How to Change a AC Capacitor?

My AC technician suggested changing AC capacitor of my AC. My AC had been malfunctioning during the last summer and after getting it checked I found out that it was because of a faulty AC capacitor. The main purpose of a capacitor is to start the fan and compressor of your AC unit. A defective one does not do this well. So, if a capacitor is faulty, it certainly needs instant replacement.

How to Change Capacitor on AC Unit?

• Switch off the power

I think this goes without saying. The first thing to do before you replace the capacitor on an AC unit is to ensure that the system is turned off.

• Open the AC’s Access Panel

The panel is usually found on the upper corner of the AC casing. Remove the mounting screw to open the access panel. This is another important step in understanding how to change a AC capacitor.

• Purchase a New Capacitor

One thing my technician suggested is that before purchasing a new capacitor, you should locate the current capacitor inside the panel and take note of all the information in the sticker, including its tolerance, capacitance, and load voltage. This is to ensure that you purchase a capacitor with those exact specifications.

• Detach the Capacitor and Name the Wires

Grab the blade of an insulated screwdriver to remove the capacitor. This will ensure that there is no electricity left inside the capacitor. The next thing is to examine the old capacitor. The old capacitor should have tags that show where each wire proceeds. “Herm” for compressor, “Fan” for fan, and “C” for common.

• Insert a New Capacitor

This is the most crucial step of how to change a capacitor on AC unit. Just ensure that the new capacitor is positioned in the same place as the old one. To secure it perfectly, you can use a mounting strap.

• Switch on the Power and Test

And lastly, to switch on the AC unit, you will have to reinsert the block fuse or power on the circuit breaker. Just ensure that the thermostat is turned on too. These are the six steps on changing AC capacitor. I hope it helps you. Get Your AC Repaired and Increase its Efficiency with NoBroker AC Services. Read More: How To Change Ceiling Fan Capacitor?