stiebel eltron tempra 24 plus manual

The Stiebel Eltron Tempra 24 Plus is an innovative, energy-efficient tankless water heater offering cutting-edge technology for consistent hot water supply. Designed by a company with over 90 years of expertise, it provides reliable performance, advanced temperature control, and significant energy savings, making it a top choice for modern homes.

1.1 Overview of the Product

The Stiebel Eltron Tempra 24 Plus is a 24kW electric tankless water heater designed for whole-house use, offering 99.9% efficiency. It features Advanced Flow Control, which automatically adjusts water flow to maintain consistent temperatures. Compact and wall-mountable, it provides endless hot water with minimal energy loss. Its digital display and microprocessor ensure precise temperature control, making it ideal for modern households seeking reliable, energy-efficient solutions.

1.2 History and Reputation of Stiebel Eltron

Stiebel Eltron, founded in 1924, is a pioneer in electric tankless water heating technology. With over 90 years of innovation, the company has built a reputation as a global leader in energy-efficient solutions. Known for high-quality German engineering, Stiebel Eltron has consistently delivered reliable, cutting-edge products, earning widespread trust and acclaim in the industry and among consumers worldwide.

Key Features and Benefits

The Stiebel Eltron Tempra 24 Plus offers advanced flow control, energy efficiency, and a compact design, providing consistent hot water with innovative German engineering and technology.

2.1 Advanced Flow Control Technology

The Stiebel Eltron Tempra 24 Plus features German-engineered Advanced Flow Control, automatically reducing water flow to maintain consistent temperatures during high demand. This innovative technology ensures stable comfort by adjusting output to prevent temperature fluctuations, providing endless hot water while optimizing energy use. It’s a standout feature that enhances performance and user satisfaction in various household conditions.

2.2 Energy Efficiency and Cost Savings

The Tempra 24 Plus operates at 99.9% efficiency, minimizing energy waste through advanced technology. It eliminates standby heat loss and venting losses, unlike traditional tank or gas heaters. This model can reduce water heating costs by up to 34%, offering significant savings over time. Its energy-saving performance makes it an eco-friendly and cost-effective solution for whole-house water heating needs.

2.3 Compact Design and Space-Saving

The Tempra 24 Plus features a sleek, compact design that saves valuable space in your home. Wall-mountable and measuring just 14.5″ x 8.5″, it fits seamlessly into any room. Its tankless construction eliminates the need for bulky storage tanks, offering a modern and efficient solution for whole-house water heating. This space-saving design makes it ideal for homes of all sizes.

Technical Specifications

The Stiebel Eltron Tempra 24 Plus operates at 24kW, 240V/208V, with 99.9% efficiency. It offers a temperature range of 68°F to 140°F and requires a 150A service.

3.1 Power and Voltage Requirements

The Stiebel Eltron Tempra 24 Plus requires 24kW of power and operates at 240V or 208V. It demands a minimum of 150A total electrical service, with two dedicated 50A double-pole circuit breakers and 8-gauge copper wiring for installation. This setup ensures optimal performance and meets safety standards for reliable operation. Proper wiring is essential to handle the high power demand efficiently.

3.2 Water Temperature Range and Flow Rate

The Stiebel Eltron Tempra 24 Plus delivers water temperatures between 68°F and 140°F, catering to various household needs. It provides a flow rate of 4 gallons per minute with a 42°F temperature rise. Advanced Flow Control automatically reduces flow to 3.3 GPM if demand exceeds capacity, ensuring consistent temperature and comfort without fluctuations. This feature optimizes performance across different water usage scenarios.

3.4 Electrical Service and Circuit Requirements

The Stiebel Eltron Tempra 24 Plus requires a minimum of 150 Amp total electrical service to the residence. It needs two separate dedicated 50 Amp double-pole breakers and two runs of 8-gauge copper wiring. The unit operates at 240V or 208V, ensuring compatibility with standard electrical systems. Proper installation of these components is essential for safe and efficient operation.

Installation and Wiring Instructions

The Tempra 24 Plus requires a dedicated 50 Amp double-pole breaker and 8-gauge wiring for each unit. Installation must be done by a licensed electrician.

4.1 Required Electrical Service and Circuit Breakers

The Tempra 24 Plus requires a minimum of 150 Amp total electrical service. It needs two dedicated 50 Amp double-pole breakers and 8-gauge copper wiring. The unit must be installed on a grounded circuit to ensure safety and proper function. Always comply with local electrical codes and ensure installation is performed by a licensed electrician for optimal performance and safety.

4.2 Step-by-Step Installation Process

Install dedicated 50 Amp double-pole breakers and 8-gauge copper wiring.
Mount the unit vertically on a wall, ensuring proper ventilation.
Connect the wiring to the unit, following the manual’s diagram.
Ensure all connections are secure and grounded for safety.
Test the system by running water through the taps to confirm proper function.

Operation and Temperature Control

The Tempra 24 Plus features a microprocessor-controlled system with a digital display for precise temperature adjustment. Advanced Flow Control ensures consistent water temperature, even during high demand.

5.1 Digital Temperature Display and Controls

The Tempra 24 Plus features a user-friendly digital display showing the outlet temperature in real-time. Controls include a simple dial and buttons for adjusting settings. The microprocessor ensures precise temperature regulation, maintaining consistency even with varying water flow. This system allows for easy adjustments, providing a seamless user experience while ensuring optimal performance and energy efficiency.

5.2 Adjusting and Maintaining Temperature Settings

The Tempra 24 Plus allows precise temperature adjustments using a dial and digital controls. The microprocessor ensures stable output, adapting to flow rate changes. Users can set temperatures between 68°F and 140°F. Regular checks and adjustments are recommended to maintain optimal performance and efficiency. This feature ensures consistent hot water delivery tailored to household needs.

Troubleshooting Common Issues

The Stiebel Eltron Tempra 24 Plus may experience issues like low water temperature or reduced flow. This section guides diagnosing and resolving common problems effectively.

6.1 Diagnosing Low Water Temperature

Diagnosing low water temperature in the Stiebel Eltron Tempra 24 Plus involves checking the unit’s microprocessor control and Advanced Flow Control. Ensure the temperature setting is correct and verify the inlet water temperature. If issues persist, inspect electrical connections and ensure proper sizing for your household’s demand. The unit may reduce flow to maintain temperature, indicating a potential mismatch in capacity.

6.2 Addressing Flow Reduction and Advanced Flow Control

If the Tempra 24 Plus reduces flow, it may indicate high demand or cool inlet water. Check the temperature setting and ensure proper sizing for your household. The Advanced Flow Control feature automatically adjusts flow to maintain consistent temperature, a key benefit that prevents sudden drops. This technology ensures comfort while optimizing efficiency, making it ideal for varying usage patterns.

Energy Efficiency and Cost Savings

The Tempra 24 Plus operates at 99.9% efficiency, eliminating standby heat loss. This design reduces energy consumption significantly, offering up to 34% savings on water heating costs annually.

7.1 How the Tempra 24 Plus Reduces Energy Consumption

The Tempra 24 Plus achieves high energy efficiency through its advanced microprocessor-controlled technology, which ensures precise temperature regulation without excess energy use. By eliminating standby heat loss and operating only when hot water is needed, it minimizes energy waste. Additionally, its 99.9% efficiency rating and lack of required venting further enhance its energy-saving performance compared to traditional systems.

7.2 Expected Savings on Water Heating Costs

The Tempra 24 Plus typically reduces water heating costs by up to 34% compared to traditional tank-style heaters. Its 99.9% efficiency and elimination of standby heat loss ensure significant savings. By operating only when hot water is needed and avoiding energy-wasting venting, it provides long-term financial benefits for homeowners, making it a cost-effective choice for modern households.

Maintenance and Care Tips

Regular maintenance is essential for optimal performance. Clean filters, check temperature settings, and descale the unit annually to ensure efficiency and longevity of the heater.

8.1 Regular Maintenance for Optimal Performance

Regular maintenance ensures the Tempra 24 Plus operates efficiently. Check and clean inlet filters monthly to prevent debris buildup. Inspect electrical connections for tightness and signs of wear. Ensure proper water flow rates and temperature settings are maintained. Descale the unit annually if water hardness is high to prevent mineral buildup. Regular checks help maintain performance and extend the heater’s lifespan.

8.2 Cleaning and Descaling the Unit

Cleaning and descaling are essential for maintaining the Tempra 24 Plus’s efficiency. Use a vinegar-based solution to remove mineral deposits annually, especially in hard water areas. Disconnect the unit, circulate the solution through the system, and rinse thoroughly. Regular descaling prevents reduced flow rates and ensures consistent performance. Always follow the manufacturer’s instructions for safe and effective maintenance.

Comparison with Other Models

The Tempra 24 Plus excels among electric tankless water heaters due to its 24kW power, 99.9% efficiency, and Advanced Flow Control. It suits various household sizes, making it a top choice for consistent hot water needs.

9.1 Tempra 24 vs. Tempra 24 Plus

The Tempra 24 Plus differs from the standard Tempra 24 by featuring Advanced Flow Control, which automatically adjusts water flow to maintain consistent temperatures during high demand. Both models offer 24kW power and 240V operation, but the Plus version includes enhanced technology for better performance in larger households or cooler climates, ensuring a more stable water temperature.

9.2 Suitability for Different Household Sizes

The Tempra 24 Plus is ideal for households requiring consistent hot water across multiple bathrooms. In warm climates, it supports up to two bathrooms, while in cooler climates, it suits one to two bathrooms. Its advanced technology ensures efficient performance regardless of household size, making it a versatile choice for various residential needs;

The Stiebel Eltron Tempra 24 Plus is a highly efficient, advanced tankless water heater offering reliable performance, energy savings, and consistent hot water delivery for modern homes.

10.1 Summary of Key Points

The Stiebel Eltron Tempra 24 Plus is a highly efficient, 24kW electric tankless water heater with advanced features like microprocessor-controlled temperature regulation and a digital display. It offers 99.9% efficiency, zero standby heat loss, and a compact design. Ideal for whole-house use, it provides consistent hot water with minimal energy consumption. Its German engineering ensures reliability and long-term savings, making it a top choice for modern households seeking energy efficiency and performance.

10.2 Final Recommendation for Potential Buyers

The Stiebel Eltron Tempra 24 Plus is an excellent choice for homeowners seeking a reliable, energy-efficient, and high-performance tankless water heater. Its advanced features, consistent temperature control, and significant cost savings make it a valuable investment. While the initial cost may be higher, its long-term efficiency and durability justify the expenditure, making it a smart upgrade for modern homes.