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Capacitor replacement for split system compressor

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Kreonida

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Discussion starter · #1 · (Edited)
I have two old identical split systems. On one, the capacitor apparently died on the compressor part, it was blowing warm air.
The installer guy put the capacitor from the other system into the broken system, and that fixed it.

Now I need to get a replacement capacitor for him to install. I'm clear about voltages, but am lost about picking the right capacity.

The original 15 years old one was 50 + 6 MFD +/-5%.
The modern replacements available are 50 + 5 OR 50 + 7.5.
My guy thought 50/5 was ok. Can someone here please confirm that?
 
#3 ·
Kreonida said:
I have two old identical split systems. On one, the capacitor apparently died on the compressor part, it was blowing warm air.
The installer guy put the capacitor from the other system into the broken system, and that fixed it.

Now I need to get a replacement capacitor for him to install. I'm clear about voltages, but am lost about picking the right capacity.

The original 15 years old one was 50 + 6 MFD +/-5%.
The modern replacements available are 50 + 5 OR 50 + 7.5.
My guy thought 50/5 was ok. Can someone here please confirm that?
Click to expand...
Old Identical and the installer swapped them out?
 
Discussion starter · #5 ·
Sorry I was unclear, he swapped out the capacitor between my two identical systems to confirm it was the capacitor that was broken.
Both systems are same old age, containing the same old never replaced before 50/6 capacitor. I now need to find one replacement capacitor.
Thank you.
 
#6 ·
Kreonida said:
Sorry I was unclear, he swapped out the capacitor between my two identical systems to confirm it was the capacitor that was broken.
Both systems are same old age, containing the same old never replaced before 50/6 capacitor. I now need to find one replacement capacitor.
Thank you.
Click to expand...
So why didn't the installing contractor have one or make one temporally until HE could get the replacement replacement ?
 
Discussion starter · #7 ·
It's a 15 year old system, he didn't have spare capacitors for it. He offered to try to buy one, but he is busy, and it won't happen soon. So I decided to order on Amazon and just ask him to put it in.
 
#8 ·
Kreonida said:
It's a 15 year old system, he didn't have spare capacitors for it. He offered to try to buy one, but he is busy, and it won't happen soon. So I decided to order on Amazon and just ask him to put it in.
Click to expand...
Just have him get a high quality cap of the proper size and install it!

Amazon is not a Quality supply house
 
#9 ·
Should be easily sourced at any supply house. No need for you to track one down.
Have him come back and toss one in.
 
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Discussion starter · #10 ·
Thanks, I will let him know. However he is not an electrician or electronics expert. I still would love to know what to replace 50/6 with, since closest modern capacitors are 50/5 or 50/7.5.
 
Discussion starter · #13 ·
He is an installer of new systems, he is not good at electronics.
My cap was 50/6. I searched a few hvac supply stores online, 50/5 and 50/7.5 are available, no 50/6. My guy told me 50/5 will do, and he can buy it, but I want someone to confirm 50/5 is OK and not 50/7.5.
 
#14 ·
Kreonida said:
He is an installer of new systems, he is not good at electronics.
My cap was 50/6. I searched a few hvac supply stores online, 50/5 and 50/7.5 are available, no 50/6. My guy told me 50/5 will do, and he can buy it, but I want someone to confirm 50/5 is OK and not 50/7.5.
Click to expand...
I'm going to say this before this thread gets shut down due to too much DYI info............

If the original capacitor is truly a 50+6 MFD, then both the 5.0 and 7.5 capacitors are outside the +/- 10% rating for the motor. Some motor manufactures I have talked to say the capacitor should not exceed +/- 6% of the capacitor rating.

I'm curious, what is the model number of this unit?
 
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vin lashon
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