Engineers Newsletter
UPDATED: Trane Applications Engineering Manual on ASHRAE Standard 15
The recently-revised Trane application manual (Literature # APP-APM001F-EN) explains how the requirements in the 2022 version of Standard 15 apply to all types of refrigeration systems—from packaged rooftop units to VRF systems to large water chillers—and all refrigerant safety groups, including Group A2L. It also includes examples of how to calculate the releasable refrigerant charge and effective dispersal volume charge (EDVC) limit for several commonly used system types.
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More about Trane Engineers Newsletters
Engineers Newsletters are topical, informative articles that provide engineering professionals who design HVAC systems with reliable, objective, and technologically current information in a non-commercial format. They've been published by Trane’s Applications Engineering team since 1972 and have long been a trusted technical resource throughout the industry. Subjects range from HVAC system configurations to acoustics to interpretation of ASHRAE standards.
Engineers Newsletters are provided to customers free-of-charge. Current and past issues can be viewed on trane.com/EN, and you can even subscribe to receive e-mail notification when a new issue is published.
To learn more about refrigeration management, visit Trane.com.
About the Author
John Murphy, Applications Engineer
John has been with Trane since 1993. His primary responsibility as an applications engineer is to aid system design engineers and Trane sales personnel in the proper design and application of HVAC systems. His main areas of expertise include energy efficiency, dehumidification, air-to-air energy recovery, psychrometry, ventilation, dedicated outdoor-air systems, VAV systems, and ASHRAE Standards 62.1 and 90.1. He is the author of numerous Trane application manuals and Engineers Newsletters and is a frequent presenter on Trane’s Engineers Newsletter Live program series.
John is an ASHRAE Fellow and past chair of that society’s “Mechanical Dehumidifiers” technical committee. He has authored many articles for the ASHRAE Journal, presented at ten previous ASHRAE Winter or Summer conferences, and was a featured presenter on ASHRAE’s international webcast, “Dedicated Outdoor Air Systems.”