This is a indepth look at modern electrical troubleshooting. In today's hvac units we see I/O as the standard control system. I is input and O is output. This is how unit controls and BMS will operate ac system and ac units going forward so we as hvac technician have to understand how to troubleshoot it.
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Zelle @ Hvactimetx@gmail.com
hvactimetx.com
You can contact me at Hvactimetx@gmail.com
Support the channel through,
https://venmo.com/code?user_id=3160855378132992354
Zelle @ Hvactimetx@gmail.com
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