The Dixell XR60CX is a microprocessor-based controller, ideal for medium and low-temperature refrigeration units. It features a 3-digit display and six-button interface.
This versatile controller supports NTC and PTC probes, offering adaptable temperature management. Its compact 32x74mm format ensures easy integration into various systems.
The XR60CX boasts configurable digital inputs for alarm, defrost, and door switch functions, enhancing operational flexibility and user control.
Overview of the XR60CX
The Dixell XR60CX is a highly adaptable digital temperature thermostat controller, designed for medium and low-temperature refrigerated applications. This unit utilizes a microprocessor for precise temperature regulation, offering robust performance and reliability.
Featuring a user-friendly interface with six push buttons and a clear 3-digit display with a decimal point, the XR60CX simplifies operation and monitoring. It supports both NTC and PTC probe types, providing flexibility in sensor selection.
Its compact dimensions (32x74mm) facilitate easy installation in a wide range of refrigeration units, making it a versatile choice for various cooling needs.
Target Applications: Refrigeration Units
The Dixell XR60CX controller is specifically engineered for use in medium and low-temperature ventilated refrigeration units. It excels in applications requiring precise temperature control, such as commercial refrigerators, display cases, and cold storage facilities.
This controller is well-suited for packaged refrigeration systems and can manage compressor, fan, and defrost cycles effectively. Its adaptable digital inputs allow for integration with alarm systems, door switches, and pressure switches, enhancing overall system protection.
The XR60CX’s robust design ensures reliable operation in demanding refrigeration environments.
Key Features and Benefits
The Dixell XR60CX offers a user-friendly interface with its 3-digit display and six push-button keyboard. It provides precise temperature control via NTC/PTC probe compatibility, optimizing refrigeration performance. Configurable digital inputs enhance flexibility for various applications.
Benefits include reliable operation with 20A compressor and 8A defrost/fan relay outputs. Optional features like a real-time clock and remote display (X-REP) further expand functionality.
Its compact size and microprocessor-based design ensure efficient and dependable temperature management.
Technical Specifications
The XR60CX operates on 230Vac power, with a 32x74mm format. It supports NTC/PTC probes and features relay outputs for compressor, defrost, and fans.
Power Supply Requirements (110V/230Vac)
The Dixell XR60CX controller is designed for flexible power configurations, accommodating both 110V and 230Vac power supplies. This adaptability simplifies installation across diverse electrical infrastructures.
Specifically, the controller is available in models tailored for either 230Vac operation, as commonly found in European and many international settings, or 120V/50-60Hz configurations suitable for North American standards.
Proper voltage selection is crucial during installation to prevent damage to the unit. Always verify the input voltage matches the controller’s specified requirements before connecting to the power source.
Probe Compatibility (NTC/PTC)
The Dixell XR60CX controller demonstrates exceptional versatility through its compatibility with both NTC (Negative Temperature Coefficient) and PTC (Positive Temperature Coefficient) temperature probes.
This broad compatibility allows for seamless integration with a wide range of temperature sensing devices, offering flexibility in system design and component selection. The controller supports probes for thermostat, defrost, display, and condenser applications.
Proper probe selection and calibration are essential for accurate temperature monitoring and control, ensuring optimal performance of the refrigeration system.
Relay Output Ratings (Compressor, Defrost, Fans)
The XR60CX controller features robust relay outputs designed to manage critical refrigeration components. It provides a 20A relay for compressor control, ensuring reliable operation of the cooling system.
Dedicated 8A relays are included for both defrost and fan management, offering precise control over these essential functions. An additional 8A relay is available for a light, with optional upgrades to 16A.
These relay ratings ensure compatibility with a wide range of refrigeration equipment, providing a versatile control solution.
Controller Display and Interface
The XR60CX utilizes a clear 3-digit display with a decimal point for easy temperature reading. It features a user-friendly interface with six push buttons for control.
This intuitive design allows for straightforward navigation and configuration of the controller’s various settings.
3-Digit Display with Decimal Point
The Dixell XR60CX features a highly visible 3-digit display, enhanced by a crucial decimal point. This configuration allows for precise temperature readings, displaying values with greater accuracy than controllers lacking this feature.
The display clearly presents temperature values, enabling technicians and operators to quickly assess system performance. Its simplicity ensures easy readability, even in challenging lighting conditions. The chosen display type contributes to the controller’s overall user-friendliness, facilitating efficient monitoring and adjustment of refrigeration processes. This clear visual feedback is essential for maintaining optimal temperature control.
6-Button Keyboard Functionality
The Dixell XR60CX utilizes a user-friendly interface comprised of six push buttons. This intuitive keyboard allows for straightforward navigation through the controller’s programming menus and operational settings.
Each button is dedicated to specific functions, enabling quick access to parameters like temperature setpoints, defrost cycles, and alarm configurations. The six-button design streamlines the programming process, minimizing complexity for technicians. This responsive input system ensures efficient control and customization of the refrigeration unit, enhancing overall system management.
Display of Temperature Values
The XR60CX controller features a clear, 3-digit display equipped with a decimal point, providing precise temperature readings. This display continuously shows the current temperature being monitored by the connected probe(s).
Users can easily view temperature values for various sensors, including thermostat, defrost, condenser, and display probes. The display’s straightforward format ensures quick and accurate temperature assessment, crucial for maintaining optimal refrigeration performance and preventing temperature fluctuations. This visual feedback aids in efficient system monitoring.
Input Signals
The XR60CX accepts digital inputs for alarm, defrost, and door switch functions, alongside a configurable second digital input. It also supports NTC/PTC probe inputs.
Digital Input Configuration (Alarm, Defrost, Door Switch)
The XR60CX provides three configurable digital inputs, offering versatile functionality. These inputs can be programmed for alarm activation, initiating a defrost cycle, or monitoring a door switch status.
The alarm input triggers alerts based on pre-set temperature deviations or system malfunctions. The defrost input allows for on-demand or time-driven defrost cycles. The door switch input detects door openings, potentially pausing fan operation or activating alarms.
Furthermore, a pressure switch can be configured to utilize one of these digital inputs, enhancing system protection. Proper configuration through the programming menu is crucial for optimal performance.
Digital Input 2: Customizable Functionality
The XR60CX features a second digital input offering enhanced flexibility. This input isn’t pre-defined, allowing users to assign a custom function based on specific application needs. It can be configured to replicate the functionality of the other digital inputs – alarm, defrost, or door switch.
Alternatively, it can be assigned to control other auxiliary functions, providing tailored system control. This adaptability makes the XR60CX suitable for a wide range of refrigeration applications. Programming this input is done through the controller’s menu system.
Probe Inputs for Temperature Sensing
The Dixell XR60CX supports multiple probe inputs for precise temperature monitoring. It accommodates both NTC (Negative Temperature Coefficient) and PTC (Positive Temperature Coefficient) thermistors, offering broad compatibility. Dedicated inputs exist for thermostat, defrost, display, and condenser probes.
This multi-probe capability allows for comprehensive temperature control and monitoring throughout the refrigeration system. Accurate readings from these probes are crucial for efficient operation and maintaining desired temperature setpoints. Proper probe selection and connection are vital for optimal performance.
Output Signals
The XR60CX provides relay outputs for compressor (20A), defrost (8A), and fans (8A). Additional outputs include light control and a hot key/programming tool interface.
Compressor Relay Output (20A)
The XR60CX features a robust compressor relay output, rated at a substantial 20 Amperes. This high-capacity relay is designed to reliably control the compressor within refrigeration systems, ensuring efficient cooling performance.
This output is crucial for initiating and terminating the compressor’s operation based on temperature readings and programmed settings. Proper wiring and adherence to the controller’s specifications are essential for safe and effective compressor control. The 20A rating accommodates a wide range of compressor sizes commonly used in commercial refrigeration applications.
Careful consideration of the compressor’s electrical requirements is vital when connecting to this relay output.
Defrost Relay Output (8A)
The Dixell XR60CX incorporates an 8 Ampere defrost relay output, dedicated to managing the defrost cycle within the refrigeration unit. This relay activates the defrost heater, effectively removing ice buildup from the evaporator coils, maintaining optimal cooling efficiency.
The controller intelligently initiates and terminates the defrost cycle based on programmed parameters, such as time intervals or frost accumulation. Ensuring correct wiring and adherence to the heater’s voltage requirements is paramount for safe operation.
This 8A rating is suitable for most standard defrost heaters used in medium and low-temperature refrigeration systems.
Fan Relay Output (8A)
The XR60CX features an 8 Ampere fan relay output, designed to control the evaporator or condenser fan motors within the refrigeration system. This relay enables the controller to regulate airflow, optimizing heat exchange and maintaining consistent temperature levels.
The fan operation can be configured based on various parameters, such as compressor status or temperature thresholds, ensuring efficient and responsive cooling. Proper wiring and adherence to the fan motor’s voltage specifications are crucial for reliable performance.
This 8A rating accommodates most commonly used fan motors in refrigeration applications.
Additional Outputs: Light, Hot Key/Prog Tool Kit
The XR60CX provides additional output versatility with options for a light and a Hot Key/Prog Tool Kit connection. The light output, configurable at 8A or 16A, allows for illumination within the refrigerated space, enhancing visibility.
The Hot Key/Prog Tool Kit output facilitates advanced programming and diagnostic functions, streamlining controller configuration and troubleshooting. These outputs expand the controller’s functionality beyond basic temperature control.
Utilizing these features optimizes system operation and simplifies maintenance procedures.
Installation Guidelines
Proper installation requires a 32x74mm mounting space. Ensure secure wiring connections and adhere to grounding procedures for safe and reliable operation.
Refer to the wiring diagram for correct terminal assignments.
Mounting Dimensions (32 x 74 mm)
The Dixell XR60CX controller is designed for convenient panel mounting, featuring compact dimensions of 32mm in width and 74mm in height. This streamlined form factor allows for flexible integration into a wide range of refrigeration unit enclosures.
Ensure sufficient clearance around the controller for proper ventilation and wiring access. Precise cutouts are essential for a secure and stable fit, preventing any potential operational issues. Carefully consider the surrounding components to avoid interference during installation.
Proper mounting contributes to the controller’s long-term reliability and accurate performance.
Wiring Diagram and Connections
The XR60CX requires careful wiring for optimal functionality. Connect the power supply (110V/230Vac) to the designated terminals, ensuring correct polarity. Probe inputs for NTC/PTC sensors should be securely connected, referencing the specific wiring diagram.
Relay outputs for the compressor, defrost, and fans connect to corresponding loads, observing the specified current ratings (20A, 8A, 8A). Digital inputs for alarms, defrost initiation, and door switches require appropriate wiring configurations.
Always double-check all connections before powering on the unit.
Proper Grounding Procedures
Ensuring proper grounding is crucial for safety and reliable operation of the XR60CX controller. Connect the controller’s grounding terminal to a verified earth ground using a dedicated wire of appropriate gauge.
This minimizes electrical shock hazards and reduces electromagnetic interference. A solid ground connection also protects the controller and connected refrigeration equipment from voltage surges.
Verify the grounding connection with a multimeter to confirm low resistance. Improper grounding can lead to malfunction or damage; always prioritize safety.
Programming and Configuration
Accessing the programming menu allows users to customize temperature settings and defrost cycles. Configuration is done via the six-button keyboard interface.
Parameters can be adjusted to optimize performance for specific refrigeration applications, ensuring efficient and precise temperature control.
Accessing the Programming Menu
To enter the programming menu on the Dixell XR60CX controller, a specific key combination must be pressed. Typically, this involves simultaneously pressing the ‘SET’ and ‘DOWN’ buttons. Holding these buttons for a few seconds will initiate access.
The display will then change, indicating you are now in programming mode. Navigation through the various parameters is achieved using the ‘UP’ and ‘DOWN’ buttons. Confirming selections is done with the ‘SET’ button, while exiting programming is usually accomplished by pressing the ‘ESC’ button.
Refer to the detailed user manual for precise button sequences, as variations may exist depending on the specific XR60CX model and configuration.
Setting Temperature Parameters
Within the programming menu, temperature parameters are crucial for optimal refrigeration control. The ‘Set Point’ temperature, defining the desired cooling level, is a primary setting; Adjust this using the ‘UP’ and ‘DOWN’ buttons.
Differential, the temperature range around the set point, can also be configured. Further parameters include minimum and maximum allowable temperatures, providing safety limits. These settings ensure efficient operation and prevent damage to refrigerated goods.
Always consult the XR60CX manual for specific parameter codes and recommended values for your application.
Configuring Defrost Cycles
Defrost cycles are essential for preventing ice buildup on the evaporator. The XR60CX allows customization of these cycles through the programming menu. Key parameters include ‘Defrost Frequency’, determining how often defrosting occurs, and ‘Defrost Duration’, controlling the cycle’s length.
You can also set the ‘Defrost Termination’ temperature, ending the cycle when the evaporator reaches a specific level. Proper configuration optimizes energy efficiency and maintains cooling performance. Refer to the manual for detailed parameter codes.
Ensure settings align with your refrigeration unit’s needs.
Alarm Functions
The XR60CX features configurable alarm types and codes for high/low temperature, door openings, and probe failures. Acknowledge and reset alarms via the interface.
Adjustable alarm delays prevent nuisance triggering, ensuring reliable system monitoring and protection.
Alarm Types and Codes
The Dixell XR60CX utilizes a comprehensive alarm system, displaying specific codes to identify issues. Common alarms include high and low-temperature limits, indicating deviations from setpoints. Probe failure alarms (Err 1, Err 2) signal sensor malfunctions, while door switch alarms alert to prolonged openings.
Compressor alarms indicate operational problems, and defrost termination failures are also flagged. The controller’s manual details each code, enabling swift troubleshooting. Understanding these codes is crucial for maintaining optimal refrigeration performance and preventing potential damage or spoilage. Proper interpretation ensures efficient system operation.
Alarm Acknowledgement and Reset
Acknowledging alarms on the Dixell XR60CX is typically achieved by pressing a designated key – often the ‘SET’ or ‘MODE’ button – briefly. This silences the audible alarm (if equipped) and displays the alarm code. However, acknowledgement doesn’t automatically resolve the underlying issue.
Resetting the alarm requires correcting the fault. Once the condition clears, the alarm will often reset automatically. Manual reset via the programming menu might be necessary for certain alarms, as detailed in the user manual. Ignoring alarms can lead to system damage.
Configuring Alarm Delays
Alarm delays on the Dixell XR60CX are programmable parameters, allowing a time buffer before an alarm activates. This prevents nuisance alarms triggered by transient temperature fluctuations. Delays can be set for various alarm types, including high/low temperature and door open alarms.
Accessing these settings requires entering the programming menu. The delay duration is typically specified in minutes. Proper configuration minimizes false alerts while ensuring timely notification of genuine system faults, optimizing operational efficiency and preventing unnecessary interventions.
Defrost Management
The XR60CX offers flexible defrost control, initiating cycles via time or temperature. Defrost termination is based on probe temperature, optimizing efficiency and preventing ice buildup.
Heater control ensures effective ice removal, while customizable settings adapt to specific refrigeration needs, maximizing system performance and reliability.
Defrost Cycle Initiation Methods
The Dixell XR60CX provides multiple methods for initiating defrost cycles, offering adaptability to diverse refrigeration system requirements. Defrost can be triggered based on a pre-set time interval, ensuring regular ice removal. Alternatively, it can be initiated by temperature, activating when the evaporator probe reaches a defined threshold.
Furthermore, manual defrost initiation is possible, providing direct control for maintenance or troubleshooting. The controller also supports defrost starting via a digital input, allowing integration with external sensors or systems. This flexibility optimizes defrosting efficiency and minimizes energy consumption, contributing to overall system performance.
Defrost Termination Criteria
The XR60CX employs several criteria to reliably terminate defrost cycles, preventing unnecessary energy waste and ensuring optimal refrigeration performance. The primary method utilizes the evaporator probe temperature, ending the cycle when a pre-set temperature is reached. A maximum defrost duration acts as a safeguard, terminating the cycle even if the temperature criterion isn’t met.
Additionally, the controller can terminate defrost based on a timer, providing a fixed-duration cycle. These combined criteria ensure efficient ice removal while protecting the evaporator from overheating and maintaining consistent temperature control within the refrigerated unit.
Defrost Heater Control
The XR60CX manages the defrost heater through a dedicated relay output, capable of handling up to 8A. The controller activates this relay at the start of a defrost cycle, energizing the heater to melt accumulated ice on the evaporator. Precise timing and temperature monitoring are crucial for efficient defrosting.
The controller’s programming allows customization of defrost heater operation, including adjusting the heater’s on/off duration and ensuring optimal ice removal without excessive energy consumption or potential damage to the heating element.
Advanced Features
The XR60CX offers optional features like a real-time clock, remote display output (X-REP), and serial communication (TTL) for enhanced functionality.
These additions provide advanced monitoring, data logging, and integration capabilities for complex refrigeration systems.
Real Time Clock (Optional)
The Dixell XR60CX controller provides an optional real-time clock (RTC) feature, significantly expanding its capabilities beyond basic temperature control. When activated, this feature allows for time-stamped data logging and scheduled defrost cycles.
This is particularly useful for applications requiring detailed operational records or precise control over defrost intervals. The RTC enhances the controller’s ability to manage complex refrigeration processes efficiently. It enables users to track events and optimize performance based on time-specific parameters.
Installation and configuration of the RTC are typically performed through the programming menu, offering flexibility to tailor the system to specific needs.
Remote Display Output (X-REP Optional)
The XR60CX controller offers an optional remote display output, designated as X-REP, extending monitoring capabilities beyond the unit itself. This feature allows for connection to a remote display panel, providing temperature readings and operational status at a distant location.
The X-REP output is beneficial in applications where direct access to the controller is limited or where centralized monitoring of multiple refrigeration units is required. It enhances convenience and improves overall system oversight.
Configuration and connection details for the X-REP output are detailed in the controller’s programming manual.
Serial Communication (TTL)
The Dixell XR60CX incorporates a TTL (Transistor-Transistor Logic) serial communication port, enabling data exchange with external devices like computers or data loggers. This feature facilitates advanced monitoring, data acquisition, and remote control capabilities.
Through the TTL interface, users can access controller parameters, temperature readings, and alarm status for analysis and reporting. It’s useful for integrating the refrigeration system into broader automation networks.
Detailed communication protocols and wiring specifications are available within the XR60CX’s comprehensive user manual.
Troubleshooting Common Issues
Common XR60CX problems include display errors, relay malfunctions, and probe sensor issues. The user manual provides solutions for these, ensuring quick system recovery.
Refer to the manual’s diagnostic section for error codes and step-by-step troubleshooting guidance.
Display Errors and Solutions
Display errors on the XR60CX often indicate underlying system issues. A blank display typically suggests a power supply problem; verify connections and voltage. Error codes, displayed as flashing numbers, require referencing the manual’s dedicated troubleshooting section for specific interpretations.
For example, a probe error code signals a faulty sensor or wiring issue. Incorrect temperature readings may indicate probe calibration is needed. If the display shows erratic behavior, check for electrical interference or a failing controller. Always consult the manual before attempting repairs.
Relay Output Malfunctions
Relay output malfunctions on the XR60CX can disrupt refrigeration processes. A compressor relay failure prevents cooling, while a defrost relay issue leads to ice buildup. Fan relay problems affect air circulation. Check relay ratings (20A compressor, 8A defrost/fans) and wiring connections first.
Verify the controller is signaling the relay correctly. If a relay continuously cycles, it may indicate a short circuit or faulty component. Always disconnect power before inspecting or replacing relays, and consult the manual for specific troubleshooting steps.
Probe Sensor Problems
Probe sensor issues with the XR60CX controller can cause inaccurate temperature readings. The XR60CX supports both NTC and PTC probe types for various applications like thermostat, defrost, condenser, and display functions. Check probe connections for looseness or corrosion.
Verify the correct probe type is selected in the programming menu. A faulty probe will require replacement. Ensure proper insulation to prevent electrical interference. Refer to the manual for resistance values at different temperatures to confirm probe functionality.
Maintenance and Care
Regular cleaning of the XR60CX controller is recommended. Periodic calibration ensures accurate temperature control. A preventative maintenance schedule will maximize longevity and reliability.
Cleaning Procedures
To maintain optimal performance of your Dixell XR60CX controller, regular cleaning is essential. Disconnect power before any cleaning attempt; Use a soft, slightly damp cloth to gently wipe the exterior casing, avoiding abrasive cleaners or solvents.
Do not immerse the controller in water or any liquid. Pay particular attention to the display and keyboard areas, removing any dust or debris. Ensure the unit is completely dry before restoring power. This simple procedure helps prevent malfunctions and extends the controller’s lifespan, ensuring continued accurate temperature regulation.
Calibration Recommendations
Periodic calibration of the Dixell XR60CX ensures continued temperature accuracy. It’s recommended to calibrate the controller annually, or more frequently in demanding applications. Compare the displayed temperature with a calibrated reference thermometer.
Access the programming menu to adjust the temperature offset if discrepancies exist. Small adjustments are typically sufficient. Document all calibration changes for future reference. Proper calibration maintains system efficiency and prevents temperature-related issues, safeguarding stored products or processes.
Preventative Maintenance Schedule
Establish a routine for preventative maintenance on the Dixell XR60CX. Inspect wiring connections quarterly for tightness and corrosion. Clean the controller’s exterior with a soft, dry cloth every six months to remove dust and debris.
Verify probe functionality annually, checking for damage or inaccurate readings. Regularly review alarm logs for recurring issues. A consistent schedule maximizes controller lifespan, minimizes downtime, and ensures reliable temperature control within your refrigeration system.
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