Stiebel Eltron Tempra 24 Plus Manual: A Comprehensive Guide
This manual provides essential safety information and operating instructions for Stiebel Eltron wall convector heaters, ensuring optimal performance and longevity of your Tempra 24 Plus.
The Stiebel Eltron Tempra 24 Plus is an advanced tankless electric water heater designed for on-demand hot water supply. This unit delivers consistent temperatures, eliminating standby heat loss associated with traditional tank water heaters. It’s a powerful and efficient solution for residential and light commercial applications, offering a reliable source of hot water for showers, sinks, and appliances.
This manual serves as a comprehensive guide to understanding, installing, operating, and maintaining your Tempra 24 Plus. It details crucial safety precautions, technical specifications, and step-by-step instructions. Proper installation and adherence to these guidelines are vital for safe and effective operation. The Tempra 24 Plus boasts features like precise temperature control and electronic monitoring, enhancing user convenience and system performance. Refer to www.stiebel-eltron.com for additional resources.
Safety Precautions
WARNING: Electrical shock hazard! Installation and maintenance must be performed by a qualified electrician, adhering to all local and national electrical codes. Disconnect power before any servicing. Never operate the unit if it shows signs of damage. Ensure proper grounding to prevent electrical hazards.
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 supervised. Always follow the instructions carefully. Do not attempt to modify the unit. Avoid water ingress into electrical components. Refer to the manual for specific warnings regarding descaling procedures to prevent damage. Improper use can lead to injury or property damage. See www.stiebel-eltron.com for details.
Technical Specifications
The Stiebel Eltron Tempra 24 Plus is engineered for efficient and reliable electric water heating. Key specifications include a power rating suitable for various applications, and a compact design for flexible installation. The unit features precise temperature control, ensuring consistent hot water delivery. It’s designed for continuous flow, eliminating the need for a storage tank.
Specific details regarding power requirements and water pressure are crucial for optimal performance. Refer to the detailed electrical diagram for wiring information. The unit complies with relevant safety and performance certifications. Explore www.stiebel-eltron.com for comprehensive technical data, including dimensions and component specifications.
Power Requirements
The Stiebel Eltron Tempra 24 Plus demands specific electrical configurations for safe and efficient operation. Typically, this unit requires a dedicated circuit with appropriate amperage, often ranging from 20 to 30 amps, depending on the voltage (240V is standard). Consult the electrical diagram within this manual for precise wiring instructions and breaker size recommendations.
Incorrect wiring or insufficient power supply can lead to malfunction or safety hazards. Always adhere to local electrical codes and regulations during installation. Ensure the electrical supply is stable and grounded correctly. Refer to www.stiebel-eltron.com for detailed power consumption data.
Water Pressure Requirements
Optimal performance of the Stiebel Eltron Tempra 24 Plus relies on consistent water pressure within a specified range. Generally, the unit functions best with incoming water pressure between 30 and 80 PSI. Pressures outside this range may affect heating efficiency or trigger error codes.
Low water pressure can result in reduced hot water flow, while excessively high pressure could damage internal components. A pressure reducing valve may be necessary if your water supply exceeds 80 PSI. Refer to the installation guide for detailed instructions on checking and adjusting water pressure. Always ensure water connections are secure to prevent leaks.
Installation Guide
Proper installation of your Stiebel Eltron Tempra 24 Plus is crucial for safe and efficient operation. This guide outlines the necessary steps, but professional installation is highly recommended. Begin by carefully unpacking the unit and verifying all components are present.
Ensure the chosen mounting location meets the specified clearances and can support the unit’s weight. Follow the mounting instructions precisely, using appropriate hardware. Securely connect the water lines, adhering to local plumbing codes. Electrical connections must be performed by a qualified electrician, following all safety regulations.
Mounting the Unit
Securely mounting the Stiebel Eltron Tempra 24 Plus is paramount for stable operation and longevity. Select a location that adheres to specified clearances, ensuring adequate ventilation and accessibility for maintenance. The wall must be capable of supporting the unit’s weight, utilizing appropriate anchors and fasteners.
Carefully mark the mounting holes, ensuring level alignment. Drill pilot holes before inserting screws to prevent damage to the wall or unit. Confirm the unit is firmly attached and does not wobble. Adhere strictly to the provided mounting template and instructions for optimal results. Improper mounting can void the warranty.
Water Connections
Establishing proper water connections is crucial for the Stiebel Eltron Tempra 24 Plus’s functionality. Before connecting, ensure the water supply is shut off. Utilize appropriate fittings and pipe materials compatible with the unit’s connections, typically ½ inch. Apply Teflon tape to threaded connections to prevent leaks.
Connect the cold water inlet and hot water outlet, observing the designated markings. Flush the lines thoroughly to remove debris before connecting to the unit. Inspect all connections for leaks after restoring water pressure. Ensure compliance with local plumbing codes and regulations. Incorrect connections may cause damage.
Operating Instructions
To operate your Stiebel Eltron Tempra 24 Plus, first verify the unit is correctly installed and water connections are secure. The rotary switch allows for quick temperature adjustments to your desired setting. The unit maintains a consistent temperature within a specified range, typically up to 60°C (140°F).
Ensure adequate water flow for optimal performance. Avoid operating the unit without water flow, as this can lead to overheating. Familiarize yourself with the display panel for temperature readings and error indications. Regular use and adherence to these instructions will maximize the lifespan and efficiency of your Tempra 24 Plus.
Initial Startup
Before the initial startup of your Stiebel Eltron Tempra 24 Plus, double-check all water and electrical connections, ensuring they adhere to safety guidelines. Slowly open the water supply valve to allow water to flow through the unit, purging any air from the lines. Monitor for leaks at all connection points.
Once the unit is filled with water, turn on the electrical power. The display panel should illuminate, indicating the unit is receiving power. Set the desired temperature using the control knob and verify hot water is dispensed. Allow the unit to run for a short period to stabilize before regular use.
Temperature Adjustment
The Stiebel Eltron Tempra 24 Plus features a user-friendly temperature adjustment system. Utilize the rotary switch to quickly set your preferred water temperature. The unit maintains a consistent temperature within a specified range, typically up to 60°C (140°F).
For precise control, observe the temperature display on the control panel while adjusting the switch. Begin with a lower temperature setting and gradually increase it until you achieve your desired comfort level. Avoid setting excessively high temperatures to prevent scalding and conserve energy. Remember to allow a few moments for the unit to respond to adjustments.
Display and Control Panel Explained
The Tempra 24 Plus boasts an intuitive control panel with a clear LCD display. This display provides crucial information, including the current water temperature, selected temperature setting, and any active error codes. The rotary switch is the primary method for temperature adjustment, as previously detailed.
Additional buttons may control features like power on/off or preset temperature modes. Familiarize yourself with the function of each button before operation. The display will illuminate when the unit is powered on, providing real-time feedback on its status. Pay close attention to any error messages displayed, as they indicate potential issues requiring attention.
Error Codes and Troubleshooting
The Tempra 24 Plus utilizes error codes to diagnose potential issues. These codes appear on the LCD display, signaling problems with components or operation. Consult the comprehensive error code list within this manual to identify the specific issue. Common errors may relate to water flow, overheating, or electrical faults.
Troubleshooting often begins with verifying power supply and water connections. If an error persists, attempt a unit reset by switching off the power for several minutes. If the error continues, do not attempt self-repair; contact a qualified technician for assistance. Ignoring error codes can lead to further damage or safety hazards.
Maintenance and Cleaning
Regular maintenance ensures the longevity and efficiency of your Stiebel Eltron Tempra 24 Plus. Periodic cleaning prevents scale buildup and maintains optimal performance. Descaling procedures are crucial, especially in areas with hard water; follow the detailed instructions provided to safely remove mineral deposits.
Filter cleaning is equally important. Locate and remove the inlet filter, rinsing it thoroughly to eliminate sediment and debris. Inspect the filter for damage and replace if necessary. Always disconnect the power supply before performing any maintenance. Avoid abrasive cleaners, opting for mild detergents and soft cloths.
Descaling Procedures
Regular descaling is vital for maintaining the Tempra 24 Plus’s efficiency, particularly in hard water areas. Disconnect the power and water supply before starting. Prepare a descaling solution according to the manufacturer’s instructions – typically citric acid or a specialized descaling agent.
Circulate the solution through the unit; consult the manual for specific procedures, often involving a recirculation pump. Allow sufficient contact time for the solution to dissolve mineral deposits. Thoroughly flush the system with clean water after descaling, ensuring all traces of the solution are removed. Repeat if necessary, and always follow safety guidelines.
Filter Cleaning
Routine filter cleaning prevents debris buildup, safeguarding the Tempra 24 Plus from damage and maintaining optimal water flow. Isolate the power and water supply before disassembly. Locate the filter – typically at the water inlet – and carefully remove it. Rinse the filter under running water, removing sediment and particles.
For stubborn debris, a soft brush can be used. Inspect the filter for damage and replace if necessary. Reinstall the cleaned or new filter, ensuring a secure fit to prevent leaks; Restore the water and power supply, and check for proper operation. Regular cleaning, ideally every 3-6 months, is recommended.
Frequently Asked Questions (FAQ)
Q: Why is my water not hot enough? A: Verify the temperature setting and ensure sufficient incoming water pressure. Descaling may be needed if buildup restricts flow. Q: What does an error code mean? A: Refer to the “Error Codes and Troubleshooting” section for specific code definitions and solutions.
Q: How often should I descale the unit? A: Frequency depends on water hardness; typically every 6-12 months. Q: Can I use this with a well water system? A: Yes, but a sediment filter is highly recommended to protect the unit. Q: Where can I find spare parts? A: Visit the Stiebel Eltron website or contact customer support.
Warranty Information
Stiebel Eltron provides a limited warranty on the Tempra 24 Plus, covering defects in materials and workmanship. The standard warranty period is typically two years from the date of purchase for parts and one year for labor. This warranty is valid only if the unit is installed and used according to the manual’s instructions.
Warranty coverage may be voided by improper installation, misuse, neglect, or unauthorized repairs. Proof of purchase is required for all warranty claims. For detailed warranty terms and conditions, please visit the Stiebel Eltron website or contact their customer support team. Extended warranty options may also be available.
Troubleshooting Common Issues
If you encounter problems with your Stiebel Eltron Tempra 24 Plus, consult this section first. Common issues include no hot water, often due to a tripped breaker or insufficient power. Low water flow can result from clogged filters or low water pressure – check and clean filters regularly. Error codes displayed on the unit indicate specific problems; refer to the ‘Error Codes and Troubleshooting’ section for details.
Before contacting support, verify proper installation and operation according to this manual. If issues persist, do not attempt self-repair; contact a qualified technician or Stiebel Eltron support for assistance.
No Hot Water
If your Stiebel Eltron Tempra 24 Plus isn’t producing hot water, several factors could be at play. First, check the circuit breaker to ensure it hasn’t tripped. Verify sufficient power is reaching the unit, referencing the ‘Power Requirements’ section. Confirm the unit is properly switched on and the desired temperature is set correctly via the control panel.
Low incoming water temperature can also be a cause. Inspect for any potential issues with your cold water supply. If the problem persists, a heating element malfunction might be present, requiring professional diagnosis and repair. Do not attempt to disassemble the unit yourself.
Low Water Flow
Experiencing low water flow with your Stiebel Eltron Tempra 24 Plus can stem from several issues. Begin by inspecting the inlet filter for sediment buildup – refer to the ‘Filter Cleaning’ section for detailed instructions. Check your home’s water pressure; it must meet the ‘Water Pressure Requirements’ outlined in the specifications.
Partially closed valves on the water supply lines can restrict flow. Ensure all valves are fully open. If the issue continues, a blockage within the unit itself might be present. Do not attempt to disassemble the unit; contact a qualified technician for assistance. Reduced flow can also indicate a scaling issue, prompting a descaling procedure.
Spare Parts and Accessories
Genuine Stiebel Eltron spare parts are crucial for maintaining the performance and safety of your Tempra 24 Plus. Replacements, such as inlet filters, heating elements, and seals, are available through authorized Stiebel Eltron distributors or directly via the Stiebel Eltron website (www.stiebel-eltron.com).
Using non-genuine parts may void your warranty and compromise the unit’s functionality. When ordering, always have your model number readily available. Recommended accessories include descaling solutions specifically formulated for tankless water heaters and additional filter cartridges for preventative maintenance. A list of special accessories can be found in the manual.
Electrical Diagram
The Tempra 24 Plus utilizes a 240V electrical supply. Refer to the detailed electrical diagram located within this manual, or on the Stiebel Eltron website (www.stiebel-eltron.com), before attempting any electrical work. This diagram illustrates the wiring configuration, including the grounding connections, power input, and internal component layout.
Caution: Electrical work should only be performed by a qualified and licensed electrician. Incorrect wiring can lead to electrical shock, fire hazard, or damage to the unit. Ensure the power supply is disconnected before any inspection or maintenance. The diagram also shows the input cable introduction point at the top.
Compliance and Certifications
The Stiebel Eltron Tempra 24 Plus is designed and manufactured to meet stringent safety and performance standards. This unit complies with relevant industry regulations, ensuring user safety and environmental responsibility. Certifications include adherence to electrical safety standards, and water heating efficiency guidelines.
Detailed certification information, including specific standard numbers and testing reports, can be found on the Stiebel Eltron website (www.stiebel-eltron.com). These certifications demonstrate our commitment to quality and reliability. The product is designed in accordance with safety instructions and operates at a maximum temperature of 60°C.
Contact Information & Support
For comprehensive support regarding your Stiebel Eltron Tempra 24 Plus, please visit the official Stiebel Eltron website at www.stiebel-eltron.com. The website offers a wealth of resources, including downloadable manuals, frequently asked questions, and troubleshooting guides.
Direct customer support is available through the website’s contact form or by phone. Stiebel Eltron also provides a network of authorized service partners for professional installation and maintenance. Explore the website for detailed information on warranty claims and spare parts availability. Microsoft’s support resources can also offer general assistance with related technologies.
Stiebel Eltron Website Resources
The Stiebel Eltron website (www.stiebel-eltron.com) is a central hub for Tempra 24 Plus owners. You’ll find downloadable versions of the complete user manual in multiple languages, covering installation, operation, and maintenance. Explore detailed technical specifications and diagrams to understand your unit fully.
Access a dedicated FAQ section addressing common issues and troubleshooting steps. Discover information on compatible accessories and spare parts for your model. The site also features contact details for local service partners and customer support. Microsoft’s resources can complement your understanding of connected technologies, while the website provides specific Tempra 24 Plus guidance.