Stiebel Eltron CWM 1500 U Wall Convector Heater Instruction Manual

1. Introduction

Thank you for choosing the Stiebel Eltron CWM 1500 U Wall Convector Heater. This appliance is designed to provide efficient and comfortable supplementary or temporary heating for your indoor spaces. Its slim design and advanced features ensure optimal performance and user convenience. Please read this instruction manual thoroughly before installation, operation, or maintenance to ensure safe and correct use of the appliance.

2. Important Safety Instructions

Failure to follow these safety instructions may result in electric shock, fire, or personal injury. Keep this manual for future reference.

• Electrical Safety: Ensure the power supply matches the voltage specified on the heater's rating label. Do not operate the heater with a damaged cord or plug. Do not immerse the heater in water or other liquids.
• Placement: Install the heater on a wall, away from flammable materials, curtains, and furniture. Maintain adequate clearance around the heater for proper air circulation. Do not cover the heater.
• 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 Protection: The heater is equipped with an overheating protection system. If it overheats, it will automatically shut off. Unplug the heater and allow it to cool before restarting.
• Maintenance: Disconnect the power supply before cleaning or performing any maintenance. Only qualified personnel should perform repairs.

3. Product Overview and Components

The Stiebel Eltron CWM 1500 U is a sleek and efficient wall-mounted convector heater. Familiarize yourself with its main features and components.

Figure 1: Angled view of the Stiebel Eltron CWM 1500 U Wall Convector Heater. This image shows the overall slim profile and the top air vents of the white heater.

Figure 2: Front view of the Stiebel Eltron CWM 1500 U Wall Convector Heater. This image highlights the minimalist design and the horizontal air vents at the top.

Figure 3: Side view of the Stiebel Eltron CWM 1500 U Wall Convector Heater, showing the integrated power switch and the electrical cable connection point. The slim depth of the unit is visible.

Figure 4: Close-up of the control panel on the Stiebel Eltron CWM 1500 U. It features an LCD display showing "20.0°" and various function icons, along with control buttons for adjustment and power.

Figure 5: The Stiebel Eltron CWM 1500 U Wall Convector Heater mounted on a wall in a modern room setting, demonstrating its discreet integration into the living space.

Key Features:

• Uniform and silent ambient air heating.
• 1500 W heating power.
• Durable metallic casing and slim design (10 cm depth).
• User-friendly controls with a backlit LCD screen.
• Integrated 7-day timer for programmable heating schedules.
• Frost protection function to prevent freezing.
• Open window detection for energy efficiency.

4. Installation

The Stiebel Eltron CWM 1500 U is designed for wall mounting. Professional installation is recommended to ensure safety and optimal performance.

4.1 Mounting Location:

• Choose a flat, vertical wall surface.
• Ensure sufficient clearance from floors, ceilings, and adjacent walls (refer to manufacturer's specific clearance guidelines in the full manual).
• Avoid locations directly below electrical outlets or near water sources.
• Do not install in areas where curtains or other flammable materials could obstruct airflow.

4.2 Wall Mounting Steps (General):

1. Prepare the Wall: Mark the drilling points on the wall according to the mounting bracket dimensions (mounting bracket not shown, typically included with the heater).
2. Drill Holes: Drill holes at the marked points and insert appropriate wall plugs.
3. Attach Bracket: Secure the mounting bracket to the wall using screws.
4. Mount Heater: Carefully lift the heater and hook it onto the mounting bracket. Ensure it is securely seated.

4.3 Electrical Connection:

• The heater operates on 230 Volts (AC).
• Connect the heater to a suitable electrical outlet. Ensure the circuit can handle the 1500 W power consumption.
• If hardwiring, ensure all connections are made by a qualified electrician in accordance with local electrical codes.

5. Operating Instructions

The CWM 1500 U features intuitive controls for easy temperature management and programming.

5.1 Powering On/Off:

• Locate the main power switch on the side of the unit (refer to Figure 3).
• Flip the switch to the 'I' position to power on the heater. The LCD display will illuminate.
• Flip the switch to the 'O' position to power off the heater.

5.2 Setting the Temperature:

• Use the '+' and '-' buttons on the control panel (refer to Figure 4) to adjust the desired room temperature.
• The current set temperature will be displayed on the LCD screen.

5.3 7-Day Timer Function:

The integrated 7-day timer allows you to program specific heating schedules for each day of the week.

• Press the 'Mode' button (often represented by a clock or calendar icon) to enter the timer programming mode.
• Follow the on-screen prompts and use the '+' and '-' buttons to set the desired time and temperature for different periods of the day and week.
• Consult the detailed programming instructions in the full manufacturer's manual for advanced timer settings.

5.4 Frost Protection:

When activated, the frost protection function maintains a minimum room temperature (typically around 5-7°C) to prevent freezing, even when the heater is not actively heating to a higher set point.

• This mode is usually accessible via the 'Mode' button or a dedicated frost icon on the control panel.

5.5 Open Window Detection:

The heater can detect a sudden drop in temperature, indicating an open window or door. In such cases, it temporarily reduces its heating output to save energy.

• The heater will resume normal operation once the temperature stabilizes or the window/door is closed.

6. Maintenance and Care

Regular cleaning and proper care will ensure the longevity and efficient operation of your Stiebel Eltron CWM 1500 U heater.

6.1 Cleaning:

1. Disconnect Power: Always unplug the heater from the power outlet or switch off the main power supply before cleaning.
2. Exterior 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.
3. Air Vents: Periodically vacuum the air intake and outlet vents to remove dust and debris. Ensure vents are clear for optimal airflow.
4. Drying: Ensure the heater is completely dry before reconnecting it to the power supply.

6.2 Storage:

If storing the heater for an extended period, ensure it is clean and dry. Store it in a cool, dry place, preferably in its original packaging, to protect it from dust and damage.

7. Troubleshooting Guide

Before contacting customer support, please refer to the following common issues and their solutions.

If the problem persists after attempting these solutions, please contact Stiebel Eltron customer support.

8. Technical Specifications

9. Warranty Information

Specific warranty details for the Stiebel Eltron CWM 1500 U heater are provided with the product at the time of purchase. Please refer to the warranty card or documentation included in your product packaging for terms, conditions, and duration of the warranty.

For warranty claims or inquiries, please retain your proof of purchase and contact Stiebel Eltron customer support or your authorized dealer.

10. Customer Support

If you have any questions, require technical assistance, or need to report an issue with your Stiebel Eltron CWM 1500 U Wall Convector Heater, please contact Stiebel Eltron customer service.

• Website: Visit the official Stiebel Eltron website for support resources, FAQs, and contact information.
• Contact Information: Refer to the contact details provided in your product packaging or on the official website for phone numbers or email support.

Please have your model number (CWM 1500 U) and serial number (if applicable) ready when contacting support.