Troubleshooting HVAC Equipment Using Order Of Operation

Troubleshooting HVAC equipment can be difficult at times, knowing and using the equipment’s order of operation can lead you down the right track. To understand this order you will need to study the wiring diagram, check out this article to help with that. You will also need to do some observing of the machine as it starts up certain cycles, whether it be cooling, heating, de-humidification etc., they all have an order of operation from start to finish.

Over time, this will become second nature as you gain experience with the machine. When you fully understand the cycle, you can move through troubleshooting steps fairly quick. As you’re learning, it’s important not to skip steps as you can miss out on important information that could help.

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