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How to find correct size spare capacitor for HVAC?
Posted on 8/17/21 at 3:38 pm
Posted on 8/17/21 at 3:38 pm
Unit is a Smart Comfort by Carrier. Model R4A542GKB100. Manufactured June 2020.
I've seen others here say have a spare capacitor on-hand by AMRAD. I can't seem to locate one by using the model number. Thanks in advance for help with my dilemma.
I've seen others here say have a spare capacitor on-hand by AMRAD. I can't seem to locate one by using the model number. Thanks in advance for help with my dilemma.
4
Posted on 8/17/21 at 3:41 pm to boudinman
I removed the access panel on my AC compressor and matched the numbers on the capacitor currently installed. I'm not confident in my ability to read the schematic for my AC.
This post was edited on 8/17/21 at 3:44 pm
Posted on 8/17/21 at 4:01 pm to boudinman
Match the number on the current one... Should look like 35/5
or 40/5 type number.
or 40/5 type number.
Posted on 8/17/21 at 4:18 pm to Alleman
quote:
removed the access panel on my AC compressor and matched the numbers on the capacitor currently installed.
Just do this - hopefully the capacitor is installed in a position that you can read the rating tag on the capacitor without having to loosen the capacitor holding strap and rotating it to read the tag. But just to be safe pull condensor electrical disconnect first before opening up the access panel.
This post was edited on 8/17/21 at 7:35 pm
Posted on 8/17/21 at 5:19 pm to CrawDude
quote:
But just to be safe pull condensor electrical disconnect first before opening up the access panel.
This is true but also be aware of the connectors on the top of the capacitor--don't touch them without reading/learning how to properly discharge the capacitor as the nature of a capacitor is to store power (electricity) even when the circuit breaker is off or the electrical disconnect has been pulled.
Discharging the capacitor is not difficult, just don't skip this step.
Posted on 8/17/21 at 7:20 pm to Alleman
quote:
I removed the access panel on my AC compressor and matched the numbers on the capacitor currently installed.
This is the way.
Posted on 8/19/21 at 11:08 am to boudinman
PRO TIP:
Make sure you watch a video or two BEFORE you change out said capacitor. Capacitors keep a lot of voltage stored even when the unit is off. You can shock/kill yourself if its not properly discharged.
Make sure you watch a video or two BEFORE you change out said capacitor. Capacitors keep a lot of voltage stored even when the unit is off. You can shock/kill yourself if its not properly discharged.
Posted on 8/19/21 at 1:38 pm to 4WHLN
Lol that 110 will put you in the ground
Posted on 8/19/21 at 8:32 pm to Hamma1122
quote:
Lol that 110 will put you in the ground
Both 120V and 240V if it's a dual-rated capacitor.
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