Heating, Ventilation, Air-conditioning and Refrigeration (HVAC&R): Equipment Installation, Diagnosis, Repairs, Maintenance & Troubleshooting

Part 1 - Introduction

v HVAC History

v Scope of Modern HVAC

v Common HVAC Units and Dimension

v HVAC Theory and Principles

v Basic Thermodynamic Principles

v Introduction to Psychometric Chart

Part 2 - Air-Conditioning Systems

v The Complete System

v System Selection and Arrangement

v HVAC Components and Distribution Systems

v Types of All-Air Systems

v Air-and-Water Systems

v All-Water Systems

v Decentralized Cooling and Heating

v Heat Pump Systems

v Heat Recovery Systems

v Thermal Energy Storage

Part 3 - Moist Air Properties and Conditioning Processes

v Moist Air and the Standard Atmosphere

v Fundamental Parameters

v Adiabatic Saturation

v Wet Bulb Temperature and the Psychometric Chart

v Classic Moist Air Processes

v Space Air Conditioning-Design Conditions

v Space Air Conditioning-Off-Design Conditions

Part 4 - Comfort and Indoor Air Quality (IAQ)

v Comfort-Physiological Considerations

v Environmental Comfort Indices

v Comfort Conditions

v The Basic Concerns of IAQ

v Indoor Air Quality Effects on Health and Comfort

v Controlling IAQ

v ASHARE Standard - Ventilation for Comfortable IAQ

v Common Contaminants

v Methods to Control Humidity

v Methods to Control Contaminants

Part 5 - Heat Transmission in Building Structures

v Basic Heat-Transfer Modes

v Tabulated Overall Heat-Transfer Coefficients

v Moisture Transmission

Part 6 - Space Heating Load

v Outdoor Design Conditions

v Indoor Design Conditions

v Transmission Heat Losses

v Infiltration

v Heat Losses from Air Ducts

v Auxiliary Heat Sources

v Intermittently Heated Structures

v Supply Air For Space Heating

v Source Media for Space Heating

v Computer Calculation of Heating Loads

Part 7 - Solar Radiation

v Thermal Radiation

v The Earth's Motion About the Sun

v Time

v Solar Angles

v Solar Irradiation

v Heat Gain Through Fenestrations

v Energy Calculations

Part 8 - The Cooling Load

v Heat Gain, Cooling Load, and Heat Extraction Rate

v Application of Cooling Load Calculation Procedures

v Design Conditions

v Internal Heat Gains

v Overview of the Heat Balance Method

v Transient Conduction Heat Transfer

v Outside Surface Heat Balance-Opaque Surfaces

v Fenestration-Transmitted Solar Radiation

v Interior Surface Heat Balance-Opaque Surfaces

v Surface Heat Balance-Transparent Surfaces

v Zone Air Heat Balance

v Implementation of the Heat Balance Method

v Radiant Time Series Method

v Implementation of the Radiant Time Series Method

v Supply Air Quantities

Part 9 - Energy Calculations and Building Simulation

v Degree-Day Procedure

v Bin Method

v Comprehensive Simulation Methods

v Energy Calculation Tools

v Other Aspects of Building Simulation

Part 10 - Flow, Pumps, and Piping Design

v Fluid Flow Basics

v Centrifugal Pumps

v Combined System and Pump Characteristics

v Piping System Fundamentals

v System Design

v Steam Heating Systems

Part 11 - Space Air Diffusion

v Behavior of Jets

v Air-Distribution System Design

Part 12 - Fans and Building Air Distribution

v Fans

v Fan Relations

v Fan Performance and Selection

v Fan Installation

v Field Performance Testing

v Fans and Variable-Air-Volume Systems

v Air Flow in Ducts

v Air Flow in Fittings

v Accessories

v Duct Design-General

v Duct Design-Sizing

Part 13 - Direct Contact Heat and Mass Transfer

v Combined Heat and Mass Transfer

v Spray Chambers

v Cooling Towers

Part 14 - Extended Surface Heat Exchangers

v The Log Mean Temperature Deficiency (LMTD) Method

v The Number of Transfer Units (NTU) Method

v Heat Transfer-Single-Component Fluids

v Transport Coefficients Inside Tubes

v Transport Coefficients Outside Tubes and Compact Surfaces

v Design Procedures for Sensible Heat Transfer

v Combined Heat and Mass Transfer

Part 15 - Refrigeration

v The Performance of Refrigeration Systems

v The Theoretical Single-Stage Compression Cycle

v Refrigerants

v Refrigeration Equipment Components

v The Real Single-Stage Cycle

v Absorption Refrigeration

v The Theoretical Absorption Refrigeration System

v The Aqua-Ammonia Absorption System

v The Lithium Bromide-Water System

Part 16 - Tools and Equipment for Maintenance

v Vacuum Pump and Charging Cylinder

v Manifold Gauge and Brazing Equipment

v Pinch-Off Tool Capable

v Leak Detector and Tubing Cutter

v Hand Tools to Remove Components

v Digital Clamp-on Meter and Thermometer

v Pliers and Clippers

v Soldering Equipment

v Air Velocity Measuring Instrument

Part 17 - Inspection and Maintenance of HVAC Components and System

v Maintenance, Definition

v Types of Maintenance

v The Need for HVAC System Maintenance

v Preventive Maintenance in HVAC System

v What to do:

• During Season?
• When Season Begins?
• During Off-Season

v Unit Operation and Maintenance

Part 18 - Service Diagnosis and Repairs

v Pressure Drop External Equalizing

v Suction Line Frosting

v Distributor Refrigerant Control

v Replacing a Thermostatic Expansion Valve

v Replacing the Filter Drier

v Low Side Purging

v Moisture in the System

v Compressor Efficiency Test

v Removing Compressor Valve Plate Assembly

v Removing a Compressor Rotary Shaft Seal

v Excessive Operating Head Pressure

v High Side Purging

v Water Cooled Condensers

v Compressor Motor Burnâ€ÂÂOut

v Pressure Controls

v Motor Cycling Controls

v System Faults

v Noise

v Simple Steps For Service Diagnosis

Part 19 - Testing and Troubleshooting of HVAC Components

v Testing precaution

v Compressor Problems

v Capacitor testing

v Measuring the capacity of a capacitor

v Electric Motors

v Motorâ€ÂÂprotector relay testing

v Using a Voltâ€ÂÂAmmeter for Trouble shooting Electric Motors

v Testing the Centrifugal Switch in a Singleâ€ÂÂPhase Motor

v Testing for a Short Circuit between Run and Start Windings

v Troubleshooting Procedures