1. Introduction and Safety Information
This manual provides essential instructions for the safe installation, operation, and maintenance of your ALTECH HY20CWT62T electric radiator. Please read this manual thoroughly before installation and use, and retain it for future reference.
Important Safety Instructions:
- Electrical Safety: This appliance must be installed by a qualified electrician in accordance with all local and national electrical codes. Ensure the power supply matches the specifications of the radiator.
- Placement: Do not install the radiator directly below a power outlet. Maintain minimum distances from walls, furniture, and flammable materials as specified in the installation section.
- Children and Vulnerable Persons: This appliance can be used by children aged 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
- Overheating: Do not cover the radiator. Covering the radiator can cause overheating and fire.
- Water Exposure: Do not use this radiator in the immediate surroundings of a bath, a shower or a swimming pool. Do not immerse the appliance in water or other liquids.
- Maintenance: Disconnect the appliance from the mains supply before cleaning or performing any maintenance.
2. Product Overview
The ALTECH HY20CWT62T is a 2000W electric radiator featuring dry inertia technology with a cast iron heating element and a film for efficient heat distribution. It is designed for programmable heating, offering comfort and energy savings.

Figure 2.1: Front view of the ALTECH HY20CWT62T Electric Radiator. This image shows the white rectangular body of the radiator with horizontal vents.
Key Features:
- Dry Inertia Heating: Utilizes a cast iron core to store and slowly release heat, providing consistent and comfortable warmth.
- Film Technology: Enhances heat transfer and distribution.
- Programmable: Allows for custom heating schedules to optimize energy consumption.
- Power Output: 2000W, suitable for heating medium to large rooms.
- Dimensions: 600x790mm (Height x Width).
3. Setup and Installation
Installation of this electric radiator must be carried out by a qualified professional to ensure safety and compliance with electrical standards.
3.1. Pre-Installation Checks:
- Verify that the packaging is intact and all components are present.
- Ensure the wall where the radiator will be mounted is structurally sound and can support the weight of the appliance.
- Confirm that the electrical circuit can handle a 2000W load.
3.2. Mounting the Radiator:
- Mark the drilling points on the wall according to the provided mounting template (if included) or the radiator's mounting brackets.
- Drill holes and insert appropriate wall plugs.
- Secure the mounting brackets to the wall.
- Carefully hang the radiator onto the brackets, ensuring it is level and securely seated.
3.3. Electrical Connection:
- WARNING: Ensure the main power supply is disconnected before making any electrical connections.
- Connect the radiator's electrical wires to the designated terminal block in the wall, following the wiring diagram provided with the product.
- Ensure all connections are tight and secure.
- Once connections are complete, restore power and test the unit.
4. Operating Instructions
This section details how to operate your ALTECH HY20CWT62T radiator and utilize its programmable features.
4.1. Initial Power-On:
- After installation and electrical connection, switch on the main power supply to the radiator.
- The display (if present) should illuminate, indicating the radiator is powered.
4.2. Setting the Temperature:
- Use the '+' and '-' buttons on the control panel to adjust the desired room temperature.
- The radiator will automatically regulate its heating output to maintain the set temperature.
4.3. Programming Modes:
The radiator offers various operating modes, typically including:
- Comfort Mode: Maintains a constant, comfortable temperature.
- Eco Mode: Maintains a slightly lower, energy-saving temperature.
- Frost Protection Mode: Prevents the room temperature from dropping below a critical level (e.g., 7°C).
- Programmable Mode: Allows you to set specific temperatures for different times of the day and days of the week. Refer to the detailed programming section in the full manual for step-by-step instructions on setting up custom schedules.
4.4. Child Lock (if applicable):
Some models include a child lock feature to prevent accidental changes to settings. Consult the full manual for activation and deactivation procedures.
5. Maintenance
Regular maintenance ensures the longevity and efficient operation of your radiator.
5.1. Cleaning:
- WARNING: Always disconnect the radiator from the main power supply and allow it to cool completely before cleaning.
- Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish.
- Ensure no water enters the internal components.
- Dust the air vents regularly to maintain optimal airflow.
5.2. Storage (if applicable):
If the radiator is to be stored for an extended period, ensure it is clean, dry, and stored in a cool, dry place, protected from dust and moisture.
6. Troubleshooting
Before contacting customer support, please refer to the following common issues and their potential solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Radiator does not heat. | No power supply. Thermostat set too low. Child lock activated. | Check circuit breaker/fuse. Increase desired temperature. Deactivate child lock (refer to manual). |
| Radiator makes unusual noises. | Expansion/contraction of materials. Loose mounting. | Minor noises are normal during heating/cooling. Check mounting brackets for tightness. |
| Radiator smells burnt. | Dust accumulation. Foreign object. | Disconnect power, allow to cool, clean thoroughly. Disconnect power, inspect for foreign objects. If smell persists, discontinue use and contact support. |
| Display not working. | No power. Internal fault. | Check power supply. Contact qualified technician. |
If the problem persists after attempting these solutions, please contact a qualified technician or ALTECH customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Model | HY20CWT62T |
| Type | Electric Radiator, Dry Inertia (Cast Iron + Film) |
| Power Output | 2000W |
| Dimensions (H x W) | 600mm x 790mm |
| Color | White |
| Programmable | Yes |
| Manufacturer | ALTERNA (ALTECH) |
8. Warranty and Support
For warranty information, please refer to the warranty card included with your product or contact your retailer. ALTECH provides customer support for technical assistance and spare parts inquiries.
Please have your model number (HY20CWT62T) and purchase date available when contacting support.
Contact Information: Refer to the official ALTECH website or your purchase documentation for the most up-to-date contact details.