Category Archives: ASHRAE

ASHRAE IC 90.1-2013-11

Interpretation IC 90.1-2013-11 to Standard 90.1-2013 — Energy Standard for Buildings Except Low-Rise Residential Buildings (ANSI Approved; IES Co-sponsored)

Published by: 2017-01-01 / 2017-01-01

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ASHRAE 15-2016 (packaged w/ 34-2016)

Standard 15-2016 (packaged w/ Standard 34-2016) — Safety Standard for Refrigeration Systems and Designation and Classification of Refrigerants (ANSI Approved)

Published by: 2016-01-01 / 2016-01-01 / 88 pages

ASHRAE Standard 15 establishes safeguards for life, limb, health, and property and prescribes safety requirements. This standard is directed toward the safety of persons and property on or near the premises where refrigeration facilities are located. It includes specifications for fabrication of tight systems but does not address the effects of refrigerant emissions on the environment. This standard applies to (a) the design, construction, test, installation, operation, and inspection of mechanical and absorption refrigeration systems, including heat pump systems used in stationary applications; (b) modifications including replacement of parts or components if they are not identical in function and capacity; and (c) substitutions of refrigerant having a different designation.
The 2016 edition incorporates Addenda a, b, c, e, g to ASHRAE Standard 15-2013, which comprise the following changes to the 2013 edition:

  • Incorporated changes to improve in the safe design, construction,installation, and operation of refrigeration systems.
  • Updated requirements for safety relief systems, including revisions to relief vent pipe discharge locations and design provisions for headered relief vent systems
  • Updated design pressure requirements applicable to systems using carbon dioxide;
  • Modified overpressure protection for heat exchangers and pressure limiting devices for positive displacement compressors.

ASHRAE Standard 34 is intended to establish a simple means of referring to common refrigerants instead of using the chemical name, formula, or trade name. It establishes a uniform system for assigning reference numbers, safety classifications, and refrigerant concentration limits to refrigerants. The standard also identifies requirements to apply for designations and safety classifications for refrigerants and to determine refrigerant concentration limits. This standard provides an unambiguous system for numbering refrigerants and assigning composition-designating prefixes for refrigerants. Safety classifications based on toxicity and flammability data are included along with refrigerant concentration limits for the refrigerants. This standard does not imply endorsement or concurrence that individual refrigerant blends are suitable for any particular application.
The 2016 edition incorporates the 35 approved and published addenda to Standard 34-2013. Among the key changes to the 2016 edition are the following:

  • Added thirty new refrigerants.
  • Changed the source of the WEEL (Workplace Environmental Exposure Levels) values from AIHA (American Industrial Hygiene Association) to TERA OARS-WEEL (Toxicology Excellence for Risk Assessment/Occupational Alliance for Risk Science).
  • Changed requirements for the refrigerant application process.
  • Changed the requirement for submission of standard test result data to validate the method used to determine burning velocity.
  • Changed units required for refrigerant designation to require the submission of dual units.
  • Revised R-744 toxicity data for the RCL, LC 50, cardiac sensitization NOEL, anesthesia NOEL, ATEL, RCL, and ATEL source.

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ASHRAE and AIVC IAQ 2016–Defining Indoor Air Quality: Policy, Standards and Best Practices

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Published by: 2016-01-01 / 2016-01-01

The ASHRAE and AIVC IAQ 2016 Conference builds upon the success of the previous IAQ Conference in 2013 in Vancouver. The IAQ 2016 Conference also marks ASHRAE’s 18th conference of its kind since it was first held in 1986 in Atlanta. This event marks AIVC’s 37th Annual Conference. The conference program includes internationally acclaimed keynote speakers, original peer-reviewed papers, the latest in indoor environmental quality control, plus workshops and panel discussions.

This conference’s papers are abstracted in American Chemical Society’s CAS and STN and cited/indexed in Elsevier’s Scopus and Compendex.

Citation: ASHRAE and AIVC IAQ 2016 Conf

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ASHRAE 51-2016

Standard 51-2016 — Laboratory Methods of Testing Fans for Aerodynamic Performance Rating (ANSI/AMCA Standard 210-16) (ANSI/ASHRAE Approved)

Published by: 2016-01-01 / 2016-01-01 / 79 pages
This standard establishes uniform test methods for a laboratory test of a fan or other air moving device to determine its aerodynamic performance in terms of airflow rate, pressure developed, power consumption, air density, speed of rotation and efficiency for rating or guarantee purposes. This standard applies to a fan or other air moving device when air is used as the test gas, with the following exceptions: (a) air circulating fans (ceiling fans, desk fans);(b) positive pressure ventilators;(c) compressors with interstage cooling;(d) positive displacement machines; and(e) test procedures to be used for design, production or field testing.

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ASHRAE Spanish 188-2015

Spanish — Standard 188-2015 — Legionellosis: Risk Management for Building Water Systems (ANSI Approved)

Published by: 2016-01-01 / 2016-01-01 / 20 pages

ASHRAE Standard 188 establishes minimum legionellosis risk management requirements for building water systems.

Included in this publication are: description of environmental conditions that promote the growth of Legionella and informative annexes and an bibliography that contain suggestions, recommendations, and references to additional guidance.

In addition, content throughout the document is revised to bring it in line with current technical standards. Standard 188 is essential for anyone involved in design, construction, installation, commissioning, operation, maintenance, and service of centralized building water systems and components.

Keywords: Legionella, legionellosis, risk management, water, water systems

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ASHRAE 135-2016

Standard 135-2016 — BACnet-A Data Communication Protocol for Building Automation and Control Networks (ANSI Approved)

Published by: 2016-01-01 / 2016-01-01 / 1378 pages

Meet Building Automation and Control Systems Communication Needs with Standard 135-2016

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BACnet, the ASHRAE building automation and control networking protocol, has been designed specifically to meet the communication needs of building automation and control systems for applications such as heating, ventilating, and air-conditioning control; fire and other life safety and security systems; energy management; lighting control; physical access control; and elevator monitoring systems. The BACnet protocol provides mechanisms by which computerized equipment of arbitrary function may exchange information, regardless of the particular building service it performs. As a result, the BACnet protocol may be used by mobile and cloud-hosted devices, head-end computers, general-purpose direct digital controllers, and application-specific or unitary controllers with equal effect.

This protocol provides a comprehensive set of messages for conveying encoded building automation data between devices including, but not limited to 

(a) hardware binary input and output values,
(b) hardware analog input and output values,
(c) software data values,
(d) schedule information,
(e) alarm and event information,
(f) trend and event logs,
(g) files,
(h) control logic,
(i) application specific data for a large range of building services, and
(j) network configuration including security.

The purpose of Standard 135 is to define data communication services and protocols for computer equipment used for monitoring and control of HVAC&R and other building systems and to define, for application interoperability, an abstract, object-oriented representation of information communicated between such equipment, thereby facilitating the application and use of digital control technology in buildings.

This 2016 publication of the standard was motivated by the large number of additions and enhancements added to the 2012 version, including support for IPv6 networks. Both the extended data model and the new RESTful Web services, added by Addendum am to Standard 135-2012, are major steps in advancing BACnet for the future information technology landscape. This edition of the standard also includes the recently adopted changes for the lighting and the elevator industry.

Keywords: BACnet, building automation, building automation system, BAS, building control network, building automation network

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