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Leave the exact code and your application (freezer vs. cooler) in a comment below, and refer to your physical Eliwell SB655 C manual for verification.
The controller uses two programming menus: the User Menu (frequently adjusted settings) and the Installer Menu (deep system configuration protected by a password). Accessing the Installer Menu Press and hold the button for over 5 seconds.
| Code | Description | Range | Default | |------|-------------|-------|---------| | | Minimum alarm threshold | -50 – AH | -40 | °C | | AH | Maximum alarm threshold | AL – 110 | 50 | °C | | Ad | Alarm delay | 0 – 255 | 30 | minutes | | Ab | Alarm relay function (if avail) | 0=No, 1=Yes | 0 |
| Key | Function (Short press) | Function (Long press, 3s) | |-----|------------------------|----------------------------| | | View/Modify setpoint | Enter parameter menu | | DEF | Manual defrost | --- | | UP | Increase value / browse | --- | | DOWN | Decrease value / browse | --- | | ON/OFF | Standby (display off) | --- | eliwell sb655 c manual
Heavy-duty relay for compressor contactors.
The is a workhorse of the refrigeration industry. Whether you are building a new cold room or repairing a frozen display case, understanding its manual is key to a long, trouble-free service life.
: Features 5 probe inputs (NTC/4-20mA/0-10V), 6 digital inputs, and 6 relay outputs. Leave the exact code and your application (freezer vs
Includes configurations for digital inputs (DI), analog inputs (AI), and digital outputs (DO).
A: That is not an error. The display is showing that the compressor is in a minimum off-time delay (parameter dLy). It is protecting the compressor from short cycling. The countdown value will appear (e.g., “3” for 3 minutes remaining).
: Manages Scroll, Semi-Hermetic, or Screw compressors with up to 4 power steps, featuring balanced operating hours. System Versatility Accessing the Installer Menu Press and hold the
For full specifications, wiring diagrams for 24V AC models, and defrost termination temperatures, always refer to the official PDF manual. If your controller is beyond repair, consider upgrading to the Eliwell iDR400 or ID 985 Digital, which are backward-compatible with SB655 C settings.
When an error occurs, the display flashes an alarm code and activates any configured alarm relays. Diagnostic Matrix Error Code Corrective Action Room Probe (Pb1) Error Faulty sensor, open circuit, or short circuit