1. Introduction and Overview
The ADAX VP12 H is a modern electric wall convector heater designed for efficient and comfortable heating. This appliance features a programmable electronic thermostat and complies with EcoDesign directives, ensuring energy-efficient operation. Its Scandinavian design is robust, suitable for various indoor environments, and offers a slim profile with a depth of only 87 mm.
Key features include:
- Electronic Thermostat: Maintains temperature with a precision of ±0.3 °C.
- Programmable Timer: 7-day, 24-hour timer for customized heating schedules.
- Open Window Detection: Automatically pauses heating if a sudden temperature drop indicates an open window.
- Adaptive Heating Start: Adjusts start time to reach desired temperature efficiently.
- Overheat Protection: Integrated safety button to prevent overheating.
- Efficient Heating Element: X-shaped aluminum element heats quickly without burning oxygen or dust.

2. Safety Information
Please read all safety instructions carefully before installation and use. Failure to follow these instructions may result in electric shock, fire, or injury.
- Electrical Safety: Ensure the power supply matches the heater's voltage (230 Volts). Do not operate with a damaged cord or plug.
- Placement: Install the heater on a stable, vertical surface, away from flammable materials, curtains, or furniture. Maintain adequate clearance around the heater for proper air circulation.
- Ventilation: Do not cover the heater or block its air vents, as this can lead to overheating.
- Water Exposure: Do not use the heater near water, in bathrooms, or in excessively humid environments.
- Children and Pets: Keep children and pets away from the heater, especially when it is operating, as surfaces can become hot.
- Maintenance: Disconnect the heater from the power supply before cleaning or performing any maintenance.
- Professional Installation: If in doubt about electrical connections, consult a qualified electrician.
3. Package Contents
Upon unpacking, verify that all components are present:
- ADAX VP12 H Convector Heater Unit
- Wall Mounting Brackets
- Power Connection Cable (1.2m with plug)
Note: Floor stands for freestanding use are sold separately and are not included in the standard package.
4. Installation
The ADAX VP12 H heater is designed for wall mounting. Follow these general steps for installation:
- Choose Location: Select a suitable wall location, ensuring it is clear of obstructions and flammable materials. Consider the recommended heated area for optimal performance.
- Mark Drilling Points: Use the provided mounting brackets as a template to mark the drilling points on the wall. Ensure the heater will be level.
- Drill Holes: Drill holes at the marked points and insert appropriate wall plugs (if necessary, depending on wall material).
- Attach Brackets: Securely fasten the mounting brackets to the wall using screws.
- Mount Heater: Carefully hang the heater unit onto the installed wall brackets. Ensure it is securely seated.
- Connect Power: Plug the power cable into a suitable 230V electrical outlet.

5. Operating Instructions
The ADAX VP12 H is equipped with an intuitive electronic thermostat for precise temperature control and energy efficiency.
5.1 Power On/Off
Locate the power switch, typically on the side of the unit. Flip the switch to the 'I' position to turn the heater on, and to the 'O' position to turn it off.

5.2 Temperature Adjustment
The desired temperature is set using the rotary knob on the side of the heater. Turn the knob clockwise to increase the temperature and counter-clockwise to decrease it. The electronic thermostat will maintain the set temperature with high precision.

5.3 Programmable Features
The heater includes advanced programming options for enhanced energy saving and comfort:
- 7-Day/24-Hour Timer: Program specific temperature settings for different times of the day and days of the week. Refer to the detailed programming instructions in the full manual for specific steps.
- Open Window Detection: If the heater detects a sudden drop in room temperature (e.g., when a window is opened), it will temporarily switch off to avoid wasting energy. Heating resumes once the window is closed and the temperature stabilizes.
- Adaptive Heating Start: This feature learns how long it takes to heat your room and automatically adjusts the heating start time to ensure the desired temperature is reached exactly when programmed.
- Overheat Protection: The heater is equipped with a safety mechanism that automatically shuts off the unit if it detects an unsafe operating temperature.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your ADAX VP12 H heater.
- Cleaning: Disconnect the heater from the power supply before cleaning. Use a soft, damp cloth to wipe the exterior surfaces. Do not use abrasive cleaners, solvents, or spray directly onto the unit.
- Dust Removal: Periodically vacuum or gently brush dust from the air intake and outlet grilles to maintain efficient airflow.
- Inspection: Regularly inspect the power cord and plug for any signs of damage. If damage is found, discontinue use and contact qualified service personnel.
7. Troubleshooting
If you encounter issues with your ADAX VP12 H heater, refer to the following common troubleshooting steps:
- Heater Not Turning On:
- Check if the power cable is securely plugged into a working outlet.
- Ensure the power switch on the heater is in the 'I' (on) position.
- Verify that the circuit breaker has not tripped.
- Heater Not Heating:
- Confirm the thermostat is set to a temperature higher than the current room temperature.
- Check if the 'Open Window Detection' feature has activated due to a sudden temperature drop. Close any open windows or doors.
- Ensure the overheat protection has not been triggered. Unplug the heater, wait 15-20 minutes, and plug it back in.
- Unusual Noises or Odors:
- A new heater may emit a slight odor during its first few uses; this is normal and should dissipate.
- If unusual or strong odors/noises persist, immediately turn off and unplug the heater, then contact customer support.
For issues not resolved by these steps, please contact ADAX customer support.
8. Specifications
| Specification | Detail |
|---|---|
| Brand | ADAX |
| Model Name | VP12 H |
| Manufacturer Reference | 610021 |
| Color | White |
| Dimensions (L x W x H) | 35 x 8.7 x 42 cm |
| Weight | 2.8 Kilograms |
| Power | 400 Watts |
| Voltage | 230 Volts |
| Special Features | Rapid heating, Open window detection, Adjustable temperature, Electronic thermostat, Energy efficient |
| Heating Method | Convection |
| Mounting Type | Wall Mount |
| Recommended Use | Office, Home |
8.1 Heating Capacity Table
The following table provides an estimated heated area based on the heater's radiant power and the required wattage per square meter.
| Radiant Power (W) | Heated Area (m²), if demand is up to 50 W/m² | Heated Area (m²), if demand is 50 - 100 W/m² | Heated Area (m²), if demand is over 100 W/m² |
|---|---|---|---|
| 400 | 6 – 10 m² | 5 – 7 m² | 3 – 5 m² |
| 600 | 10 – 14 m² | 8 – 10 m² | 4 – 7 m² |
| 800 | 14 – 20 m² | 12 – 14 m² | 6 – 9 m² |
| 1000 | 18 – 26 m² | 14 – 16 m² | 8 – 12 m² |
| 1200 | 24 – 30 m² | 17 – 20 m² | 10 – 14 m² |
| 1400 | 28 – 35 m² | 21 – 25 m² | 12 – 17 m² |
| 2000 | 32 – 50 m² | 26 – 34 m² | 17 – 24 m² |
| 2500 | 45 – 60 m² | 32 – 40 m² | 22 – 30 m² |
9. Warranty and Support
The ADAX VP12 H electric wall convector heater comes with a 5-year manufacturer's warranty, reflecting its high quality and durability. For warranty claims or technical support, please refer to the contact information provided with your purchase documentation or visit the official ADAX website.