Sb655 C Manual Repack Portable: Eliwell
Eliwell Energy Flex SB655/C is a universal electronic controller designed for centralized air-conditioning units, supporting up to 2 circuits and 4 compressors Electric Automation Network Core Specifications Power Supply : 12-24V~ or 24V= (+10% / -10%) Frigo Soğutma Dimensions : Standard Eliwell 32x74mm format for panel mounting Frigo Soğutma Inputs/Outputs Digital Inputs : 6 independent and configurable inputs Digital Outputs : Up to 5 relay outputs plus 1 Open Collector output Frigo Soğutma Analogue Outputs
: Up to 3 configurable 0…10V, 0…20mA, or 4…20mA outputs Configuration and Navigation
Access to parameters is managed through a folder-based menu system with four primary folders: (Analogue Inputs), (Digital Inputs), (Analogue Outputs), and (Digital Outputs) Frigo Soğutma Accessing the Full Menu : Press and hold the button for more than 5 seconds until "PA2" appears. Press eliwell sb655 c manual repack
again and use the arrow keys to enter the security code (default is Micro Matic Changing Parameters arrows to scroll through folders to enter a folder and select a resource Modify the value with arrow keys and press Micro Matic to return to the previous level or exit Advanced Management
Electronic controllers for centralised air-conditioning units Eliwell Energy Flex SB655/C is a universal electronic
Included with Manual Repack
- Repack insert with condensed quick-start and safety highlights
- Wiring diagram (model-specific)
- Calibration and probe tables
- Support contact for technical assistance
Part 2: The "No-Nonsense" Wiring Guide (The Manual Repack)
The manual shows 11 terminals. Here is the cheat sheet for the most common setup (230V AC supply with a pressure transducer).
Terminal Block (Left to Right):
- 1 & 2 (Power): 110-230V AC. Warning: Do not confuse this with low voltage. If you put 230V into the probe terminals, you will fry the unit instantly.
- 3 & 4 (Relay Output): These are the "switch" contacts. Connect these in series with your compressor contactor coil.
- 5 & 6 (Digital Input): Use this for a door switch or high-pressure safety. (Most people leave this bridged or ignored).
- 7, 8, 9 (Probe 1 - Pressure):
- 7: V+ (5 or 12V DC supply to sensor)
- 8: Signal input (4-20mA or 0-5V)
- 9: GND (Ground)
- 10 & 11 (Probe 2 - Temperature - Optional): For NTC sensors to monitor return air or defrost termination.
The "Gotcha": If you are using a 4-20mA pressure transmitter, you must bridge terminal 7 (V+) to terminal 8 (Signal) via a 500-ohm resistor? No. Actually, check the manual specifics, but modern transducers just use 2 wires. Pro tip: Most SB655C failures happen because techs wire the pressure transducer backward. Red = 7, Black = 9, White = 8.
Section 3: Advanced Parameter Map (Pages 16-30) – The gold mine
This is the heart of the repack. The original manual lists 60+ parameters; the repack organizes them into logical groups: Part 2: The "No-Nonsense" Wiring Guide (The Manual
| 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 |
Short-term storage recommendations (up to 12 months)
- Store in a cool, dry environment: 5–25°C (41–77°F) and <60% relative humidity if possible.
- Avoid direct sunlight and rapid temperature cycling.
- Periodically inspect (every 3–6 months) for moisture or corrosion; replace desiccant packs annually or when saturated.
Common Problems Solved by the Manual Repack
Cons ❌
- Not Official: No guarantee of accuracy. A single wrong parameter table can damage a compressor or cause defrost failures.
- Missing Safety Info: Repacks often omit important warnings about electrical isolation, maximum relay loads, or IP ratings.
- Outdated Versions: Some repacks are based on old firmware (e.g., pre-2018). The SB655 C had minor revisions, so a repack from 2015 may have incorrect P0-P4 settings.
- No Index/Bookmarks: Unlike the official PDF, repacks often lack clickable navigation.