© 2006 Dr. Ray Franco, PhD., PE r.a.franco@ieee.org
Copeland Date Codes
Copeland is owned by Emerson Climate Technologies.
The first two (2) digits in the serial number are the year of manufacture, and a third alphabetical character shows the month of manufacture, according to the following code:
| Copeland Month Codes | |
| Code | Month |
| A | January |
| B | February |
| C | March |
| D | April |
| E | May |
| F | June |
| G | July |
| H | August |
| I | September |
| J | October |
| K | November |
| L | December |
For Example, Copeland Model No.: ZR40KC-PFV-230 with
SN: 01D1020HL was Manufactured in April 2001 (F06-008).
Bristol Date Codes
Bristol is a division of York International
Reciprocating Compressors
The breakdown of the serial number for a Bristol Reciprocating Compressor is:
Digits 1-3: Julian Date of Manufacture
Digits 3-4: Year Manufactured
Digit 6: Mfg Location - 0 or 2 = Bristol
Digits 7-11: Sequence # During Week
For Bristol Stroll Compressors, See Scroll Technologies Compressors.
For Example, the Bristol Compressor with SN: 19597011199-S
was Manufactured the 195 Day of the Year in 1997 (AC05-02).
Tecumseh Date Codes
The breakdown of Tecumseh Serial Number is:
First letter is the Month according to the table:
The next two numbers: Day of the Month
The next two numbers: year
| Tecumseh Month Codes | |
| Code | Month |
| A | January |
| B | February |
| C | March |
| D | April |
| E | May |
| F | June |
| G | July |
| H | August |
| I | September |
| J | October |
| K | November |
| L | December |
For Example, the Tecumseh Compressor with Date Code,
H2995, was Manufactured on August 29, 1995 (F06-019).
Scroll Technologies Compressors
Stroll Technologies was a joint venture between Carlyle Compressors (a division of Carrier) and Bristol Compressors, and the compressors were sold exclusively through these partners as the "Millenium" for Carlye and the "Infinity for Bristol. In September 2006, Danfoss, a Danish company purchased Stroll Technologies from Carlyle and Bristol.
The breakdown of the serial number is
Digit 1: S for Scroll Technologies
Digits 2-3: Week Manufactured
Digits 4-5: Year Manufactured
Digits 6: State (K for Arkansas)
Digits 7-11: Sequence # During Week
For Example, the Millenium Compressor with SN S3497K05252,
was Manufactured in week 34 of 1997 (F07-019).
