Bitzer Compressor Serial Number Check -
On newer Ecoline and CSH/CSW screw compressors, a durable adhesive barcode sticker is placed near the oil sight glass. The serial number is printed both human-readable and in Code 128 format below the barcode.
The serial number is not stamped on the housing but appears on the —a durable metal or synthetic label attached to the compressor body. Typical locations: Bitzer Compressor Serial Number Check
To resolve ambiguity, look at the refrigerant listed on the nameplate. If it says R290 (propane), it’s likely a 2020s unit. If it says R12 or R502, it’s a 1990s unit. On newer Ecoline and CSH/CSW screw compressors, a
A common error is confusing the model code (e.g., 4FES-5Y ) with the serial number. The defines the mechanical design—displacement, number of cylinders, refrigerant, oil type. The serial number is unique to each physical unit. Both appear on the nameplate. Typical locations: To resolve ambiguity, look at the
The Bitzer compressor serial number check is a straightforward yet powerful diagnostic and administrative tool. By understanding the coded structure, using Bitzer’s official BEST software or web tools, and distinguishing between model code and serial number, service professionals can avoid costly errors. Regular use of serial number verification ensures correct spare parts, valid warranty claims, and safe system retrofits. For any ambiguity, Bitzer’s technical support can resolve year-cycle overlaps or nameplate damage. Always record the serial number before installation—it is the compressor’s only immutable identity.
| Position | Character | Meaning | Example Value | | :--- | :--- | :--- | :--- | | 1 | Letter | Factory Code | = Sindelfingen (Germany), M = Maddaloni (Italy, now closed), C = China (Tianjin), U = USA (Flowery Branch, GA), I = India (Halol) | | 2 | Digit | Year of Manufacture (single digit, cyclical) | 3 = 2003, 2013, or 2023 (Context needed) | | 3-4 | Digits | Month of Manufacture | 12 = December | | 5-6 | Digits | Day of the Month | 23 = 23rd day | | 7-9 | Digits | Sequential Production Number | 001 = First unit built that day |