ASHRAE Standard 205 2023

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ASHRAE Standard 205-2023 — Representation of Performance Data for HVAC&R and Other Facility Equipment (ANSI Approved)

Published By	Publication Date	Number of Pages
ASHRAE	2023

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Category: ASHRAE

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Description

Standard 205 defines common data models and serialization formats for facility equipment performance data, allowing automated exchange among data sources (manufacturers), simulation models, and other engineering applications. The main body of the standard provides rules and definitions used for generating representation specifications, including data groups that are common to all representation specifications, requirements for the structure of a representation specification, common definitions such as abbreviations, and informative material. This portion of the main body can be viewed as a meta-standard in that it specifies how to produce a representation specification. The Standard 205 JSON schema (with online access) provides a machine-processable equivalent statement of the data model, allowing automated reading, writing, and validation of data files. The formats and procedures specified by Standard 205 are developed under ASHRAE and ANSI consensus processes with participation of equipment manufacturers, application software developers, and engineering practitioners. The intent is that all data publishers write common-format data files and all application software include procedures to read files using that format. Standard procedures will improve the accuracy and consistency of model results relative to the mix of correlation and application-specific approaches traditionally used. Standard 205 does not define or restrict distribution schemes for representation files. Data publishers may establish distribution policies that fit their business needs.

PDF Catalog

PDF Pages	PDF Title
1	ANSI/ASHRAE Standard 205-2023
3	Contents
6	Foreword
7	1. Purpose 2. Scope
8	3. Definitions
9	4. Representation Content 5. Data Model Content 5.1 Data Group Composition 5.2 Data Element Attributes 5.3 Data Type Definitions
11	5.4 Units
12	5.5 Constraints
13	5.6 Required Data Elements
14	5.7 Common Enumerations
15	5.8 Common Data Groups
17	6. Representation Specification Structure 6.1 Identification and History 6.2 Scope and Description
18	6.3 Data Model
20	6.4 Verification Rules
22	6.5 Publishing Rules 6.6 Application Rules 6.7 References 6.8 Example(s) 7. Data Model Naming Conventions 7.1 Allowed Characters
23	7.2 Data Group Names 7.3 Data Element Names 7.4 Enumeration Names 7.5 Enumerator Names 7.6 Abbreviations
24	7.7 Pre-Existing Names (Informative) 7.8 Naming Guidelines (Informative)
25	8. Physical Properties 8.1 Psychrometric Properties of Moist Air 8.2 Liquid Properties 8.3 Refrigerant Properties 9. Data Quality, Integrity, Access, and Accuracy 9.1 Data Quality 9.2 Data Integrity 9.3 Data Access 9.4 Data Accuracy (Informative) 10. References
27	Informative Appendix A: Example Performance Map Representation
29	RS0001 Liquid-Cooled Chiller Identification and History Scope and Description Data Model
45	Verification Rules
47	Publishing Rules Application Rules References Example (Informative)
49	RS0002 Unitary Cooling Air-Conditioning Equipment Identification and History Scope and Description Data Model
57	Verification Rules Publishing Rules Application Rules References
58	Example (Informative)
59	RS0003 Fan Assembly Identification and History Scope and Description
60	Data Model
68	Verification Rules
69	Publishing Rules Application Rules References Example (Informative)
71	RS0004 Air-to-Air Direct Expansion System Identification and History Scope and Description Data Model
77	Verification Rules
78	Publishing Rules Application Rules References Example (Informative)
79	RS0005 Motor Identification and History Scope and Description
80	Data Model
83	Verification Rules
84	Publishing Rules Application Rules References Example (Informative)
85	RS0006 Electronic Motor Drive Identification and History Scope and Description Data Model
89	Verification Rules Publishing Rules Application Rules References Example (Informative)
91	RS0007 Mechanical Drive Identification and History Scope and Description Data Model
95	Verification Rules Publishing Rules Application Rules References Example (Informative)

Additional information

Standard Title	ASHRAE Standard 205-2023 — Representation of Performance Data for HVAC&R and Other Facility Equipment (ANSI Approved)
Published Code	ASHRAE
Publication Date	2023

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ASHRAE Standard 205 2023

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