siccant dehumidifier and an eight-ton direct expansion (DX) refrigeration unit in t
30、he sealed working environment, the relative humidity was kept at a very dry 30%, while the temperature was kept at a cool 65OF (I 8OC). Under these dry, cool conditions, the carbon fiber fabric can be carefully applied, moved and reapplied until lamination and thickness complied with Stars Louisvill
31、e, Ky.; Warminster, Pa.; Madison, Wis.; and Orem, Utah. Elite Launches Home Page Elite Software of Bryan, Tex. has launched a home page on the Internet at “http:/ww. ”. The home page includes information on Elites HVAC, electrical and plumbing programs which can be down- loaded to a visitors compute
32、i: Also available are demonstration software, information about new products, electronic mail capability to Elites staff, and links to other HVAC-related home pages. For more infor- mation, call (800) 648-9523. United McGill Opens Office United McGill of Groveport, Ohio has announced that it has ope
33、ned a new sales engineering office and warehouse in Mem- phis, Tenn. to serve HVAC contractors and engineers in that area. United McGill in the nations largest manufacturer of spiral duct. It also carries a complete line of duct fitting and HVAC acoustical products. If you take the time to look, Pum
34、ps include: End Suction Pumps from 260 ft.; In-line Uni-Pumps from 1 to 60 hp, capacities to 700 gpm, and heads to 350ft.; Horizontal Split Case Pumps from 1 to 300 hp, capacities to 5000 gpm, and heads to 800 ft.; Condensate Return and Boiler Feed Systems from 1/3 to 15 hp, capacities to 150 gpm, a
35、nd heads to 300 ft. Wherever you look, youll find Weinman pumps hard at work le service. Dont you youll find Weinman pumps all around you. Mechanical engineers in the U.S. and around the world specify Weinman in some of the most challenging commercial building HVAC systems and other clean water appl
36、ications because of its quality and dependability. Weinman pumps have earned a solid reputation in applica- tions including chilled and hot water systems, pressure boosting, cooling tower, condensate return and boiler feed systems, and general service to 60 hp, capacities to 2000 gpm, and heads to 1
37、6 (Circle No. 15 on Reader Service Card) ASHRAE Journal September 1995 1811 0759650 0538070 209 I SIEMENS The master key to Universal Drive Solutions MASTER DRIVES The introduction of the MASTER DRIVES family answers the demand for an AC drive system that delivers universal solutions to almost any a
38、pplication. By specifying Siemens MASTER DRIVES, you benefit from solutions that allow you to stay competitive in our global economy. The MASTER DRIVES family of solutions are modular and flexible to meet your system requirements. Everyone will benefit from universal drive solutions that feature pul
39、se width modulation (PWM) and isolated gate bipolar transistor (IGBT) performance. Our drives are available in a,complete variety of performance classes; MICRO MASTER:“ the best value solution for light duty applications; MIDI MASTER: to tackle a vast variety of standard performance tasks with ease;
40、 and MASTER DRIVES, delivering the highest performance for the most demanding custom installations. From fractional to 2000 Hp, MASTER DRIVES fit together to form a common DC bus for regenerative applications or simply to reduce system costs-another Siemens first. Universal Connectivity with existin
41、g or future system configurations is not only possible, but simplified, because MASTER DRIVES can communicate with nearly any PLC, EMS or automation system. From compact to cabinet units, Siemens Onesource Solution of drive products provide total system adaptability to almost any application. 0neSou
42、rce.M Solutions from Siemens (Circle No. 17 on Reader Service Card) For the key to unlock your Universal Drive Solutions in the US. call and in Canada call (404) 740-3000 (905) 458-1 100 0759650 05LB071 145 = Its tough being a lone wolf. n .1 8 O a 1 Baicies, joining the pack is more affordable. Bei
43、ng part of a large group means you can get excellent group rates. On things like health care insurance. Of course, many people get that where they work. But when you choose ASHRAE insurance, you get affordable group rates, but youre free to run, too. You see, ASHRAE insurance goes where you go, from
44、 job to job. And it has been tailored specifically to your needs. To learn more about this exclusive benefit of association membership, call 1 800 424-9883, or in Washington, DC (202) 457-6820, between 8:30 a.m. and 530 p.m. eastern time to speak with a customer service representative. Then see if t
45、he numbers add up. o ASHRAE Insurance Tm Life Disability Income Protection Comprehensive HealthCare Excess Major Medical In-Hospital Hgh-Limit Accident Medim Supphent Insurance The term Me, comprehensive healuicare and tu efficiency rating of 80.8%. 40,000 to 80,000 BTUH gas, propane 18,000 TO 32,00
46、0 BTUH cooling. Suitable for independent metering and control. Interior design protects from vandalism, weathering, and leaves buildings with an architecturally cosmetic appearance. or electric heating. INTO RETRO For more information call: (905)-831-0071 or fax (905)431-2208 Ciiy of New York MEA# 3
47、49-94-E ASHRAE Journal September 1995 (Circle No. 22 on Reader Service Card) 23 m 0759650 0518077 663 merever wego,we And were speaking to more equipment than ever before. systems, but they only talk with a few pieces of Over the past year, weve been learning the languages of more and more controlle
48、rs. equipment. At Johnson Controls, the term isnt open for interpretation. We make certain our open system speaks like a native to all types of HVAC equipment. So its now possible to get direct digi- tai control of boilers, chillers, fume Today, Metasys - our open system for controlling HVAC equipme
49、nt - directly communicates with over 200 digital con- trollers, from over 75 manufacturers. 11.1 Other companies claim to offer “open” TFRJO con Obtain significant technology leadership; Access a pool of technical talents dif- ficult to field within one country; Meet worldwide customer require- ments; and Create common designs for world- wide manufacturing. Looking at the Challenges International collaborative design and manufacturing poses many challenges. For example, engineering drawing
