XR70CX
XR Series • Refrigeration Controller
Quick Info
Output Functions
Advanced controller with real-time clock for scheduled defrosts
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 4 |
| Buttons | 4 |
| LED Indicators | Compressor, Defrost, Fan, Clock |
Power Supply
| Voltage | 230V AC |
| Voltage Range | 110-230V AC |
| Frequency | 50/60Hz |
| Power Consumption | 4VA |
Sensor Inputs
| Probe Inputs | 2 |
| Probe Type | NTC |
| Temp Range | -50 to 110°C |
| Accuracy | ±0.5°C |
Relay Outputs
| Relay Outputs | 3 |
| Relay Rating | 8A/250VAC |
Physical
| Panel Size | 32x74 mm |
| Depth | 59 mm |
| IP Rating | IP65 (front) |
| Weight | 105 g |
Operating Conditions
| Operating Temp | 0 to 55°C |
| Storage Temp | -25 to 60°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| 1 | Power L | Input |
brown
|
| 2 | Power N | Input |
blue
|
| 3 | Probe 1 (+) | Input |
red
|
| 4 | Probe 1 (-) | Input |
white
|
| 5 | Probe 2 (+) | Input |
red
|
| 6 | Probe 2 (-) | Input |
white
|
| 7 | Digital Input | Input |
gray
|
| 8 | DI Common | Input |
gray
|
| 9 | Relay 1 (Comp) | Output |
black
|
| 10 | Relay 1 COM | Output |
black
|
| 11 | Relay 2 (Def) | Output |
orange
|
| 12 | Relay 2 COM | Output |
orange
|
| 13 | Relay 3 (Fan) | Output |
green
|
| 14 | Relay 3 COM | Output |
green
|
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 | -50 to 110 | -18 °C | Temperature setpoint |
| Hy | Differential | 0.1 to 25.5 | 2 °C | Switching differential |
| dt | Defrost Type | 0=Off, 1=Elec, 2=Gas | 1 | Defrost method |
| dP | Defrost Duration | 0 to 99 | 30 min | Maximum defrost time |
| dE | Defrost End Temp | 0 to 50 | 8 °C | Termination temperature |
| td1 | Defrost Time 1 | 00:00-23:59 | 06:00 | First scheduled defrost |
| td2 | Defrost Time 2 | 00:00-23:59 | 12:00 | Second scheduled defrost |
| td3 | Defrost Time 3 | 00:00-23:59 | 18:00 | Third scheduled defrost |
| td4 | Defrost Time 4 | 00:00-23:59 | 00:00 | Fourth scheduled defrost |
| Fd | Fan Delay | 0 to 15 | 2 min | Fan restart delay |
Error Codes
Solution: Check probe 1
Solution: Check probe 2
Solution: Set clock or replace battery
Solution: Normal operation
Frequently Asked Questions
Press SET for 5 seconds, scroll to rtC parameters
More precise control, can avoid defrost during peak hours
Alternative Models (Cross Reference)
Manufacturer Information
Brand: Dixell
Country: Italy
Parent: Emerson Climate Technologies