Eliwell Sb655 C Manual Repack Jun 2026

Used to decrease values or toggle the auxiliary output manually.

| Code | Group | Function | Range | Repack Tip | | :--- | :--- | :--- | :--- | :--- | | | 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 |

If you have ever unboxed an Eliwell SB655C pressure controller, you know the drill. You pull out the tiny booklet, squint at the microscopic wiring diagram, and wade through dense technical Italian-to-English translations. The manual is accurate, but is it practical? Not always.

The SB655/C model is part of Eliwell's range, offering high connectivity for HVAC systems. Power Supply : 12-24V~ / 24Vdc. Input/Output Configuration : 6 Digital Inputs . 6 Relay Outputs . eliwell sb655 c manual repack

: Used for high-pressure switches or emergency stops. Relay Outputs : Out 1–4 : Compressor stages. Out 5–6 : Condenser fans or alarm signals. ⌨️ User Interface & Navigation

Analogue inputs (AIE) must be configured correctly, with options for probe calibration. Key Components

The most critical feature for managing a "repack" (restoring or updating the controller's configuration) is the use of the or Copy Card . This allows technicians to bypass manual manual entry of dozens of parameters. Used to decrease values or toggle the auxiliary

+-------------------------------------------------------------+ | 1 2 | 3 4 5 | 6 7 8 | 9 10 11 | 12 13 | 14 15 16 | 17 18 | +-------------------------------------------------------------+ | | | | | | | | | | | | | | | | | | [POWER] [RELAY 1] [RELAY 2] [RELAY 3] [A-OUT] [RS-485] [D-IN] (230Vac) (Comp) (Def) (Fan) (0-10V) (Modbus) (Door) +-------------------------------------------------------------+ | 19 20 | 21 22 | 23 24 | 25 26 | 27 28 | 29 30 | | +-------------------------------------------------------------+ | | | | | | | | | | | | [PB1] [PB2] [PB3] [PB4] [PB5] [V-Trans] (Room) (Def) (Cond) (Aux) (Aux) (4-20mA) Main Power Supply input.

: 5 dedicated sensor inputs configured to read NTC, 4-20mA pressure transmitters, or voltage-based signals. Terminal Layout and Electrical Wiring

Electronic controllers for centralised air-conditioning units The manual is accurate, but is it practical

Always keep a handwritten log of your custom parameter settings inside the electrical panel for the next technician!

+-------------------------------------------------------------+ | ELIWELL ENERGY SB655/C | +-------------------------------------------------------------+ [1][2] [3][4] [5][6][7] [8][9][10] [11][12][13][14][15] | | | | | | | | | | | | | | | [ POWER ] [TTL] [ RS-485 ] [ ANALOG OUT ] [ ANALOG INPUTS ] 12-24V Copy + - GND 0-10V / PWM Pb1 Pb2 Pb3 Pb4 Common Card [R1] [R2] [R3] [R4] [R5] [16][17] [18][19] [20][21] [22][23] [24][25] | | | | | | | | | | [ COMP 1 ] [ COMP 2 ] [ EVAP ] [ COND ] [ ALARM ] --- VOLTAGE-FREE RELAY OUTPUTS --- Vital Installation Protocols