ISO 16484-4:2025 PDF

Name: ISO 16484-4:2025 — Building automation and control systems (BACS) — Part 4: Control applications
SKU: ISO 16484-4:2025
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Building automation and control systems (BACS) — Part 4: Control applications

Название (английский):

ISO 16484-4:2025

Building automation and control systems (BACS) — Part 4: Control applications

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 147
Дата публикации:: 27 августа 2025 г.
Издание:: ISO IS 16484 edition 1 version 1
ICS:: 35.240.67

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Описание (английский):

This document specifies control applications and function blocks focusing on, but not limited to, lighting, solar protection and heating, ventilation and air conditioning (HVAC) applications. It describes how energy performance, comfort, and operational requirements of buildings are translated into functional specifications for integrated plant and room control.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO 16484-4:2025, "Building automation and control systems (BACS) - Part 4: Control applications", is the first-edition ISO standard that defines control applications and function blocks for integrated plant and room control. Published in 2025, the standard focuses on translating energy performance, occupant comfort, and operational requirements into clear functional specifications for lighting, solar protection (blinds), and HVAC systems within automated buildings.

Key topics and technical coverage

ISO 16484-4 organizes control functionality and elements into detailed, reusable building automation building blocks. Major technical topics include:

Heating control - emission control, TABS (thermally activated building systems), distribution temperature control, pumps, heat generators (combustion, heat pumps, outdoor units), sequencing, thermal energy storage (TES) charging, hydronic balancing.

Domestic hot water (DHW) supply control - storage charging using electric heating, heat pumps, solar collectors, and circulation pump control.

Cooling control - emission control, chilled-water distribution, pump control, generator/chiller sequencing, interlocks between heating and cooling, TES, and hydronic balancing.

Ventilation and air conditioning - supply air flow, room air temperature control, coordination of ventilation with static systems, outside air flow and air-handler control, heat recovery, free cooling, supply-air temperature, and humidity control.

Lighting control - occupancy-based control, daylight harvesting (light-level control), timed and manual control strategies.

Blind / solar protection control - motorized blinds with manual or automatic control, combined light/blind/HVAC strategies, slat tracking, shadow correction.

Functional elements - sensor functions (air quality, temperature, humidity, brightness, presence, wind, precipitation), actuator functions (lighting, drives, solar protection), display/user operation functions (setpoints, scenarios), and control logic (schedules, presence evaluation, energy modes, setpoint calculation).

Practical applications and benefits

ISO 16484-4 provides a common functional language for:

Developing functional specifications for BACS projects

Designing and commissioning integrated HVAC, lighting, and solar-protection control strategies

Implementing energy-efficient room-level and plant-level control to meet comfort and regulatory targets

Defining function blocks for controller vendors and system integrators to improve interoperability and portability of control applications

Benefits include improved energy performance, consistent occupant comfort, clearer commissioning criteria, and reduced integration risk.

ISO 16484-4:2025 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical coverage

Practical applications and benefits

Who should use this standard

Related standards

Технические детали

BS EN ISO 16484-4:2025

Building automation and control systems (BACS). Control applications.

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