Eliwell
EWPC 901
EWPC Series • Refrigeration Controller
Quick Info
Type
Refrigeration
Application
Bottle Cooler
Probe Inputs
1
Relay Outputs
1
Panel Size
32x74 mm
Output Functions
R1
Compressor
DISCONTINUED - Legacy single relay controller, replaced by IC 902
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 3 |
| Buttons | 3 |
| LED Indicators | Compressor |
Power Supply
| Voltage | 230V AC |
| Voltage Range | 230V AC ±10% |
| Frequency | 50/60Hz |
| Power Consumption | 3VA |
Sensor Inputs
| Probe Inputs | 1 |
| Probe Type | NTC |
| Temp Range | -40 to 99°C |
| Accuracy | ±0.5°C |
Relay Outputs
| Relay Outputs | 1 |
| Relay Rating | 8A/250VAC |
Physical
| Panel Size | 32x74 mm |
| Depth | 60 mm |
| IP Rating | IP65 (front) |
| Weight | 70 g |
Operating Conditions
| Operating Temp | -5 to 55°C |
| Storage Temp | -20 to 70°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| 1 | Power L | Input |
brown
|
| 2 | Power N | Input |
blue
|
| 3 | Probe | Input |
red
|
| 4 | Probe | Input |
white
|
| 5 | Relay COM | Output |
black
|
| 6 | Relay NO | 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 | 0.1 to 20 | 2 °C | Switching differential |
| LSE | Min Setpoint | -40 to SET | -40 °C | Minimum allowed setpoint |
| HSE | Max Setpoint | SET to 99 | 99 °C | Maximum allowed setpoint |
| OFS | Offset | -10 to 10 | 0 °C | Probe calibration |
| dLY | Comp Delay | 0 to 15 | 3 min | Compressor restart delay |
| HAL | High Alarm | SET to 99 | 10 °C | High temperature alarm |
| LAL | Low Alarm | -40 to SET | -5 °C | Low temperature alarm |
Error Codes
E1
Probe error
Solution: Check NTC probe connection
HI
High temp alarm
Solution: Temperature above HAL
LO
Low temp alarm
Solution: Temperature below LAL
Frequently Asked Questions
IC 902 or EW Plus 902 are direct replacements
Press SET for 5 seconds
Alternative Models (Cross Reference)
IC 902 (replacement)
EW Plus 902
Dixell XR01CX
Manufacturer Information
Brand: Eliwell
Country: Italy
Parent: Schneider Electric