Compressor terminal identification U.S. Army Refrigeration School Fort Belivor, Virginia.
Compressors have three terminals that may or may not form a triangle, sometimes they are side by side, sometimes one on top of another However you read them like a book. From left to right.
Common,
Start and
Run. This applies to most American Compressors.
The other method is the
A,B,C method.
1. Any two pins and call them
A and
B the other pin label
C
2. Take a reading from
A to
B and write it down. = 5 Ohms
3. Take a reading from
A to
C and write it down. = 2 Ohms
4. Take a reading from
B to
C and write it down. = 7 Ohms
5. Add all
A readings. 5+2=7
6. Add all
B readings. 5+7=12
7. Add all
C readings. 7+2=9
8. The largest reading is
B, so that is
Start
9. The next largest is
C, therefore is is the
Run
10. So that leaves
A, which is the lowest, it is
Common
Thank you everyone for your support and I hope I am not annoying.
