Shangfang
SF-201
SF-2 Series • Refrigeration Controller
Quick Info
Type
Refrigeration
Application
Display Case
Probe Inputs
1
Relay Outputs
1
Panel Size
75x35 mm
Output Functions
R1
Compressor
Refrigeration controller with off-cycle defrost
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 3 |
| Buttons | 3 |
| LED Indicators | Compressor, Defrost |
Power Supply
| Voltage | 220V AC |
| Voltage Range | 200-240V AC |
| Frequency | 50Hz |
| Power Consumption | 3W |
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 | 75x35 mm |
| Depth | 70 mm |
| IP Rating | IP54 |
| Weight | 85 g |
Operating Conditions
| Operating Temp | -10 to 55°C |
| Storage Temp | -20 to 60°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| 1 | Power L | Input |
brown
|
| 2 | Power N | Input |
blue
|
| 3-4 | NTC Probe | Input |
yellow/white
|
| 5 | Comp COM | Output |
black
|
| 6 | Comp 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 |
|---|---|---|---|---|
| SP | Setpoint | -40 to 50 | 4 °C | Temperature setpoint |
| dF | Differential | 1 to 15 | 2 °C | Switching differential |
| dI | Defrost Interval | 0 to 24 | 8 hr | Off-cycle defrost interval |
| dP | Defrost Duration | 0 to 60 | 15 min | Compressor off time |
| Cd | Comp Delay | 0 to 15 | 3 min | Restart delay |
Error Codes
E1
Probe fault
Solution: Check probe wiring
dF
Defrost active
Solution: Normal operation
Frequently Asked Questions
Compressor stops periodically to allow frost melting naturally
Alternative Models (Cross Reference)
Dixell XR10CX
Elitech ETC-100+
Manufacturer Information
Brand: Shangfang
Country: China