⚠️ Note: The exact digit mapping may differ for older compressors (pre-2000) or certain production lines. Always cross-reference with Bitzer official literature or software (Bitzer SOFTWARE Service).
Bitzer can often recover data for units back to the 1980s from microfilm archives—but this takes 3–5 business days.
This document is based on standard Bitzer encoding practices. Specific OEM (Original Equipment Manufacturer) custom units may utilize custom coding schemes. For absolute warranty confirmation, always contact Bitzer Headquarters or the local authorized wholesaler.
This document serves as a technical guide for the identification, decoding, and verification of Bitzer compressor serial numbers. Accurate interpretation of these alphanumeric codes is critical for ordering replacement parts, determining warranty status, verifying operating parameters, and ensuring correct application in refrigeration and air conditioning systems.
| Segment | Value | Meaning | | :--- | :--- | :--- | | | 31 | Manufacturing plant (e.g., 31 = Bitzer Germany – Sindelfingen; 41 = Bitzer China) | | Production Order | 123456 | Internal works order number (specific to a batch of identical specs) | | Year of Manufacture | 01 | Year (2001, 2011, 2021 - you need context from the compressor style) | | Week of Manufacture | 10 | Calendar week (Week 10 = early March) | | Sequential Unit Number | 1234 | The specific unit within that week’s production run |