Eliwell
EM 300
EM Series • Refrigeration Controller
Quick Info
Type
Refrigeration
Application
Display Case
Probe Inputs
1
Relay Outputs
1
Panel Size
28.5x71 mm
Output Functions
R1
Alarm
Electronic thermometer with alarm function
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 3 |
| Buttons | 2 |
| LED Indicators | Alarm |
Power Supply
| Voltage | 230V AC |
| Voltage Range | 100-240V AC |
| Frequency | 50/60Hz |
| Power Consumption | 2VA |
Sensor Inputs
| Probe Inputs | 1 |
| Probe Type | NTC 10K |
| Temp Range | -50 to 110°C |
| Accuracy | ±0.5°C |
Relay Outputs
| Relay Outputs | 1 |
| Relay Rating | 5A/250VAC |
Physical
| Panel Size | 28.5x71 mm |
| Depth | 50 mm |
| IP Rating | IP65 (front) |
| Weight | 55 g |
Operating Conditions
| Operating Temp | -5 to 55°C |
| Storage Temp | -25 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 | Alarm NO | Output |
red
|
| 6 | Alarm COM | Output |
red
|
Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.
Parameter Settings
| Code | Parameter | Range | Default | Description |
|---|---|---|---|---|
| AL | Low Alarm | -50 to AH | -5 °C | Low temp alarm |
| AH | High Alarm | AL to 110 | 15 °C | High temp alarm |
| Ad | Alarm Delay | 0 to 255 | 30 min | Alarm activation delay |
| Ot | Offset | -12 to 12 | 0 °C | Probe calibration |
Error Codes
E1
Probe fault
Solution: Check probe wiring
HI
High temp alarm
Solution: Temperature above AH setpoint
LO
Low temp alarm
Solution: Temperature below AL setpoint
Frequently Asked Questions
No, EM 300 is a thermometer with alarm only. Use IC or EW Plus series for control
Alternative Models (Cross Reference)
Dixell XR10CX (display only)
Carel PJEZ (thermometer)
Manufacturer Information
Brand: Eliwell
Country: Italy
Parent: Schneider Electric