HVAC Troubleshooting
When an air conditioning, heating or ventilation system goes on the fritz, your the homeowner's salvation. However, you may not have much information on what's wrong, so you will have be an HVAC detective. This playlist covers many common HVAC troubleshooting processes.
When your air conditioning, heating or ventilation systems go on the fritz, it can seem like you’ll have to put the handyman tools away and call in the professionals.
-
Repairing a Leak on a Ductless System
Performing leak repairs on ductless systems is a task any good HVAC technician needs to understand how to do. In this video, we will show you where the most common leaks are, how to repair the leak, evacuate the system, and how to properly charge a ductless system.
-
How to Replace a Thermal Expansion Valve on a Heat Pump
Heat pumps use more than one expansion valve due to the fact that the refrigerant can flow in both directions. In this video, we will show you how one of these popular valves is replaced on the outdoor unit as opposed to the typical replacement on an indoor coil.
-
Evacuation Best Practices
In this video, we will demonstrate how to pull the quickest, deepest vacuum using modern technology, and how to use high-performance vacuum kits designed to get this job done quickly and efficiently.
-
How to Add and Remove Refrigerant
This video will show you the in's and out's of adding and removing refrigerant to a cooling system in the field. We will discuss heat pump charging in a separate video.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
-
Testing and Installing a Transformer
In this video, you will learn how to accurately test and replace a transformer on an operating HVAC system.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
-
How to Measure Static Pressure
Measuring static pressure is a vital task that must be performed in order to understand how the system is operating. It is also equally important to understand if there is a problem with the ductwork. This video will demonstrate how this is done.
Interested in learning more about NexTech Acade...
-
Replacing a Condenser Coil
Often, a customer's condenser coil may be damaged by hail, ruined by corrosion, and cannot be combed out. Or, it could have a refrigerant leak, and be under warranty. In these cases, the coil itself on the outdoor unit needs to be replaced. This video will describe how this process is done.
Inte...
-
Measuring Resistance
In this video, we will show you how to use a multimeter to check resistance on an electrical circuit in the field, which is a vital task for diagnosing equipment problems.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
-
How to Join Black Pipe and Perform a Gas Leak Search
Here, we will demonstrate how to join black iron gas pipe, and how to perform a gas leak search on a gas heating system in the field.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
-
Troubleshooting Gas Piping
In this instructional video, we will show you how to troubleshoot problems in the gas piping going to a gas furnace. Everything from inlet gas pressure, gas regulators, manifold pressure, and gas piping problems.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy...
-
Installing a Compressor Terminal Repair Kit
Many times you can have a compressor that has burned out terminals on it. This is usually caused by a loose connection. In this video, we will show you how to install a compressor terminal repair kit to get the system back up and running.
Interested in learning more about NexTech Academy? Visit ...
-
Measuring Current
Knowing how to check the current on system components is vital to an HVAC service technician. In this video, we will demonstrate how this is done.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
-
Installing a Surge Protector
We will introduce you to the surge protector, as well as an industry-proven method of how to install them on a system. Depending on your region, these can be a great add-on to any maintenance or service call.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
-
Measuring Voltage
It is imperative that you know how to safely and properly measure voltage on a system in the field. In this video, we will show you how to properly measure voltage on a piece of equipment.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
-
How to Add Propylene Glycol to a Boiler System
Adding glycol to a boiler system is necessary for cold climates where the possibility of frozen boiler lines happens or could happen. In this instructional video, we will show you how to add glycol to an existing system in the field and show you which tools you will need to perform this task.
-
How to Install and Setup a Glycol Feeder
Installing glycol feeders are necessary in cold climates where the possibility of frozen boiler lines happens or could happen. In this instructional video, we will show you how to install these in the field.
-
Installing and Setting Up In-Floor Heating Manifolds
In this video, you will learn how to install and set up an in-floor heating manifold for a radiant heating system connected to a boiler.
-
Replacing an Expansion Tank
In this video, we will show you how to properly replace a failed boiler expansion tank on a system in the field. This is an important task for any boiler technician in the field. We will also give tips on how to make this process easier.
Interested in learning more about NexTech Academy? Visit h...
-
Expansion Tanks Types and Testing
Let's focus on the different types of boiler expansion tanks you will see in a residential setting. We will also cover the process of testing these in the field.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
-
Troubleshooting and Replacing a Zone Valve
In this video, we will show you in detail how to diagnose, troubleshoot, and replace zone valves on a boiler system in the field.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
-
Zone Valve Operation and Testing
You will be shown how to properly test a zone valve for operation on a hydronic heating system in the field. These should be inspected any time you are on a maintenance or service call.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
-
Troubleshooting and Replacing an Aquastat
In this video, we will show you how to properly diagnose and replace an aquastat for a boiler system.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com
-
Purging Air and Bleeding Terminals
Air is the enemy in a boiler system and needs to be removed from the system for proper operation. In this video, you will learn how to correctly purge air from a hydronic heating system using standard hoses and boiler drains.
Interested in learning more about NexTech Academy? Visit https://www...
-
Troubleshooting and Replacing a Pressure Switch
This video will demonstrate the proper way to diagnose and/or replace a pressure switch on a gas-burning appliance in the field.
Interested in learning more about NexTech Academy? Visit https://www.nextechacademy.com