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Charging Part 2 starts with superheat and subcooling basics. It covers why, when, and where to measure superheat, superheat charging charts, and reading subcooling tables and curves. It also explores the relationship between refrigerant pressures and...

In this course learners will learn how to identify the different types of chiller systems, their purpose in a building, their basic components, and about the heat rejection side of the system. Learners will also look at primary and secondary...

Take your chiller troubleshooting skills to the next level by diagnosing specific causes of two different alarms in this course. Explore four reasons a chiller system would throw a high pressure cutout alarm. Then diagnose five reasons why a chiller...

This is an assessment simulation, where you'll use the steps and skills you've learned and practiced on the Interplay platform to determine the fault and fix each scenario. Use the bottom tool bar to navigate around the environment, inspect...

Learn what the major components of a chiller unit are and how each one fits into a pressure enthalpy chart, on both the high and low side of the system.

By the end of this course learners will understand the importance of cleaning and types of cleaning jobs. They will also be able to explain the difference between cleaning, sanitizing, and disinfecting; the importance of dwell time; and where to find...

In this intermediate course on Combustion Analysis, we will explore how combustion occurs, what gases are produced, and what acceptable ranges are. With each scenario, you will be guided with realistic steps of interaction to complete the procedures...

A brief overview of residential HVAC Air Balancing as it relates to the HVAC industry. This course is intended to provide a basic understanding of how to balance and adjust a system to ensure an accurate system air balance and optimal occupant...

A brief overview of how humidity affects comfort, types of humidifiers and dehumidifiers, and installing dehumidifiers and humidifiers for ideal humidity levels according to HVAC industry standards. This course is intended to provide a basic...

Learn to troubleshoot common mechanical and electrical faults with a simple 3 phase compressor split commercial AC unit. It's hot outside and these diners need some relief while they enjoy their meal. Do you have what it takes to fix the problem?