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New Guideline on Standardized Advanced Sequences Of Operation For Common HVAC Systems

New Guideline Established Set of Standardized Advanced Sequences Of Operation For Common HVAC Systems

From eSociety, July 2018

The newest ASHRAE guideline, ASHRAE Guideline 36-2018, High-Performance Sequences of Operation for HVAC Systems, provides uniform sequences of operation for HVAC systems that are intended to:

  • maximize the systems' energy efficiency and performance,

  • provide control stability

  • and allow for real-time fault detection and diagnostics.

Standardized advanced control sequences provide benefits including:

  • reduced engineering time,

  • reduced programming and commissioning time,

  • reduced energy consumption,

  • improved indoor air quality

  • and a common set of terms to facilitate communication between specifiers, contractors and operators.

The intended audience for the guideline includes HVAC designers, control contractors, commissioning agents, and building owners, operators and maintenance technicians

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This first version of the guideline contains sequences for variable-air-volume (VAV) systems, and it is expected that sequences for other HVAC systems will be added over time. It is also expected that the sequences herein will be adjusted, augmented and possibly replaced over time, based on feedback from users.

This document falls under ASHRAE’s continuous maintenance process. Normally, any standard or guideline that needs to be updated more often than the normal five-year cycle that occurs under periodic maintenance. In addition, a standing project committee is formed when a document is on continuous maintenance rather than being disbanded after publication under periodic maintenance. The committee developing the document makes that determination. 

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