Technical manual with operating instructions, installation, programming and maintenance for the Bitzer BAO-102-1 AUS CSH controller.
This manual provides detailed information on the Bitzer CSH controller for screw compressors, covering hardware features, wiring diagrams, and software configuration. It explains the two modes of operation, safety warnings, and the required power supply.
The document also includes step‑by‑step procedures for installation, restoring default values, and managing the compressor, as well as a full list of inputs, outputs, and alarm definitions.
| Recommended power supply | Class 2, 100 VA safety transformer |
|---|---|
| Dimensions (W × H × D) | 110 × 315 × 75 mm |
| Maximum terminal current | 8 A per common terminal |
| Digital inputs (optically isolated) | 12 inputs, 24 Vac/24 Vdc |
| Analogue input U1 (capacity control) | 4‑20 mA / 0‑5 V / 0‑10 V |
| Operating temperature (storage) | -40 °C to 70 °C |
A class 2, 100 VA safety transformer is recommended to supply the pCO5+ controller.
The controller provides 12 optically‑isolated digital inputs, each rated for 24 Vac or 24 Vdc.