HVAC Fundamentals
Prerequisite: None
Duration: 4 hours
Learning Objectives/Competencies for the module
After this class, a building operator should be able to:
- Describe basic HVAC system components and how they correlate and interact with each other.
- Differentiate between different boiler types, describe boiler operations, and be familiar with the various components of boiler maintenance and hot water distribution methods
- Recall basic furnace components and their maintenance.
- Recognize common failure modes of HVAC equipment.
- Understand and be able to explain the refrigeration cycle.
- Describe various heating and cooling systems and their maintenance and be able to explain why safety measures are necessary and what those entail.
- Explain the role, components, and importance of ventilation and air distribution systems.
- Discuss the components and benefits of effective preventative operations and maintenance programs and be able to describe O&M best practices.
Content/Agenda
- Introduction to HVAC
- HVAC Systems Overview
- Heating & Cooling Systems
- HVAC Systems – Basics
- Facility HVAC Overview
- Mechanical Room
- Boiler Fundamentals
- Boiler Types
- Boiler Operation
- Boiler Maintenance
- Hot Water Distribution Methods
- Furnaces
- Basic Furnace Components
- Furnace Maintenance
- Packaged HVAC Systems
- Components of a packaged unit
- Common Failure Modes for HVAC Equipment
- Refrigerant Evolution Away from ODS
- Refrigeration Cycle Terms & Definitions
- Refrigeration Cycle
- Chilled Water Systems Basics
- Cooling Towers
- Cooling Tower Maintenance/li>
- Cooling Tower Maintenance & Safety
- Chilled Water Systems
- Water Cooled Chiller
- Water-Side Economizer
- Evaporative Cooling
- Condenser Illustrations
- Air-Cooled Chilled Water System
- Heat Pumps
- Mini-Split Systems
- Maintaining and Optimizing Chilled Water Systems
- Building Cooling Optimizing
- Activity – Walk Through the System
- Air Systems
- Basics
- Constant Volume with Reheat
- Variable Air Volume with Reheat
- Dual Duct
- Multizone
- Air System Fans
- ASHRAE Fan Types
- Coils
- Air Filters
- Filter Efficiency
- Dampers
- Damper Maintenance
- Ventilation
- Ventilation Requirements
- Minimum Outside Air
- Discussion Question
- Air System Terminals
- Ducting & Air Distribution
- Air Outlets and Inlets
- Learning activity: Mechanical Room Components
- How do we maintain these systems?
- Elements of Effective O&M
- Operation Tasks
- Maintenance Tasks
- Value of O&M Best Practices
- Resources for O&M Best Practices
- Types of Maintenance
- O&M Practices
- Case Study O&M Best Practices
Methods and Learning
Discussion Questions
Activity
Learning Activity: Mechanical Room Components