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TAB Procedural Guide, 1st Edition, 2003

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FOREWORD
NOTICE TO USERS OF THIS PUBLICATION
TABLE OF CONTENTS
CHAPTER 1 INTRODUCTION [Go to Page]
1.1 SCOPE
1.2 PURPOSE
1.3 HOW TO USE THIS GUIDE
1.4 THE APPLICATION OF TAB
1.5 THE TAB TECHNICIAN/TEAM
1.6 ENERGY COSTS AND COMFORT
CHAPTER 2 PRELIMINARY TAB PROCEDURES [Go to Page]
2.1 INITIAL PLANNING
2.2 CONTRACT DOCUMENTS
2.3 SYSTEM REVIEW AND ANALYSIS
FIGURE 2-1 SCHEMATIC DUCT SYSTEM LAYOUT
2.4 THE AGENDA
FIGURE 2-2 INSTRUMENTS SELECTED FOR A SPECIFIC JOB
2.5 PLANNING FIELD TAB PROCEDURES
2.6 PRELIMINARY FIELD PROCEDURES
CHAPTER 3 GENERAL AIR SYSTEM TAB PROCEDURES [Go to Page]
3.1 BASIC FAN TESTING PROCEDURES
3.2 SYSTEM START-UP
3.3 FAN TESTING
3.4 DEFICIENCY REVIEW
3.5 RETURN AND OUTSIDE AIR SETTINGS
3.6 ANALYSIS OF MEASUREMENTS
3.7 RECORDING DATA
3.8 PROPORTIONAL BALANCING (RATIO) METHOD
3.9 PERCENTAGE OF DESIGN AIRFLOW
Table 3-1 Sample of Airflow Rates
FIGURE 3-1 SAMPLE SUPPLY AIR DUCT (PART)
3.10 SYSTEM AIRFLOW
3.11 BASIC OUTLET BALANCING PROCEDURES
3.12 STEPWISE METHOD
FIGURE 3-2 TYPICAL AIR DIFFUSER CFM MEASUREMENT
3.13 FAN ADJUSTMENT
3.14 WET COIL CONDITIONS
3.15 AIRFLOW TOTALS
3.16 EXHAUST FANS
3.17 FAN DRIVE ADJUSTMENT
3.18 DAMPER ADJUSTMENTS
3.19 DUCT TRAVERSES
FIGURE 3-3 MEASURING EXHAUST AIR VELOCITY ON LAB EXHAUST HOOD WITH SASH HEIGHT
3.20 SYSTEM DEFICIENCIES
3.21 FUME HOOD EXHAUST BALANCING PROCEDURES
FIGURE 3-4 EXAMPLE OF EXHAUST HOOD AIR BALANCE LABEL
3.22 DUST COLLECTION AND EXHAUST BALANCING PROCEDURES
FIGURE 3-5 SAMPLE DUST COLLECTION EXHAUST SYSTEM
3.23 AIRFLOW MEASUREMENTS ON DISCHARGE STACKS
3.24 INDUSTRIAL VENTILATION
3.25 SELECTION OF INSTRUMENTS
CHAPTER 4 TAB PROCEDURES FOR SPECIFIC AIR SYSTEMS [Go to Page]
4.1 INTRODUCTION
4.2 VARIABLE AIR VOLUME (VAV) SYSTEMS
FIGURE 4-1 TYPICAL VARIABLE AIR VOLUME (VAV) SYSTEM
FIGURE 4-2 OPEN LOOP FAN VOLUME CONTROL
FIGURE 4-3 CLOSED LOOP FAN VOLUME CONTROL
FIGURE 4-4 FAN AND SYSTEM CURVES, CONSTANT-SPEED FAN
FIGURE 4-5 FAN AND SYSTEM CURVES, VARIABLE-SPEED FAN
FIGURE 4-6 SERIES FAN POWERED VAV UNIT
FIGURE 4-7 PARALLEL FAN POWERED VAV UNIT
FIGURE 4-8 PAPER STRIP AT VAV BOX RETURN BEFORE BALANCING
FIGURE 4-9 PAPER STRIP AT VAV BOX AFTER BALANCING
FIGURE 4-10 CONSTANT FAN VAV BOX
FIGURE 4-11 INTERMITTENT FAN VAV BOX (PARALLEL) CYCLE
4.3 MULTI-ZONE SYSTEMS
4.4 INDUCTION UNIT SYSTEMS
FIGURE 4-12 MULTI-ZONE SYSTEM
4.5 DUAL DUCT SYSTEMS
FIGURE 4-13 DUAL DUCT SYSTEM
4.6 SPECIAL EXHAUST AIR SYSTEMS
FIGURE 4-14 INDUCTION UNIT SYSTEM
4.7 PROCESS EXHAUST AIR SYSTEMS
CHAPTER 5 HYDRONIC SYSTEM TAB PROCEDURES [Go to Page]
5.1 HYDRONIC SYSTEM MEASUREMENT METHODS
FIGURE 5-1 HYDRONIC FLOW MEASUREMENT
FIGURE 5-2 EXTERNAL ULTRASONIC FLOW SENSOR ON PIPE WITH INSULATION REMOVED
FIGURE 5-3 ULTRASONIC FLOW METER
5.2 BASIC HYDRONIC SYSTEM PROCEDURES
5.3 PIPING SYSTEM BALANCING
5.4 BALANCING SPECIFIC SYSTEMS
5.5 VARIABLE VOLUME FLOW
FIGURE 5-4 EFFECTS OF FLOW VARI-ATION ON HEAT TRANSFER
FIGURE 5-5 PERCENT VARIATION TO MAINTAIN 90% TERMINAL HEAT TRANSFER
Table 5-1 Load-Flow Variations
FIGURE 5-6 CHILLED WATER TERMINAL FLOW VERSUS HEAT TRANSFER
FIGURE 5-7 PUMP WITH VARIABLE SPEED DRIVE
5.6 PRIMARY-SECONDAR Y SYSTEMS
5.7 SUMMER-WINTER SYSTEMS
FIGURE 5-8 EXAMPLE OF PRIMARY AND SECONDARY PUMPING CIRCUITS
FIGURE 5-9 SUMMER-WINTER SYSTEMS
CHAPTER 6 TAB REPORT FORMS [Go to Page]
6.1 PREPARING TAB REPORT FORMS
6.2 DESCRIPTION OF USE
INDEX [Go to Page]

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TAB Procedural Guide, 1st Edition, 2003