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AABC National Standards for Total System Balance, 7th Edition, 2021
- Cover
- Copyright
- Preface
- Acknowledgements
- Table of Contents
- Chapter 1. Total System Balancing [Go to Page]
- 1.1 Purpose
- 1.2 Scope
- 1.3 Overview
- 1.4 Design Phase
- 1.5 Construction Phase
- 1.6 Total System Balancing Phase
- 1.7 The Report
- 1.8 Final Acceptance
- Chapter 2. Instrumentation and TAB Tolerances [Go to Page]
- 2.1 Overview
- 2.2 Terminology
- 2.3 Temperature Measuring Instruments
- 2.4 Air Measuring Instruments
- 2.5 Hydronic Pressure Measuring Instruments
- 2.6 Electrical Measuring Devices
- 2.7 Rotational Speed Measuring Instruments
- 2.8 Test and Balance Tolerances
- Chapter 3. Airside Volume Measurement [Go to Page]
- 3.1 Overview
- 3.2 Pitot Tube Traverses
- 3.3 Density Correction
- 3.4 Anemometer Coil Traverse
- 3.5 Flow Factors for Airflow Measuring Devices
- 3.6 Airflow Measuring Stations
- 3.7 Measured System Static Pressure
- 3.8 Fan Curves
- 3.9 System Effect
- 3.10 Diversity
- 3.11 References
- Chapter 4. Basic Measurements [Go to Page]
- 4.1 Overview
- 4.2 Rotational Measurements
- 4.3 Electrical Measurements
- 4.4 Temperature Measurements
- 4.5 Electric Duct Heaters
- Chapter 5. Leakage Testing [Go to Page]
- 5.1 Overview
- 5.2 Test Equipment
- 5.3 Test Parameters
- 5.4 Testing Procedures
- 5.5 Report Data
- 5.6 AHU Pressure Testing
- 5.7 Rooms, Floor and Building Pressure Testing
- 5.8 References
- Chapter 6. The Foundation of Total System Balancing [Go to Page]
- 6.1 Overview
- 6.2 Document Review
- 6.3 Construction Observation
- 6.4 System Components
- 6.5 Developing the Data Sheets
- 6.6 Contractors’ Responsibilities Prior to Balancing
- 6.7 Pre-Balance Site Review
- 6.8 Economizer Cycle Testing
- Chapter 7. Constant Volume Systems [Go to Page]
- 7.1 Overview
- 7.2 Incremental and Stand-Alone Components
- 7.3 Basic Fan System
- 7.4 Constant Volume Air Handling Units
- 7.5 Multi-Zone Units
- 7.6 Constant Volume Single Duct Systems
- 7.7 Dual Duct Constant Volume System
- 7.8 High-Pressure System with Induction Units
- Chapter 8. Terminal Boxes for Constant Volume and Variable Systems [Go to Page]
- 8.1 Overview
- 8.2 Single Duct Constant Primary, Constant Secondary
- 8.3 Single Duct Variable Primary, Variable Secondary
- 8.4 Single Duct Constant Primary, Variable Secondary Bypass Systems
- 8.5 Single Duct Variable Primary, Constant Secondary Induction Systems
- 8.6 Single Duct Variable Primary/Constant Secondary Fan Powered Series Terminal boxes
- 8.7 Variable Primary/Variable Secondary Fan Powered Parallel Terminal Box
- 8.8 Dual Duct Terminal boxes
- Chapter 9. Variable Volume [Go to Page]
- 9.1 Overview
- 9.2 Single Duct Air Valve with Variable Primary, Variable Secondary
- 9.3 Bypass Air Valve Constant Primary, Variable Secondary Bypass Systems
- 9.4 Variable Primary/Constant Secondary Fan Powered Series Terminal Boxes
- 9.5 Variable Primary/Variable Secondary Fan Powered Parallel Terminal Box
- 9.6 Dual Duct Variable Volume
- 9.7 Fan Wall Systems
- 9.8 Underfloor Air Distribution Systems
- Chapter 10. Fan Systems: Supply/Return/Relief/Exhaust [Go to Page]
- 10.1 Overview
- 10.2 Air Handling Unit Systems
- 10.3 Utility Vent Sets
- 10.4 Tubular Centrifugal Fans
- 10.5 Power Roof Ventilators
- 10.6 Propeller Fans
- 10.7 Axial Fans
- 10.8 Variable Volume
- 10.9 Manifolded Systems
- Chapter 11. Energy Recovery Systems/Panels/Chilled Beams [Go to Page]
- 11.1 OVERVIEW
- 11.2 Rotating Wheel and Rotating Desiccant Wheel
- 11.3 Air-to-Air Plate Heat Recovery Units
- 11.4 Thermosiphon Heat Exchangers
- 11.5 Run Around Coil
- 11.6 Panels Used for Sensible Heating and Cooling
- 11.7 Chilled Beams
- 11.8 References
- Chapter 12. Temperature Control Systems [Go to Page]
- 12.1 Overview
- 12.2 Basic Verification of Controls
- 12.3 Verification and Documentation
- Chapter 13. Hydronic Pumps and Pumping Circuits [Go to Page]
- 13.1 Overview
- 13.2 Pump Head Measurement
- 13.3 Verification of Impeller Size
- 13.4 Determine Pump Flow
- 13.5 Piping Circuits
- 13.6 Pump Circuits
- Chapter 14. Hydronic Devices [Go to Page]
- 14.1 Hydronic Devices
- 14.2 Hydronic Flow Measuring
- Chapter 15. Hydronic Procedures [Go to Page]
- 15.1 Overview
- 15.2 Hydronic System Readiness
- 15.3 Constant Volume Water Balancing Procedure (Two-Pipe System, Direct or Reverse Return)
- 15.4 Variable Volume Water Balancing Procedure
- 15.5 Heating Terminal Temperature Balance
- 15.6 Steam
- 15.7 Capacity Testing
- Chapter 16. Chiller Testing [Go to Page]
- 16.1 Overview
- 16.2 Basic Testing
- 16.3 Field Performance Testing Of Chillers
- Chapter 17. Cooling Tower Testing [Go to Page]
- 17.1 Overview
- 17.2 Basic Test
- 17.3 Performance Test Parameters
- 17.4 AABC Performance Test
- 17.5 CTI Performance Test
- Chapter 18. Boiler Testing [Go to Page]
- 18.1 Overview
- 18.2 Basic Test for Hot Water Boilers
- 18.3 Boiler Performance Calculations
- 18.4 Efficiency Test
- 18.5 Boiler Testing Procedures
- Chapter 19. Domestic Water Balance Preparation & Procedures [Go to Page]
- 19.1 Overview
- 19.2 Document Review
- 19.3 Plan Review
- 19.4 Submittal Review
- 19.5 Domestic Hot Water Test Plan
- 19.6 Instrumentation
- 19.7 Testing Procedure for Domestic Hot Water Systems
- Chapter 20. Kitchen Systems [Go to Page]
- 20.1 Overview
- 20.2 The Heating, Cooling, and Ventilating System
- 20.3 Kitchen Hoods
- 20.4 Hoods With Make-Up Air Provisions
- 20.5 Final Balance Procedures
- 20.6 References
- Chapter 21. Laboratory Systems (Constant Volume & Variable Volume [Go to Page]
- 21.1 Overview
- 21.2 Terminology
- 21.3 Testing the Lab Exhaust
- 21.4 Testing the Lab Supply
- 21.5 Pressurization
- 21.6 Testing Exhaust Systems
- 21.7 Testing Supply Systems
- 21.8 Stack Velocity
- 21.9 Tracking the Systems and Certifying
- 21.10 Bio-safety Cabinets
- 21.11 References
- Chapter 22. Sound [Go to Page]
- 22.1 Overview
- 22.2 Sound Measuring Instruments
- 22.3 Sound Rating Methods
- 22.4 Acceptable Noise
- 22.5 Testing Procedures for Measuring Sound Levels
- Chapter 23. Vibration Testing [Go to Page]
- 23.1 Overview
- 23.2 Vibration Meters
- 23.3 Test Points
- 23.4 Testing Procedures for Vibration Measurements
- Chapter 24. Smoke Control Testing [Go to Page]
- 24.1 Overview
- 24.2 Basic Testing
- 24.3 Smoke Control Acceptance Testing
- 24.4 Testing Procedures for Smoke Control Systems
- 24.5 Atriums
- 24.6 References
- Chapter 25. Testing and Balancing Health Care Facilities [Go to Page]
- 25.1 Overview
- 25.2 Pressurization
- 25.3 Procedures for Measuring Room Pressures
- 25.4 Smoke Testing for Direction of Airflow
- 25.5 Reporting Procedures for ORs, AII Rooms and PE Rooms
- 25.6 Heating
- 25.7 Outdoor Air Intakes and Exhaust Discharge
- 25.8 Filtration
- 25.9 References
- Chapter 26. HVAC Commissioning [Go to Page]
- 26.1 Overview
- 26.2 HVAC Commissioning Plan
- 26.3 Terminology
- 26.4 Schedule of HVAC Commissioning
- 26.5 References
- Chapter 27. Specification [Go to Page]
- 27.1 Overview
- 27.2 Contractor’s Responsibility Specification
- 27.3 Sample Testing and Balance Specification
- Chapter 28. Report Analysis & Verification [Go to Page]
- 28.1 Overview
- 28.2 What a Report Provides
- 28.3 Using A Report
- 28.5 Verification
- Appendices
- APPENDIX A - Sample Test & Balance Report Forms [Go to Page]
- Title Page
- Table of Contents
- Report Summary
- Instrument List
- Air Moving Equipment Data
- Static Pressure Profile
- Fan Data
- Duct Traverse Data
- Air Flow Station Data
- Air Distribution Data
- Terminal Unit Data
- Induction Unit Data
- Temperature Reading Data
- Electric Duct Heater Data
- Pump Data
- Water Balance Data
- Water Flow Measuring Station Data
- Cooling Coil Data
- Direct Expansion Cooling Coil Data
- Heating Coil Data
- Cooling Tower Data
- Chiller Data
- Air Cooled Chiller Data
- Hot Water Boiler Data
- Steam Boiler Data
- Steam Heat Exchanger Data
- Control Verification Data
- Sequence of Operation Functional Performance Test
- Input/Output Device Functional Performance Test
- Fume Hood Test Data
- Kitchen Hood Data
- Duct Leakage Test Data
- APPENDIX B - Density Correction Tables [Go to Page]
- Density Correction For Temperature at 29.92° Barometric Pressure
- Density Correction For Altitude
- APPENDIX C - Anemometer Traverse Sample Form [Go to Page]
- Coil Traverse With Rotating Vane
- APPENDIX D - Static Pressure Measuring Points [Go to Page]
- Air Handling Unit Schematic
- Points at Which to Measure Static Pressure in a Constant-Volume, SingleSystem
- Points at Which to Measure Static Pressure in a Constant-Volume, Multi-Zone System
- Points at Which to Measure Static Pressure in a Constant-Volume, Reheat System
- Points at Which to Measure Static Pressure in a Single Duct Variable Primary, Constant
Secondary Induction System
- Points at Which to Measure Static Pressure in a Pressure-Independent Single Duct Constant
Primary, Constant Secondary System
- Points at Which to Measure Static Pressure in a Constant Volume, Pressure-Independant Dual
Duct System
- Points at Which to Measure Static Pressure in a Single Duct, Variable Primary/Variable Secondary, Pressure-Dependent VAV System
- Points at Which to Measure Static Pressure in a Single Duct, Variable Primary/Variable
Secondary, Pressure-Independent VAV System
- Points at Which to Measure Static Pressure in a Single Fan Dual Duct, Variable Primary/
Variable Secondary, Pressure-Independent VAV
- Points at Which to Measure Static Pressure in a Variable Primary, Constant Secondary,
Pressure-Independent Series, Fan-Powered Terminal VAV System
- Points at Which to Measure Static Pressure in a Variable Primary/ Constant Secondary,
Pressure-Dependent Series, Fan-Powered Terminal VAV System
- Points at Which To Measure Static Pressure in a Variable Primary/ Variable Secondary,
System-Powered Bladder Terminal VAV
- Points at Which to Measure Static Pressure in a Constant Primary/Variable Secondary Bypass
VAV System
- Points at Which to Measure Static Pressure in a Variable Primary/Variable Secondary,
Pressure-Independent Fan-Powered Parallel Terminal Box VAV System
- Points at Which to Measure Static Pressure in a Return Fan System
- APPENDIX E - Enthalpy Chart, Btu/lb. Air (Saturated)
- APPENDIX F - Determining Net Positive Suction Head
- APPENDIX G - Water Temperature Drop vs. Entering Temperature Differential
- APPENDIX H - Instrumentation Verification Records [Go to Page]
- Record of Verifying Calibration Check Points: Rotating Vane Anemometer
- Record of Verifying Calibration Check Points: Laser Tachometer
- Record of Verifying Calibration Check Points: Multimeter
- Record of Verifying Calibration Check Points: Digital Flow Hood
- Record of Verifying Calibration Check Points: Strobe Tachometer
- Record of Verifying Calibration Check Points: Thermometer
- Record of Verifying Calibration Check Points: Contact Tachometer
- Record of Verifying Calibration Check Points: Hydrodata Multimeter – Water Meter
- Tower Test Curve at 79°F Approach vs. Heat Rejection
- APPENDIX J - Cooling Tower Performance Test - CTI Procedure for Forced-Draft Tower
- APPENDIX K - Cooling Tower Performance Test - CTI Procedure for Induced-Draft Tower
- APPENDIX L - Cooling Tower Performance Test Forms For Procedures Identified in Appendix I, J, and K [Go to Page]
- Cooling Tower Test Report: Summary Sheet
- Cooling Tower Test Report: Pitot Tube Water Flow Measurement Under 18 Inches Diameter
- Cooling Tower Test Report: Pitot Tube Water Flow Measurement Over 18 Inches Diameter
- Cooling Tower Test Report: Wet Bulb Temperatures
- Cooling Tower Test Report: Entering and Leaving Water Temperatures
- Cooling Tower Test Report: Break Horsepower and Wind
- Cooling Tower Test Report: Make-Up Water GPM and Temperature, Pump Pressure, Dry-Bulb Temperature, Barometric Pressure
- Cooling Tower Test Report: Forced Draft Tower
- Cooling Tower Test Report: Induced Draft Tower
- APPENDIX M - Tables for Saturated Steam [Go to Page]
- Table for Saturated Steam (IP) by Temp °F
- Table for Saturated Steam (IP) by ABS Pressure In Mercury
- Table for Saturated Steam (IP) by ABS Pressure In LB. SQ. IN
- Table for Saturated Steam (SI) by Temp °C
- Table for Saturated Steam (SI) by kPa
- APPENDIX N - Vibration Test Sheets [Go to Page]
- Vibration Test Sheet: Air Handling Unit
- Vibration Test Sheet: Centrifugal Fan
- Vibration Test Sheet: End Suction Pump
- Vibration Test Sheet: Horizontal Split Case Pump
- Vibration Test Sheet: In-Line Fan
- Vibration Test Sheet: Utility Fan
- Vibration Test Sheet: Vaneaxial Fan
- APPENDIX O - Common Metric Conversions
- APPENDIX P - SI Equation Conversions
- Index [Go to Page]
