The SB655C has two levels of menus: and Programming .
The is a robust, reliable workhorse, but it is only as good as its programming. Whether you are a maintenance technician for a hotel kitchen or a supermarket manager, understanding this controller saves hundreds of dollars in service calls and prevents food waste.
| Parameter | Description | Typical Refrigerator (0-5°C) | Typical Freezer (-18°C) | | :--- | :--- | :--- | :--- | | | Compressor differential (hysteresis). The compressor stops at SP and restarts at SP + c1. | 2.0°C | 3.0°C | | c2 | Compressor protection delay (anti-short cycle). Minimum time between stops and restarts. | 3 minutes | 4 minutes | | c3 | Probe display offset. Calibrates if the reading is wrong. | 0.0 | 0.0 | | c4 | Defrost interval (in hours). | 6 hours | 8 hours | | c5 | Defrost duration (in minutes). | 20 minutes | 30 minutes | | c6 | Defrost type: 0 = Electrical (Heater), 1 = Hot gas/Off-cycle. | 1 (Off-cycle) | 0 (Electrical) | | c7 | Drip time after defrost (minutes). | 2 min | 5 min | | AL1 | Low temperature alarm threshold (relative to setpoint). | -2.0°C | -22.0°C | | AL2 | High temperature alarm threshold (relative to setpoint). | +4.0°C | +10.0°C | | ALd | Alarm delay (minutes before sounding). | 60 min | 60 min | | F3 | Temperature unit: 0 = °C, 1 = °F. | 0 | 0 | eliwell sb655 c manual
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: Deep configuration of digital and analogue outputs. Programming & Monitoring The SB655C has two levels of menus: and Programming
The Eliwell SB655 C manual provides detailed installation instructions to ensure proper setup and operation. Key installation steps include:
The Energy Flex manual highlights a 4-digit display with 18 icons. Access is divided into three security-coded levels: : Basic monitoring and setpoint adjustments. Service : Maintenance settings and alarm history viewing. | Parameter | Description | Typical Refrigerator (0-5°C)
Fix: Inspect the sensor wiring. If Pb2 is not required for your system configuration, disable the evaporator probe parameter in the input settings menu to eliminate the alarm.
Always disconnect the main power supply before working on electrical connections. Refer to the specific wiring diagram printed on the controller casing. Typical Terminal Configuration
| Parameter | Description | | :--- | :--- | | | Temperature Setpoint : The target temperature to be maintained. | | diF | Differential : The difference in temperature between the compressor stopping (at SEt) and restarting (at SEt + diF). For example, if SEt = 5°C and diF = 2°C, the compressor will stop at 5°C and restart at 7°C. Note: the value 0 cannot be assumed. | | HSE | Higher Set : The maximum permissible setpoint value (to prevent user errors). | | LSE | Lower Set : The minimum permissible setpoint value. | | HC | Operating Mode : Configures the main output to operate in C (Cool/Cold) or H (Heat/Hot) mode. | | OSP | Offset Set Point : A temperature value added to the setpoint when an "Economy" function is enabled. | | OdO | Door Open Activation Delay : The delay time before the digital input (door switch) triggers an action (e.g., switching off loads). | | Ont / OFt | Compressor ON/OFF Time : Used for safety in the event of a faulty sensor probe. Ont is the ON time in a duty cycle; OFt is the OFF time. | | H00 | Probe Type Configuration : Sets the type of sensor connected. 0 = PTC; 1 = NTC. |