The most reliable source for the SB655 C manual is the myEliwell app , available on the Apple App Store.

This erases all custom settings.

Контроллер SB 655/C/S Eliwell - Сибирский Холод

The best manual for you is in your native language. The SB655 C supports multiple languages. Ensure you download the English, Spanish, or Italian version based on your team's fluency.

The Ultimate Guide to the Eliwell SB655/C: Finding the Best Manual and Setup Tips

Your SB655 C is now in its factory state. The default password is restored to "22," and the set point is likely 32°F (0°C).

Accessible without password verification; provides basic setpoint and defrost monitoring.

The "best" manual explains that you need to access the Configuration level (Pr2), not just the User level (Pr1).

: Equilibrates operating hours across compressors of varying capacities.

Electronic controllers for centralised air-conditioning units