Climate Control Systems Technician Course

Lesson 1 • Refrigeration Cycle Principles

Explains the vapour-compression cycle: evaporation, compression, condensation, and expansion. Provides the mechanical foundation for all refrigeration and cooling equipment.

Lesson 2 • Industry Standards and Safety Overview

Introduces regulatory frameworks, refrigerant handling rules, and personal protective equipment requirements. Establishes safe work habits before hands-on training begins.

Lesson 3 • Thermodynamics and Heat Transfer Basics

Covers conduction, convection, and radiation as they apply to HVAC. Establishes the energy principles that govern every system covered in this course.

Lesson 4 • System Components and Their Functions

Identifies compressors, condensers, evaporators, and expansion devices and their roles. Links component function to overall system performance and efficiency.

Lesson 1 • Refrigerant Classification and Properties

Covers ASHRAE refrigerant numbering, safety groups, and thermodynamic properties. Enables correct refrigerant selection based on application and environmental criteria.

Lesson 2 • Refrigerant Recovery and Recycling

Teaches proper recovery machine operation, cylinder handling, and record-keeping. Ensures compliance with environmental regulations governing refrigerant release.

Lesson 3 • System Charging Procedures

Covers vapour and liquid charging methods, manifold gauge use, and target superheat/subcooling values. Directly applies refrigerant knowledge to accurate system charging.

Lesson 4 • Leak Detection and Refrigerant Management

Introduces electronic, UV dye, and bubble leak detection methods. Connects leak management to system efficiency and regulatory compliance.

Lesson 1 • Motors, Contactors, and Relays

Covers single-phase and three-phase motor operation, starting components, and relay logic. Links motor and switching device knowledge to compressor and fan diagnostics.

Lesson 2 • Control Circuits and Thermostats

Explains low-voltage control wiring, thermostat wiring conventions, and sequencing logic. Connects control circuit knowledge to system startup and shutdown diagnostics.

Lesson 3 • HVAC Wiring Diagrams and Schematics

Teaches ladder diagrams, pictorial wiring diagrams, and component symbols. Enables technicians to trace circuits and identify faults from manufacturer documentation.

Lesson 4 • Electrical Safety and Code Compliance

Covers lockout/tagout procedures, grounding, overcurrent protection, and electrical code requirements. Ensures safe work practices before any live electrical diagnostics.

Lesson 1 • Ventilation Standards and Indoor Air Quality

Introduces minimum ventilation rate standards, outdoor air fractions, and contaminant dilution. Links ventilation design to occupant health and regulatory compliance.

Lesson 2 • Exhaust and Makeup Air Systems

Explains kitchen exhaust, bathroom exhaust, and makeup air unit design and installation. Ensures technicians can balance exhaust and supply air to maintain building pressure.

Lesson 3 • Duct System Design Principles

Covers equal-friction, velocity reduction, and static regain duct design methods. Establishes sizing fundamentals that directly affect system airflow and efficiency.

Lesson 4 • Airflow Measurement and Balancing

Teaches pitot tube traversal, flow hood, and anemometer techniques for measuring airflow. Connects accurate measurement to proper system balancing and commissioning.

Lesson 1 • Oil Heating Systems

Covers oil burner components, nozzle selection, fuel pump testing, and electrodes. Extends heating service skills to oil-fired equipment common in many regions.

Lesson 2 • Hydronic Heating Systems

Covers boilers, circulators, expansion tanks, and zone valves in hot-water heating systems. Connects hydronic principles to installation, balancing, and fault diagnosis.

Lesson 3 • Gas Furnace Operation and Components

Covers heat exchanger, burner, ignition, and venting components of gas furnaces. Provides the component-level knowledge needed for accurate furnace diagnostics.

Lesson 4 • Combustion Analysis and Efficiency

Teaches flue gas analysis using combustion analysers to measure CO, CO2, and efficiency. Connects combustion quality to safety, fuel economy, and emissions compliance.

Lesson 1 • Packaged Unit Service Procedures

Explains rooftop and self-contained packaged unit components, access, and service sequences. Extends split system skills to packaged equipment common in commercial applications.

Lesson 2 • Refrigerant-Side Diagnostics

Teaches superheat, subcooling, and pressure ratio analysis to identify refrigerant faults. Connects thermodynamic principles from Chapter 1 to real-world diagnostic decisions.

Lesson 3 • Chiller Systems Overview

Introduces centrifugal, screw, and scroll chiller types, their controls, and service points. Prepares technicians for large commercial cooling equipment encountered in the field.

Lesson 4 • Split System Installation and Start-up

Covers line set sizing, flaring, brazing, evacuation, and initial charge verification. Establishes correct installation practices that prevent premature equipment failure.

Lesson 1 • Energy Management and Demand Control

Covers demand-controlled ventilation, optimal start/stop, and load shedding strategies. Links BAS capabilities to measurable energy savings and peak demand reduction.

Lesson 2 • DDC Controllers and Field Devices

Explains programmable controllers, sensors, actuators, and I/O point types. Connects hardware knowledge to programming and commissioning tasks in later sections.

Lesson 3 • Control Sequences and Programming

Teaches PID control logic, setpoint scheduling, and sequence-of-operations programming. Enables technicians to implement and modify control strategies for HVAC equipment.

Lesson 4 • BAS Commissioning and Troubleshooting

Explains point-to-point verification, trend log analysis, and fault isolation in BAS networks. Prepares technicians to commission new installations and resolve field integration issues.

Lesson 1 • Fault Detection and Diagnostics

Covers rule-based and data-driven fault detection methods and diagnostic workflows. Enables technicians to identify degraded performance before equipment failure occurs.

Lesson 2 • Preventive Maintenance Programmes

Teaches seasonal maintenance tasks, service intervals, and maintenance management systems. Connects scheduled maintenance to reduced breakdowns and lower lifecycle costs.

Lesson 3 • Commissioning Process and Documentation

Covers pre-functional checklists, functional performance testing, and commissioning reports. Establishes the structured process that verifies systems meet design intent.

Lesson 4 • Energy Optimisation Strategies

Teaches chiller plant optimisation, airside economiser control, and heat recovery integration. Applies system-level thinking to achieve maximum efficiency across integrated equipment.