Eliwell Sb655 C Manual Link
| User Type | Experience with the Manual | |-----------|----------------------------| | Professional technician | Good – finds pinouts, parameter ranges, and alarm codes quickly. | | DIY/hobbyist | Difficult – no step-by-step examples; assumes prior controller knowledge. | | Non-English native | Moderate – English only (no multilingual versions seen). |
In the world of refrigeration and HVAC control, few names carry as much weight as Eliwell, a brand now part of the Schneider Electric family. Among their most iconic and widely used products is the Eliwell SB655 C. This parameterizable electronic controller is the brain behind countless commercial refrigerators, freezer rooms, beverage coolers, and industrial refrigeration units.
If you have landed on this page searching for the "Eliwell SB655 C manual", you are likely facing one of three scenarios: you are installing a new unit, you need to reprogram an existing controller after a power surge, or your refrigeration unit is displaying an error code and beeping incessantly.
This comprehensive article serves as an extended manual. We will cover everything from hardware overviews and wiring, to programming parameters, common error codes, and where to find the official PDF manual. eliwell sb655 c manual
| Model | Description | |-------|-------------| | SB655C | 230Vac, PTC/NTC, 2 relays | | SB655C 12V | 12Vac/dc version | | NP010 | NTC probe (103AT-2, 3m cable) | | PP010 | PTC probe (3m cable) | | FPL200 | Panel gasket for IP65 |
The Eliwell SB655 C is a microprocessor-based digital temperature controller with an onboard relay output. It is part of Eliwell’s “Easy” series, known for its simplicity and robustness. The device is typically panel-mounted and features a bright 3-digit LED display, four buttons for navigation, and a user-friendly interface.
Primary Applications:
Key Features:
The “C” in the model number usually indicates a specific power supply or output configuration (often relay on output 1). Always verify the exact model code on the side sticker.
Note: Always disconnect power before wiring. | User Type | Experience with the Manual
| Terminal | Function | Typical Connection | | :--- | :--- | :--- | | 1 | Probe 1 (PTC/NTC) – Common | Brown wire of NTC probe | | 2 | Probe 1 (PTC/NTC) – Input | Blue wire of NTC probe | | 3 | Probe 2 (Evaporator) – Input | Second probe wire | | 4 | Probe 2 Common (linked to terminal 1) | Link wire to terminal 1 | | 5 | Digital Input (Door switch) | Door switch (NO/NC) | | 6 | Alarm Relay (NO) | External buzzer/light | | 7 | Alarm Relay (Common) | Neutral for alarm | | 8 | Compressor Relay (NO) | Compressor contactor coil | | 9 | Compressor Relay (Common) | Main power neutral (to compressor) | | 10 | Defrost Relay (NO) | Heater or solenoid valve | | 11 | Defrost Relay (Common) | Neutral for defrost | | 12 | Power Supply (Neutral) | Mains Neutral (N) | | 13 | Power Supply (Live) | Mains Live (L) |
Critical Warning: The SB655 C uses a "common" system for probes. Terminal 1 and terminal 4 must be connected via a jumper wire if using two probes. This is a common installation mistake.