1. Introduction
Thank you for choosing the HAVERLAND RC4MS/C 500W High Inertia Fluid Radiator. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your new heating appliance. Please read this manual thoroughly before use and retain it for future reference.
This radiator features a high inertia thermal fluid, a digital PID chronothermostat, and advanced programming options to ensure optimal comfort and energy efficiency in your home.
2. Safety Instructions
Always observe the following safety precautions to reduce the risk of fire, electric shock, or injury:
- Ensure the radiator is installed by a qualified professional in accordance with local electrical and building codes.
- Do not cover the radiator or obstruct its air vents, as this can lead to overheating.
- Keep flammable materials, such as curtains, furniture, and paper, at a safe distance from the radiator.
- Do not insert objects into any openings of the radiator.
- Do not operate the radiator with a damaged cord or plug, or if it has malfunctioned or been dropped.
- Unplug the radiator from the power outlet before cleaning or performing any maintenance.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the appliance.
3. Package Contents
Upon unpacking, please verify that all components are present and undamaged:
- HAVERLAND RC4MS/C 500W Fluid Radiator unit
- Wall mounting brackets
- Fixing template
- Accessory kit (screws, anchors, etc.)
- User Manual (this document)

Image 1: The HAVERLAND RC4MS/C 500W High Inertia Fluid Radiator. This image shows the front view of the white radiator with its digital control panel on the right side.
4. Setup and Installation
The HAVERLAND RC4MS/C radiator is designed for wall mounting. Professional installation is recommended.
4.1 Wall Mounting
- Choose a suitable location on a solid wall, ensuring adequate clearance from furniture and other objects. Avoid placing it directly under electrical outlets.
- Use the provided fixing template to mark the drilling points for the wall mounting brackets.
- Drill holes and insert appropriate wall anchors (included in the accessory kit).
- Securely attach the wall mounting brackets to the wall.
- Carefully lift the radiator and hook it onto the installed wall brackets. Ensure it is securely seated and level.
4.2 Electrical Connection
- The radiator comes with an approximately 1.8m power cable with an output on the lower right side.
- Connect the power cable to a suitable grounded electrical outlet. Ensure the outlet meets the power requirements of the 500W radiator.
- Do not use extension cords or adapters.

Image 2: The HAVERLAND RC4MS/C radiator installed on a wall in a living room setting. This illustrates the typical placement and appearance of the radiator once mounted.

Image 3: The HAVERLAND RC4MS/C radiator installed on a wall in an office environment. This image provides another example of the radiator's appearance and size relative to typical room furniture.
5. Operating Instructions
The HAVERLAND RC4MS/C radiator features a digital PID chronothermostat for precise temperature control and programming.
5.1 Control Panel and Display
The radiator is equipped with an LCD screen that displays the ambient temperature and various settings. The easy-access keyboard allows for intuitive control.
5.2 Operating Modes
Select from three primary operating modes:
- Comfort Mode: Maintains a desired comfortable temperature.
- Economy Mode: Operates at a reduced temperature to save energy.
- Frost Protection Mode: Maintains a minimum temperature (e.g., 5-7°C) to prevent freezing.
5.3 Programming
The digital chronothermostat allows for flexible programming:
- Manual Mode: Set a constant temperature that the radiator will maintain.
- Automatic Mode: Utilize pre-programmed settings or customize your own.
- Pre-programmed Settings: Seven pre-recorded programs are available for different room types or usage patterns.
- Weekly Programming: Configure distinct heating schedules for weekdays and weekends.
- PID Control: The PID (Proportional-Integral-Derivative) control system ensures precise temperature regulation with an accuracy of +/- 0.2°C.
5.4 Consumption Indicator
An exclusive feature of this model is the monthly electrical consumption indicator displayed on the screen, helping you monitor and manage energy usage.
5.5 Additional Features
- 24-hour Reserve: Maintains time and program settings during short power outages.
- Safety Thermal Limiter: An integrated safety feature to prevent overheating.
6. Maintenance
Regular maintenance ensures the longevity and efficient operation of your radiator.
- Cleaning: Before cleaning, always unplug the radiator and allow it to cool completely. Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Dust Removal: Periodically remove dust from the air vents using a soft brush or vacuum cleaner attachment to maintain optimal airflow.
- Inspection: Regularly inspect the power cord and plug for any signs of damage. If damage is found, discontinue use and contact a qualified technician.
7. Troubleshooting
If you encounter issues with your HAVERLAND RC4MS/C radiator, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Radiator does not turn on. | No power supply; Power cable not properly connected; Thermal limiter activated. | Check if the radiator is plugged into a live outlet. Ensure the power cable is securely connected. Allow the radiator to cool down if the thermal limiter has activated. |
| Radiator is not heating sufficiently. | Incorrect temperature setting; Radiator in Economy or Frost Protection mode; Room too large for radiator capacity; Obstruction of air vents. | Increase the set temperature. Switch to Comfort mode. Ensure the radiator's wattage is appropriate for the room size. Clear any obstructions from the air vents. |
| Display shows an error code. | Internal malfunction. | Note the error code and consult the manufacturer's support or a qualified technician. |
If the problem persists after attempting these solutions, please contact customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | HAVERLAND |
| Model | RC4MS/C |
| Power | 500W |
| Type | High Inertia Fluid Radiator |
| Thermostat | Digital PID Chronothermostat (+/- 0.2°C accuracy) |
| Programming | Weekly, 7 pre-programs, Manual/Automatic modes |
| Display | LCD with consumption indicator |
| Operating Modes | Comfort, Economy, Frost Protection |
| Dimensions (H x W x D) | 44.7 cm x 58 cm x 10 cm (approx.) |
| Weight | 13 kg |
| Power Cable Length | 1.8 m (approx.) |
| Safety Features | Safety thermal limiter |
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact your retailer or the HAVERLAND customer service department. Keep your purchase receipt as proof of purchase.
While specific spare parts availability information is not provided, please reach out to customer support for any repair or replacement needs.





