Dixell XC645D 5C11F controller for condensing units with four outputs and Digital Scroll compressor control
Dixell XH50P temperature and humidity probe with dew point calculation
Interface Dixell XJ485USB-KIT for programming controllers from PC via USB
- for control of Digital Scroll condensing units and other
- up to 4 compressor/fan outputs
- 2x NTC/4..20mA/0..5V input
- 2x analog output
Dixell XC600 Series Comparison:
| XC645CX | XC645D | XC650CX | XC660D | |
| Power | 12, 24 Vacdc | 230 Vac | 12, 24 Vacdc | 230 Vac |
| Analog inputs: | ||||
| Suction | 0..5V, 4..20mA, NTC | 0..5V, 4..20mA, NTC | 0..5V, 4..20mA, NTC | 0..5V, 4..20mA, NTC |
| Displacement | 0..5V, 4..20mA, NTC | 0..5V, 4..20mA, NTC | 0..5V, 4..20mA, NTC | 0..5V, 4..20mA, NTC |
| Configurable input | NTC | NTC | NTC | 0..5V, 4..20mA, NTC |
| Digital inputs: | ||||
| Low pressure switch | 1 | 1 | 1 | 1 |
| High pressure switch | 1 | 1 | 1 | 1 |
| Alarm | 4 | 5 | 4 | 6 |
| Configurable | 1 | 2 | 1 | 2 |
| Outputs: | ||||
| Relay | 4x 5A | 4x 5A | 5x 5A | 6x 5A |
| Digital™ compressor | Triac | Triak | ||
| Fr.inverter for compressor | Optional 4..20mA, 0..10V | Optional 4..20mA, 0..10V | Optional 4..20mA, 0..10V | |
| Fr.inverter for fans | Optional 4..20mA, 0..10V | Optional 4..20mA, 0..10V | Optional 4..20mA, 0..10V | Optional 4..20mA, 0..10V |
| Load | 12V/40mA | 12V/40mA | ||
| Other features: | ||||
| Communication | TTL | RS485 | TTL | RS485 |
| Remote keypad | VC660 | VC660 | ||
| Connection kit | CWC15-KIT, CWC30-KIT, CAB/CJ15, CAB/CJ30 | CW15-KIT, CW25-KIT, CAB/CJ15, CAB/CJ30 |
| Power supply | 230 Vac |
| Design (panel size) | DIN |
| Type of regulation | PI |
| Control input | Universal |
| Auxiliary digital input | Yes |
| Output - relay | 4x |
| Analog output | Yes |
| Communication Bus | RS485 |
| Display digit colour | Two colours |
| Producer | Dixell |
Dixell XC645D Used to control compressors and fans of condensing units. Compressors can be Digital Scroll, single, multi-stage.
The starting point for control using a neutral zone or proportionality band is the pressure or temperature sensed at the low pressure section (compressor suction) or high pressure section (condenser) of the circuit. A special algorithm balances the compressors' accrued hours to distribute the entire workload evenly.
The controller can convert the pressure reading and display it as a temperature.
The front panel offers complete information on system status, load status, condensing pressure (temperature), possible alarms or maintenance conditions. Each load has its own alarm input that can shut it down when activated.
Using the HOT KEY programming key, the controller can be easily programmed when switched on. The controller can be connected to the Xweb monitoring unit via the RS485 output, using the standard ModBus RTU protocol.
| TECHNICAL PARAMETERS | |
|---|---|
| Dimensions | 4 DIN modules |
| Mounting | DIN rail mounted |
| Power supply | 230Vac/dc ±10% 50-60Hz |
| Consumption | max. 5 VA |
| Coverage | IP20 |
| Inputs | 2 x NTC/4..20mA/0..5V (optional parameter) 9 x digital input |
| Outputs | 4 x SPST 5(3)A relay, 250Vac 2x analogue output 4..20mA or 0..10V Triac output 0.5A 230V TTL, RS485 ModBus - RTU |
| Resolution | 0.1°C; 1°F; 0.1bar; 1 PSI; |
| Accuracy | ±0.7 °C ±1 digit |
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