Eliwell Sb655 C Manual Repack Here
The Eliwell SB655/C is a specialized base controller designed for centralized air-conditioning units, including chillers and heat pumps. It typically manages up to two circuits and four power output steps, such as scroll or semi-hermetic compressors. Key Technical Specifications
- Manual says: Pressure below ALu for longer than Pdn delay.
- Repack says: You are out of refrigerant, the valve is closed, or your cut-out (r1) is set higher than your suction pressure during pump-down. Quick fix: Temporarily bridge terminals 3 & 4 to force the contactor on to test if the controller is the problem (it usually isn't).
The SB655 C uses a specific button logic to prevent accidental changes: eliwell sb655 c manual repack
How to Obtain the Eliwell SB655 C Manual Repack The Eliwell SB655/C is a specialized base controller
- How it works: The unit is designed to interface with pressure transducers (typically 4-20mA or 0-10V). It displays the pressure directly on the screen (in Bar or PSI) and converts this data to calculate the equivalent saturation temperature (°C or °F).
- Why it is useful: This feature enables the controller to execute safety alarms (such as high or low-pressure limits) and advanced logic (such as condenser fan speed control based on head pressure), reducing wiring complexity and hardware costs.
- Look for a small "OFF" symbol or a snowflake with a slash. Press the ON/Standby button (circle with a line) for 1 second. The manual buries this on page 3. It’s the most common "broken" unit we get back.
| Code | Group | Function | Range | Repack Tip |
| :--- | :--- | :--- | :--- | :--- |
| SP | Setpoint | Target temperature | Lo to Hi | Default: 3°C for coolers |
| Hy | Differential | Compressor hysteresis | 0.1 to 25.0°C | Energy saving: 2.0°C |
| LS | Limits | Minimum setpoint | -50 to 150°C | Freezer: -25°C |
| US | Limits | Maximum setpoint | -50 to 150°C | Cooler: +15°C |
| dtE | Defrost | Defrost end type | tE (time) / tP (probe) | Use tP for energy savings |
| dIt | Defrost | Interval time (hours) | 0 to 99 | 6h for freezers, 8h for coolers |
| FSt | Fan | Fan stop temperature | -50 to 150°C | Evap temp lower than 4°C stops fan | Manual says: Pressure below ALu for longer than Pdn delay
Quick Menu: Access folders like AL (Alarms), Pb1/Pb2 (Probe values), and SEt (Set point) by briefly pressing the SET button.