VEMER VE453700 Chronos Wall-Mounted Touchscreen Thermostat User Manual

1. Introduction

Thank you for choosing the VEMER VE453700 Chronos Wall-Mounted Touchscreen Thermostat. This device is designed to provide precise and efficient temperature control for your heating and cooling systems. Featuring a modern touchscreen interface, weekly programming capabilities, and a clear LCD display with polychrome backlighting, the Chronos thermostat offers both functionality and aesthetic appeal. This manual will guide you through the installation, setup, and operation of your new thermostat.

2. Product Overview

The VEMER Chronos thermostat combines advanced technology with user-friendly design. Its key features include:

• Wall-mounted design with a sleek touchscreen interface.
• Clear LCD display with polychrome (red, green, blue) backlighting.
• Weekly programming for customized temperature schedules.
• 230V mains power supply.
• Heating/cooling function with on/off or proportional control.
• Automatic daylight saving time adjustment.
• Key lock function with password for unauthorized access prevention.

Image 1: Front view of the VEMER Chronos thermostat, showing the digital display with time, temperature, and programming icons.

3. Safety Information

Please read these safety instructions carefully before installation and operation. Failure to follow these instructions may result in electric shock, fire, or damage to the product.

• Electrical Installation: Installation must be performed by a qualified electrician in accordance with local electrical codes and regulations.
• Power Disconnection: Always disconnect power at the main circuit breaker before installing, wiring, or servicing the thermostat.
• Voltage: This device operates on 230V. Ensure your electrical supply matches this requirement.
• Moisture: Do not install the thermostat in areas with high humidity or where it may come into contact with water.
• Cleaning: Use a soft, dry cloth for cleaning. Do not use abrasive cleaners or solvents.

4. Installation

The VEMER Chronos thermostat is designed for wall mounting. Choose a location away from direct sunlight, drafts, and heat sources for accurate temperature readings.

4.1 Dimensions

Image 2: Technical drawing showing the dimensions of the VEMER Chronos thermostat in millimeters (125mm width, 85mm height, 26mm depth).

4.2 Mounting Steps

1. Carefully separate the front panel from the backplate.
2. Position the backplate on the wall at the desired location.
3. Mark the drilling points through the designated holes on the backplate.
4. Drill holes and insert wall plugs if necessary.
5. Secure the backplate to the wall using screws.
6. Proceed to wiring before attaching the front panel.

Image 3: Diagram illustrating the steps for mounting the thermostat backplate to the wall and attaching the main unit.

5. Wiring

WARNING: Ensure power is disconnected at the main circuit breaker before performing any wiring.

The VEMER Chronos thermostat requires a 230V power supply. Connect the wires to the terminals on the backplate as indicated in the diagram below. Consult a qualified electrician if you are unsure about the wiring process.

Image 4: Simplified wiring diagram showing connections to the thermostat terminals. Ensure correct live and neutral connections, and connect the load (heating/cooling system) to the appropriate output terminals.

After wiring, carefully attach the front panel to the backplate, ensuring it clicks securely into place. Restore power at the circuit breaker.

6. Initial Setup

Upon first power-up, the thermostat may require initial configuration. This typically involves setting the current time, day, and basic operating mode (heating or cooling).

• Time and Date: Use the touchscreen controls to set the correct time and day of the week. The device supports automatic daylight saving time adjustment.
• Operating Mode: Select between heating () and cooling () modes based on your system.
• Temperature Unit: Configure the display to show temperature in Celsius or Fahrenheit, if applicable.

7. Operating Instructions

The Chronos thermostat features a responsive touchscreen interface with intuitive icons.

7.1 Display and Controls

Image 5: The thermostat display showing time, current temperature, and programming schedule. The background color changes (red for heating, blue for cooling, green for comfort) to indicate the current status.

The display shows the current time, day, and measured temperature. The polychrome backlight changes color to visually indicate the operating status (e.g., red for heating, blue for cooling, green for comfort).

• SET Button: Accesses programming and settings menus.
• Up/Down Arrows (): Adjusts temperature setpoints or navigates menu options.
• Touch Icon (): Confirms selections or activates specific functions.

7.2 Key Lock Function

The thermostat includes a key lock function () to prevent unauthorized changes to settings. This is particularly useful in public spaces or households with children. Refer to the full manual for instructions on how to activate and deactivate the key lock with a password.

8. Programming

The Chronos thermostat allows for weekly programming, enabling you to set different temperature schedules for each day of the week or for specific periods. This optimizes energy consumption and ensures comfort when needed.

• Accessing Programming: Press the SET button to enter the programming menu.
• Setting Schedules: Navigate through the days and time slots to define your desired temperature setpoints. You can typically set multiple temperature levels (e.g., comfort, economy, anti-freeze) for different times of the day.
• Copy Function: Some models offer a copy function to easily duplicate schedules from one day to another.
• Temporary Override: You can temporarily override the programmed schedule without deleting it. The thermostat will revert to the program at the next scheduled change.

Detailed instructions for creating and modifying programs are available in the comprehensive user manual, which can be downloaded from the VEMER website.

9. Maintenance

The VEMER Chronos thermostat requires minimal maintenance to ensure optimal performance.

• Cleaning: Periodically wipe the screen and casing with a soft, dry, lint-free cloth. Do not use liquid cleaners, sprays, or abrasive materials, as these can damage the screen or internal components.
• No User-Serviceable Parts: The thermostat contains no user-serviceable parts. Do not attempt to open or repair the device yourself. Refer all servicing to qualified personnel.
• Software Updates: Check the VEMER website for any available firmware updates that may enhance functionality or address issues.

10. Troubleshooting

If you encounter issues with your VEMER Chronos thermostat, refer to the following common troubleshooting steps:

• No Display/Power: Check the main circuit breaker to ensure power is supplied to the thermostat. Verify wiring connections are secure.
• Incorrect Temperature Reading: Ensure the thermostat is not exposed to direct sunlight, drafts, or heat sources that could affect its sensor.
• Heating/Cooling Not Activating: Check the operating mode (heating/cooling) and ensure the setpoint temperature is correctly configured to trigger the system. Verify that the system (boiler/AC) itself is operational.
• Programming Issues: Review your programmed schedules for any conflicts or incorrect settings. Ensure the current time and day are accurately set.
• Unresponsive Touchscreen: Gently clean the screen. If the issue persists, a power cycle (turning off and on at the breaker) may resolve it.

For more complex issues or persistent problems, contact VEMER customer support or a qualified technician.

11. Technical Specifications

12. Warranty and Support

VEMER products are manufactured to high-quality standards. For warranty information, technical support, or to download the complete user manual, please visit the official VEMER website or contact their customer service department. Keep your purchase receipt as proof of purchase.

This product is Made in Italy, reflecting a commitment to quality and craftsmanship.