1. Introduction
This manual provides essential information for the installation, operation, and maintenance of the generic EKE400 080G5003 Evaporator Controller. Please read this manual thoroughly before attempting to install or operate the device to ensure safe and efficient use. Keep this manual for future reference.
2. Safety Information
WARNING: Improper installation, operation, or maintenance can lead to serious injury or equipment damage.
- Always disconnect power before performing any installation, maintenance, or service on the controller.
- Ensure all electrical connections comply with local and national electrical codes.
- Only qualified personnel should install and service this equipment.
- Do not operate the controller in environments exceeding its specified operating conditions (temperature, humidity).
- Protect the controller from moisture and direct sunlight.
3. Product Overview
The EKE400 080G5003 is an advanced evaporator controller designed for precise management of refrigeration systems. It offers robust control over evaporator functions, optimizing performance and energy efficiency.
3.1. Key Components
- Main Control Unit
- Display Interface
- Input/Output Terminals
- Mounting Brackets
3.2. Product Diagram
Refer to the image below for a visual representation of the EKE400 080G5003 Evaporator Controller.

Image: Front view of the EKE400 080G5003 Evaporator Controller, showing the display screen and control buttons.
4. Setup
4.1. Unpacking
Carefully remove the controller from its packaging. Inspect the unit for any signs of damage during transit. Report any damage to your supplier immediately.
4.2. Mounting
- Select a suitable location for mounting, ensuring it is free from excessive vibration, heat, and moisture.
- Use the provided mounting brackets and screws to securely fasten the controller to a stable surface.
- Ensure adequate clearance around the unit for ventilation and access to wiring terminals.
4.3. Electrical Connections
CAUTION: All wiring must be performed by a qualified electrician.
- Power Supply: Connect the main power supply to the designated terminals (L, N, PE) as indicated on the wiring diagram. Ensure the voltage matches the controller's specifications.
- Sensor Inputs: Connect temperature and pressure sensors to their respective input terminals. Observe correct polarity for analog sensors.
- Output Relays: Connect evaporator fans, defrost heaters, and other controlled devices to the appropriate relay output terminals.
- Communication Ports: If applicable, connect communication cables (e.g., Modbus) to the designated ports.
Refer to the detailed wiring diagram included with your product for specific connection points.
5. Operating Instructions
5.1. Initial Power-Up
- After all connections are secure, apply power to the controller.
- The display will illuminate, and the controller will perform a self-test.
- Follow any on-screen prompts for initial setup, such as language selection or basic parameter configuration.
5.2. Basic Operation
The EKE400 080G5003 features an intuitive display and button interface for parameter adjustment and monitoring.
- Navigation Buttons: Use the UP/DOWN arrows to scroll through menus and values.
- Enter Button: Press to select a menu item or confirm a value.
- Escape/Back Button: Press to exit a menu or cancel an action.
To set the desired evaporator temperature, navigate to the 'Set Point' menu, adjust the value using the arrow buttons, and confirm with the Enter button.
5.3. Advanced Settings
Access the 'Advanced Settings' menu to configure parameters such as defrost cycles, fan control logic, alarm thresholds, and communication protocols. Consult the detailed programming guide for comprehensive instructions on advanced parameter configuration.
6. Maintenance
WARNING: Disconnect power before performing any maintenance.
6.1. Routine Checks
- Monthly: Inspect all wiring connections for tightness and signs of corrosion.
- Quarterly: Verify sensor readings against a calibrated reference to ensure accuracy.
- Annually: Check the controller's firmware version and update if necessary (refer to support documentation for update procedures).
6.2. Cleaning
Clean the exterior of the controller with a soft, dry cloth. Do not use abrasive cleaners, solvents, or excessive moisture, as these can damage the display or internal components.
7. Troubleshooting
This section provides solutions to common issues encountered with the EKE400 080G5003 Evaporator Controller.
| Problem | Possible Cause | Solution |
|---|---|---|
| Controller does not power on | No power supply; Blown fuse; Incorrect wiring | Check power source; Replace fuse; Verify wiring connections |
| Incorrect temperature readings | Faulty sensor; Incorrect sensor calibration; Loose sensor connection | Test/replace sensor; Recalibrate sensor; Secure sensor wiring |
| Evaporator not defrosting | Defrost cycle disabled; Faulty defrost heater; Sensor error | Check defrost settings; Inspect/replace heater; Verify sensor operation |
| Display shows error code | System fault; Sensor out of range | Refer to the error code list in the full technical manual for specific actions. |
If the problem persists after attempting these solutions, contact technical support.
8. Specifications
- Model: EKE400 080G5003
- Power Supply: [Specify Voltage/Frequency, e.g., 230V AC, 50/60Hz]
- Power Consumption: [Specify, e.g., Max 10W]
- Operating Temperature: [Specify Range, e.g., -20°C to +55°C (-4°F to +131°F)]
- Storage Temperature: [Specify Range, e.g., -30°C to +70°C (-22°F to +158°F)]
- Humidity: [Specify, e.g., 10-90% RH non-condensing]
- Inputs: [Specify number and type, e.g., 4 x NTC/PT1000 temperature sensors, 2 x digital inputs]
- Outputs: [Specify number and type, e.g., 5 x relay outputs (compressor, fan, defrost, alarm)]
- Communication: [Specify, e.g., Modbus RTU]
- Dimensions (H x W x D): [Specify, e.g., 100 x 150 x 60 mm]
- Weight: [Specify, e.g., 0.5 kg]
- Protection Class: [Specify, e.g., IP65 (front)]
9. Warranty Information
The generic EKE400 080G5003 Evaporator Controller is covered by a standard [e.g., one-year] limited warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, misuse, unauthorized modification, or acts of nature. For full warranty terms and conditions, please refer to the warranty card included with your product or contact your supplier.
10. Technical Support
If you require technical assistance or have questions regarding the EKE400 080G5003 Evaporator Controller, please contact your authorized distributor or the manufacturer's support team.
- Website: [Insert Manufacturer/Distributor Website]
- Email: [Insert Support Email Address]
- Phone: [Insert Support Phone Number]
When contacting support, please have your product model number (EKE400 080G5003) and a detailed description of the issue ready.





