XCM-330
XCM Series • Refrigeration Controller
Quick Info
Output Functions
Compressor pack manager for up to 30 compressors
Technical Specifications
Display & Interface
| Display Type | LCD |
| Display Digits | Graphic |
| Buttons | 8 |
| LED Indicators | Run, Alarm, Comm, Network |
Power Supply
| Voltage | 230V AC |
| Voltage Range | 100-240V AC |
| Frequency | 50/60Hz |
| Power Consumption | 15VA |
Sensor Inputs
| Probe Inputs | 8 |
| Probe Type | NTC / 4-20mA |
| Temp Range | -50 to 150 / 0-50 bar°C |
| Accuracy | ±0.3°C |
Relay Outputs
| Relay Outputs | 16 |
| Relay Rating | 5A/250VAC |
Physical
| Panel Size | 288x288 mm |
| Depth | 100 mm |
| IP Rating | IP54 (front) |
| Weight | 2500 g |
Operating Conditions
| Operating Temp | -10 to 55°C |
| Storage Temp | -25 to 65°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| 1-2 | Power 230VAC | Input |
brown/blue
|
| AI1-AI8 | Analog inputs | Input |
various
|
| DI1-DI16 | Digital inputs | Input |
various
|
| RS1 | RS485 Port 1 | Comm |
orange/yellow
|
| RS2 | RS485 Port 2 | Comm |
orange/yellow
|
| ETH | Ethernet RJ45 | Comm |
N/A
|
| DO1-DO16 | Relay outputs | Output |
various
|
| AO1-AO4 | Analog outputs | Output |
various
|
Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.
Parameter Settings
| Code | Parameter | Range | Default | Description |
|---|---|---|---|---|
| SP | Suction Press SP | 0 to 30 | 4 bar | Suction pressure setpoint |
| dP | Stage Diff | 0.1 to 3 | 0.5 bar | Compressor staging differential |
| ST | Stage Time | 30 to 600 | 120 sec | Minimum stage time |
| NC | Comp Count | 1 to 30 | 8 | Number of compressors |
| NF | Fan Count | 1 to 16 | 6 | Number of condenser fans |
| HP | HP Setpoint | 10 to 35 | 18 bar | Condensing pressure target |
| HH | HP Cutout | 15 to 40 | 28 bar | High pressure safety |
| LL | LP Cutout | -1 to 5 | 0 bar | Low pressure safety |
Error Codes
Solution: Check condenser and fans
Solution: Check refrigerant charge
Solution: Check oil level
Solution: Check motor protection
Solution: Check power supply
Solution: Check staging settings
Solution: Check network wiring
Frequently Asked Questions
Up to 30 compressors with digital unloading or VSD
Yes, ambient-based condensing pressure optimization
Alternative Models (Cross Reference)
Manufacturer Information
Brand: Emerson/Alco
Country: USA
Parent: Copeland (Emerson Climate Technologies)