Key cost differences between the wired system and the wireless systems are attributable to the com-munication components. 2002. 44, no. What return on investment is accept-able to the customer? ASHRAE > ASHRAE Journal > 2002 ASHRAE Journal, … ASHRAE Standards & Guidelines 58-1986 (RA 99), Method of Testing for Rating Room Air Conditioner and Packaged Terminal Air Conditioner Heating Capacity * Price: $19.00 (ASHRAE Member: $16.00) Product Code 86154 62.1-2004, Ventilation for Acceptable Indoor Air Quality* Price: $60.00 (ASHRAE Member: $51.00) Product Code 86156 62.1-2004 User’s Manual Price: $55 (ASHRAE Member $47) … periods, and from the exterior towards the interior during cool-ing periods. 20 Years of Commercial Desiccant Systems. A. Boyd Morgenthaler, P.E. ASHRAE > ASHRAE Journal > 2002 ASHRAE Journal, … Are incentives or rebates available? ASHRAE Journal TO BROWSE THE CATALOG, SELECT FROM THE CATEGORIES ON THE LEFT. October 2002 ASHRAE Journal 19 ing coils with low flow rates to receive a larger percentage of their design flow dur-ing transients, and vice versa. Citation: ASHRAE Journal, vol. pp. This web site is maintained by the Monterrey Chapter of ASHRAE. BACnet® Today | A Supplement to ASHRAE Journal October 2002 31 installed the various automa-tion systems of the building complex (HVAC, lighting and window louvers, fire and bur-glar alarms, access control, and the BAS host computers). This posting is by permission of ASHRAE and is presented for educational purposes only. The location of the air barrier can be towards the interior (sealed interior gypsum board), or HPAC 75 (6): 43-54.....62 Khattar M and Brandemuehl MJ. ASHRAE Journal … Separating the V in HVAC: A Dual-Path Approach. ASHRAE Journal Additional Journal Information: Journal Volume: 44; Journal Issue: 5; Other Information: Journal Publication Date: May 2002; PBD: 1 Aug 2002; Journal ID: ISSN 0001-2491 For the wired case, cable and con-duit must be installed to each HVAC unit. Prob-lems arose during the project because the vendors had little motivation to reveal the work- Current building codes typically call for attic ventilation to minimize condensation on the underside of roof sheathing. 28 ASHRAE Journal www.ashraejournal.org November 2002 (left and right sides). 44 > Apr-02 ASHRAE Journal|March 2002 33 New Tools for Specifying BACnet About the Author A By Steven T. Bushby, Member ASHRAE Steven T. Bushby is an engineer in the Building and Fire Research Laboratory for the National Institute of Standards and Technology in Gaithersburg, Md. BACnet® Today | A Supplement to ASHRAE Journal October 2002 45 few years. Haakenstad, L.K., June 1997. 7, July 2002 Product Details Published: 2002 Number of Pages: 1 File Size: 1 file , 820 KB Product Code(s): D-AJ02JulRA Browse related products from ASHRAE. View all product details La Crosse, Wis.: Trane. Categories without an icon have documents in … ASHRAE > ASHRAE Journal > 2002 ASHRAE Journal, Vol. Water vapor from soil enters buildings prima-rily by diffusion, although convection (air leakage) may occur through soil in some cases. 44, no. This approach requires both air pressure control and interior moisture control. See, for example, the article by Ronald H. Howell, Ph.D., P.E., in the May 2004 ASHRAE Journal. For more information about ASHRAE Technology Portal, please contact 1-800-527-4723 or technologyportal@ashrae.org. "Airborne Phylloplane and Soil Fungi in Buildings Within the United States", ASHRAE IAQ Conference Proceedings, 2001 The pilot project will be implemented in the Physical Facilities, Building Automation Shop, and … "The Fundamentals of Fungi", ASHRAE Journal, November 2002 • Ligman, Bryan K., and Philip R. Morey. A BACnet/IP router served as the bridge be-tween the local BACnet network in the building, and the GEMnet network connecting all facilities. As far as the energy modeling is concerned, the analysis in the article used the default equipment performance of DOE2.2, exactly the same as in the 2002 CEC study … It does not present official positions of the Society nor reflect Society policy. Water flow rates and configurations for the chiller con- 26 June 2002|ASHRAE Journal 5. ASHRAE Journal|February 2002 39 Moisture Figure 4: Classic hot-humid climate wall assembly. The wheel rotates into the mixed airstream (MA), where water vapor released from the wheel passes into the mixed air (MA′ ) and then condenses on the cold coil surface. The sides are unaffected by gravitational settling. For the other buildings a variety of vendor-supported or third- Browse related products from ASHRAE. 44 (8): 22-27 .....62 Harriman LG. added by the adsorption process raises the dry-bulb temperature of the supply air to 55°F (13°C). November 2002 ASHRAE Journal 57 of costs for wireless systems configured from commercially available components. ASHRAE does not endorse or recommend commercial products or services. and David F. Shumway, P.E. Harriman LG and Judge J. Abstract. ASHRAE chapters may not act for the Society and the information presented here has not had Society review. 48 ASHRAE Journal Zone Temperature (°F) Room 2002 Room 3003 Room 4002 ashrae.org May 2009 ASHRAE Journal - May 2009 Table of Contents for the Digital Edition of ASHRAE Journal - May 2009 ASHRAE Journal - May 2009 Contents Commentary Industry News Letters Meetings and Shows Feature Articles Moving Air for Comfort For these facilities, the integration to GEMnet was straightforward. For wireless systems, (Cost) Joseph Lstiburek. "How to Specify BACnet-Based Systems" Engineered Systems. BACnet® Today | A Supplement to ASHRAE Journal October 2002 23 lighting, fire alarm and other related products. HPAC Engineering December 2001/January 2002 Currently, the installation of an access control system is scheduled for comple-tion by Fall 2002. ASHRAE Journal, v44 n1 p41-44 Jan 2002 Describes how techniques such as occupant control, careful sizing of the HVAC equipment, and using a direct digital control (DDC) system have helped the James L. and Evelena S. Oakes Hall at Vermont Law School to be environmentally friendly and save energy. Source: ASHRAE journal. ASHRAE Journal|May 2002 57 IEQ toms from improved IEQ was 8% to 25%, among a large popula-tion — 53 million with allergies and 16 million asthmatics. 56 August 2002|ASHRAE Journal Ventilation Rates and Health About the Authors W By Olli Seppänen, Fellow ASHRAE, William J. Fisk, P.E., Member ASHRAE, and Mark J. Mendell, Ph.D. Olli Seppänen is a professor at the Helsinki Uni-versity of Technology, Laboratory for Heating, Ventilating and Air Conditioning, Espoo, Finland. Chillers densers were evaluated in a manner similar to that used for the chilled water loop. Given the $15 billion annual cost of allergies and asthma, the potential economic gains are $1 billion to $4 billion. The more customized the pipe sizes are to the de-sign flow rate at each coil, the smaller these flow variations will be. 2002 American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. 2002. Citation: ASHRAE Journal, vol. The other deposition mechanism at work is called turbulent aerosol deposition. Soil in a wet basement or an uncov-ered crawlspace has been found to evaporate at a rate of 100 to 500 g/m 2 per day (e.g., Trethowen, in a survey of 60 crawlspaces, Of course, piping is … ASHRAE Journal|January 2002 3 moisture source. "BACnet Q&A" Supplement to ASHRAE Journal, Practical Guide to Building Controls. 2003. Journal of Light Construction March 2003; Residential Ventilation and Latent Loads. Dehumidification Equipment Advances. 54-55. ASHRAE Journal April 2002, pages 18–21; Moisture, Building Enclosures, and Mold: How water gets into a structure, why it doesn't leave, and how these architectural flaws become HVAC headaches. The deposition is higher at the bottom surface and lower at the top surface due to the effects of gravi-tational settling. ASHRAE Journal. A plus icon signifies that a category has subcategories. 4, April 2002 Product Details Published: 2002 Number of Pages: 1 File Size: 1 file , 820 KB Product Code(s): D-AJ02AprRA Browse related products from ASHRAE. ASHRAE Journal|March 2002 23 About the Author M By John Murphy, Member ASHRAE John Murphy is a senior application engineer with Trane Commercial Systems, La Crosse, Wis. icrobial contamination is a common cause of occupant complaints The following article was published in ASHRAE Journal - May 2002. 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