HVAC and Dehumidifying Systems

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File : pdf, 1.33 MB, 227 pages
TOC

1 INTRODUCTION

2 GENERAL
2.1 Load and Energy Calculations
2.1.1 Load Calculation Procedures
2.1.2 Energy Analysis
2.2 Equipment Selection
2.2.1 General
2.2.2 Heating Equipment
2.2.3 Cooling Equipment
2.2.4 Ventilation Equipment
2.2.5 Humidification Equipment
2.2.6 Temperature Controls
2.2.7 Energy Monitoring and Control System (EMCS)
2.2.8 Instrumentation
2.2.9 Metering
2.2.10 Piping Systems
2.2.11 Duct System Design
2.2.12 Industrial Ventilation and Exhaust Systems
2.3 Noise and Vibration Control
2.4 System and Equipment Performance
2.4.1 Cooling Systems
2.4.2 Heating Systems
2.4.3 All-Air Systems
2.4.4 Duct, Pipe, and Equipment Insulation
2.4.5 Computer Programs for Load Calculation
2.5 Mechanical Room Ventilation
2.5.1 Self-Contained Breathing Apparatus (SCBA)
2.6 Radon Mitigation Systems

3 APPLICATIONS
3.1 General
3.2 All Building Types
3.3 Air Force Projects
3.4 Tropical Engineering
3.5 Electronic Facilities
3.6 Air Cargo Terminal
3.7 Aircraft Line Operations Building
3.8 Photographic Building
3.9 Naval Air Station Control Tower
3.10 Liquid Oxygen and Nitrogen Facilities
3.11 Maintenance Facilities for Ammunition, Explosives, and Toxics
3.12 General Maintenance Facilities
3.13 Hospital, Dental, and Medical Facilities
3.14 Family Housing
3.15 Bachelor Enlisted Quarters
3.16 Bachelor Officer Quarters
3.17 Industrial Ventilation
3.18 Kitchen Ventilation
3.19 Laundries

4 INFORMATION REQUIRED ON DRAWINGS
4.1 General
4.1.1 Identification of Drawings
4.1.2 Equipment Schedules
4.1.3 Duct Pressure Classifications
4.1.4 Riser Diagrams
4.1.5 Controls
4.1.6 Maintainability
4.1.7 Symbols and Abbreviations
4.1.8 Building Column Lines and Room Names

5 LOAD CALCULATIONS
5.1 General
5.2 Heating Load
5.2.1 Transmission
5.2.2 Infiltration and Ventilation
5.2.3 Total Heating Load
5.3 Cooling Load
5.3.1 Transmission
5.3.2 Infiltration and Ventilation
5.3.3 Internal Loads

6 AIR DISTRIBUTION
6.1 Duct Design for HVAC Systems
6.2 Fans for HVAC Systems
6.3 Economizer Cycle
6.4 Terminal Equipment
6.5 Louvers
6.6 Filters for VAV Systems
6.7 Access for Inspection and Maintenance
6.8 VAV System Design
6.9 Ductwork Pressure-Velocity Classification

7 PIPING SYSTEMS
7.1 General
7.1.1 Piping Design Factors
7.1.2 Pipe Friction Loss
7.1.3 System Pressure Loss
7.1.4 Piping Layouts
7.1.5 Expansion
7.1.6 Expansion Loop
7.1.7 Packing-Type Expansion and Ball Joints
7.1.8 Bellows Expansion Joints
7.1.9 Supports and Anchors
7.1.10 Flexible Hose
7.2 Water Systems
7.2.1 General
7.2.2 Hot Water Heating Systems
7.2.3 Chilled Water
7.3 Steam
7.3.1 General
7.3.2 Low Pressure Steam Systems
7.3.3 High Pressure Steam Systems
7.3.4 Boilers
7.3.5 Freezing of Steam Coils - General
7.3.6 Refrigerant Piping

8 CONTROLS AND INSTRUMENTATION
8.1 General Requirements
8.1.1 Choice of Controls
8.1.2 Designing DDC Systems
8.2 Standard Sequences of Operations
8.3 Single Zone Unit Sequence of Operation
8.4 Multizone Unit Sequence of Operation
8.5 Variable Air Volume (VAV) Unit Sequence of Operation
8.6 Commissioning Procedures
8.6.1 Functional Performance Test
8.6.2 Preparation for Acceptance Testing
8.6.3 System Static Checkout
8.6.4 System Dynamic Checkout
8.6.5 Procedures for Single Zone Control System
8.6.6 Procedures for Multizone Control System
8.6.7 Variable Air Volume (VAV) Control System

9 EQUIPMENT LOCATION
9.1 General
9.2 Specific Considerations
9.2.1 Noise
9.2.2 Access for Operations and Maintenance
9.2.3 Blocked Access
9.2.4 Emission of Odors
9.2.5 Cooling Tower Vibration

10 FUNDAMENTAL DRAWING DETAILS
10.1 General
10.2 Specifics
10.2.1 System Diagrams and Schematics
10.2.2 Equipment Schedules
10.2.3 Riser Diagrams
10.2.4 Duct Pressure Classifications
10.2.5 Symbols and Abbreviations

11 RULES OF THUMB GUIDANCE
11.1 General
11.2 Air Conditioning Capacity
11.3 Heating Capacity
11.4 Moisture Loads
11.5 Chilled Water Circulation
11.6 Hot Water
11.7 Condenser Water
11.8 Steam
11.9 Condensate

12 FIRE PROTECTION AND SMOKE CONTROL
12.1 General
12.2 System Design
12.3 Engineered Smoke Control System

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