Eliwell Sb655 C Manual [patched] -

The Eliwell SB655/C is a universal electronic controller designed for centralized air-conditioning units, primarily used in managing chillers and heat pumps with up to two refrigerant circuits. Key Technical Specifications

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. eliwell sb655 c manual

5. Parameter Configuration

5.1 Accessing Parameters

Press and hold SET + DOWN for 3 seconds (or SET for 8s, depending on firmware).
Display shows PA (password).
Use UP/DOWN to enter password (default 0 or -19). Press SET.
Navigate parameters with UP/DOWN. Press SET to edit.
Press SET to save change, then UP/DOWN to move to next.
Exit: Press and hold SET for 3s or wait 30s.

3.2 Entering the Parameter Programming Menu

To access the full configuration (defrost intervals, differential, probe calibration): The Eliwell SB655/C is a universal electronic controller

General Troubleshooting Steps:

3.2 Terminal Connections

| Terminal | Label | Function | |----------|-------|----------| | 1-2 | Power | 230Vac supply (L, N) | | 3-4 | Probe | PTC/NTC temperature probe | | 5-6 | Digital input | Door switch or generic alarm | | 7-8 | Defrost | Defrost relay (NO) | | 9-10 | Compressor | Compressor relay (NO) | Press and hold SET + DOWN for 3

keys together (or similar combinations depending on specific firmware) to enter the programming folder. Setting the Setpoint : Press and hold for 5 seconds, use to adjust, and again to confirm. Manual Defrost : Can often be triggered by holding the (or dedicated defrost) key for at least 5 seconds. Password Protection : Standard service access often uses the password to view protected parameters. Eliwell by Schneider Electric Resources & Manuals