AC Blown Fuse Low Voltage Short
I am on a no ac service call where the thermostat is blank. I have no 24 volts at the stat. I first notice that the air conditioning systems 3 amp fuse blown. Therefore, I troubleshoot the HVAC system's low voltage wires. The 24 VAC compressor contactor test to ground. Next, I replace the shorted contactor and test the ac system. Unfortunately, I wired the system out of phase and the blower spun backward. After fixing the phasing the system started cooling.
Видео AC Blown Fuse Low Voltage Short канала The HVAC Hacker
Видео AC Blown Fuse Low Voltage Short канала The HVAC Hacker
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