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ANSI/RESNET/ICC 380-2022 Standard for Testing Airtightness of Building, Dwelling Unit, and Sleeping Unit Enclosures; Airtightness of Heating and Cooling Air Distribution Systems; and Airflow of Mechanical Ventilation Systems, 2022

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TABLE OF CONTENTS
FOREWORD
CHAPTER 1 PURPOSE
CHAPTER 2 SCOPE
CHAPTER 3 DEFINITIONS
CHAPTER 4 PROCEDURE FOR MEASURING AIRTIGHTNESS OF BUILDING OR DWELLING UNIT ENCLOSURE [Go to Page]
4.1. EQUIPMENT
4.2. PROCEDURE TO PREPARE THE BUILDING OR DWELLING UNIT FOR TESTING
4.3 PROCEDURES TO INSTALL THE TEST APPARATUS AND PREPARE FOR THE AIRTIGHTNESS TEST
4.4 PROCEDURE TO CONDUCT AIRTIGHTNESS TEST [Go to Page]
(EQUATION 4.4-1a)
(EQUATION 4.4-1b)
(EQUATION 4.4-2a)
(EQUATION 4.4-2b)
(EQUATION 4.4-3a)
(EQUATION 4.4-3b)
(EQUATION 4.4-4a)
(EQUATION 4.4-4b)
4.5. PROCEDURE TO APPLY RESULTS OF ENCLOSURE AIR LEAKAGE TEST [Go to Page]
(EQUATION 4.5-1a)
(EQUATION 4.5-1b)
(EQUATION 4.5-2)
(EQUATION 4.5-3a)
(EQUATION 4.5-3b)
(EQUATION 4.5-4a)
(EQUATION 4.5-4b)
(EQUATION 4.5-5)
(EQUATION 4.5-6)
CHAPTER 5 PROCEDURE FOR MEASURING AIRTIGHTNESS OF DUCT SYSTEMS [Go to Page]
5.1. EQUIPMENT NEEDED
5.2. PROCEDURE TO PREPARE THE BUILDING OR DWELLING UNIT AND THE DUCT SYSTEM FOR TESTING
5.3. PROCEDURE TO INSTALL THE TEST APPARATUS AND PREPARE FOR AIRTIGHTNESS TEST
5.4. PROCEDURE TO CONDUCT AIRTIGHTNESS TEST [Go to Page]
(EQUATION 5.4-1a)
(EQUATION 5.4-1b)
5.5. PROCEDURE TO APPLY RESULTS OF DUCT SYSTEM LEAKAGE TEST
CHAPTER 6 PROCEDURE FOR MEASURING AIRFLOW OF MECHANICAL VENTILATION SYSTEMS [Go to Page]
FIGURE 1: LOCATION OF TERMINALS IN GENERIC MECHANICAL VENTILATION SYSTEM
6.1. PROCEDURE TO PREPARE THE BUILDING OR DWELLING UNIT AND MECHANICAL VENTILATION SYSTEM FOR TESTING
6.2 PROCEDURE TO MEASURE AIRFLOW AT INLET TERMINAL [Go to Page]
(EQUATION 6.2-1a)
(EQUATION 6.2-1b)
6.3. PROCEDURE TO MEASURE AIRFLOW AT OUTLET TERMINAL [Go to Page]
(EQUATION 6.3-1a)
(EQUATION 6.3-1b)
6.4 PROCEDURE TO MEASURE AIRFLOW MIDSTREAM IN THE VENTILATION DUCT
6.5 PROCEDURE TO MEASURE AIRFLOW AT EQUIPMENT ITSELF USING AN INTEGRATED DIAGNOSTIC TOOL
CHAPTER 7 HAZARDS
CHAPTER 8 NORMATIVE REFERENCES
CHAPTER 9 INFORMATIVE REFERENCES
INFORMATIVE ANNEX A [Go to Page]

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