IC 902
IC Series • Refrigeration Controller
Quick Info
Output Functions
Economy single probe controller for simple refrigeration applications
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 3 |
| Buttons | 3 |
| LED Indicators | Output |
Power Supply
| Voltage | 230V AC |
| Voltage Range | 230V AC ±10% |
| Frequency | 50/60Hz |
| Power Consumption | 2VA |
Sensor Inputs
| Probe Inputs | 1 |
| Probe Type | NTC 10K |
| Temp Range | -40 to 99°C |
| Accuracy | ±0.5°C |
Relay Outputs
| Relay Outputs | 1 |
| Relay Rating | 10A/250VAC |
Physical
| Panel Size | 28.5x71 mm |
| Depth | 56 mm |
| IP Rating | IP65 (front) |
| Weight | 65 g |
Operating Conditions
| Operating Temp | -5 to 50°C |
| Storage Temp | -20 to 60°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| 1 | Power L (Live) | Input |
brown
|
| 2 | Power N (Neutral) | Input |
blue
|
| 3 | Probe (+) | Input |
red
|
| 4 | Probe (-) | Input |
white
|
| 5 | Relay NO | Output |
black
|
| 6 | Relay COM | Output |
black
|
Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.
Parameter Settings
| Code | Parameter | Range | Default | Description |
|---|---|---|---|---|
| SET | Setpoint | -40 to 99 | 5 °C | Temperature setpoint |
| diF | Differential | 0.5 to 10 | 2 °C | Switching differential |
| LSE | Low Limit | -40 to SET | -40 °C | Minimum setpoint |
| HSE | High Limit | SET to 99 | 99 °C | Maximum setpoint |
| OFS | Offset | -10 to 10 | 0 °C | Probe calibration |
| dEL | Comp Delay | 0 to 10 | 0 min | Compressor restart delay |
| Ctr | Control Type | 0=Heat, 1=Cool | 1 | Heating or cooling mode |
Error Codes
Solution: Check probe wiring and sensor
Solution: Check probe placement
Solution: Check probe placement
Frequently Asked Questions
Press SET once, use UP/DOWN to adjust, press SET to confirm
Press SET for 5 seconds, navigate with UP/DOWN
No, IC 902 is a basic on/off controller without defrost capability
Alternative Models (Cross Reference)
Manufacturer Information
Brand: Eliwell
Country: Italy
Parent: Schneider Electric