Buderus WPT 270/2 I-S Heat Pump Water Heater Instruction Manual

1. Veiligheidsinligting

Belangrik: Read all instructions carefully before installation, operation, or maintenance of the Buderus WPT 270/2 I-S Heat Pump Water Heater. Failure to follow these instructions could result in property damage, personal injury, or death.

• Installasie en diens moet deur 'n gekwalifiseerde tegnikus uitgevoer word.
• Maak seker dat die eenheid behoorlik geaard is om elektriese skok te voorkom.
• Moenie die eenheid gebruik as enige onderdeel beskadig of wanfunksioneer nie.
• Hou vlambare materiaal weg van die waterverwarmer.
• Verseker voldoende ventilasie rondom die eenheid.
• The appliance must be installed in a frost-free environment.
• Maximum operating temperature for stored hot water is 80 °C. Maximum operating temperature for heated water is 110 °C.
• Maximum operating pressure for stored hot water side is 10 bar. Maximum operating pressure for heated water side is 6 bar.

2. Produk verbyview

The Buderus Logafix WPT 270/2 I-S is a highly efficient heat pump water heater designed to utilize up to 70% free environmental energy from ambient air and appliance waste heat for water heating. This unit offers flexible installation options and advanced features for domestic hot water supply.

Figure 1: Buderus WPT 270/2 I-S Heat Pump Water Heater. This image shows the cylindrical white unit with control panel and various connections.

Sleutel kenmerke:

• Efficient hot water generation using ambient air.
• Flexible installation: standalone or integrated with central heating/solar systems.
• Removable heat pump section for easier installation.
• Advanced control with illuminated display and multiple time programs.
• Additional functions: basement dehumidification, ventilation, and air cooling.
• Corrosion-resistant Buderus thermoglaze Duoclean plus and magnesium anode.
• High energy efficiency (95%) and COP (3.2 according to EN16147).

3. Opstelling en Installasie

Proper installation is crucial for the safe and efficient operation of your Buderus WPT 270/2 I-S. This section provides general guidelines; always refer to local regulations and consult a qualified installer.

3.1 Terreinkeuse

• Ligging: The unit should be installed in a frost-free basement or utility room.
• Omringende lugtemperatuur: The temperature of the intake air must be between +5 °C and +35 °C.
• Ventilasie: Ensure adequate air circulation for optimal heat pump performance.
• Spasie: Allow sufficient space around the unit for maintenance and service.

3.2 Elektriese aansluiting

• The unit requires a 230 V/50 Hz electrical connection.
• The electric heating element is 2 kW.
• All electrical work must comply with local codes and be performed by a certified electrician.

3.3 Wateraansluitings

• Connect the cold water inlet and hot water outlet according to the markings on the unit.
• Maak seker dat alle verbindings waterdig is.
• The unit includes a smooth tube heat exchanger for optional connection to a solar system or boiler.

3.4 Air Duct System (Optional)

• The WPT 270/2 I-S can be connected to an air duct system.
• It features two DN160 supports for optional duct system connection.
• This allows for additional functions such as basement dehumidification, ventilation, and air cooling.

3.5 Aanvanklike opstart

• After all connections are made and checked, fill the water tank completely before switching on the power.
• Follow the on-screen prompts on the control panel for initial configuration.

4. Bedryfsinstruksies

The Buderus WPT 270/2 I-S features an intuitive control panel with an illuminated display for easy operation.

4.1 Beheerpaneel

The illuminated display provides information on current status, temperature settings, and operational modes. Use the navigation buttons to access menus and adjust settings.

4.2 Temperatuurinstellings

• Hittepomp werking: Hot water temperature can be set up to 60 °C using the heat pump.
• Elektriese verwarmingselement: For higher temperatures, the integrated electric heating element can raise the water temperature up to 70 °C.
• Adjust the desired temperature via the control panel settings.

4.3 Time Programs

• The unit supports multiple time programs, allowing you to schedule hot water production to match your daily routine and optimize energy consumption.
• Refer to the control panel menu for setting up and managing time programs.

4.4 Thermal Disinfection

The WPT 270/2 I-S includes a thermal disinfection function to prevent bacterial growth (e.g., Legionella). This function periodically heats the water to a high temperature. Consult the manual for activation and scheduling of this feature.

4.5 Additional Functions (with Air Duct System)

If connected to an air duct system, the unit can provide:

• Basement Dehumidification: Helps reduce humidity levels in the basement.
• Ventilasiefunksie: Improves air circulation.
• Lugverkoeling: Provides a degree of air cooling in the connected space.

5. Onderhoud

Regular maintenance ensures the longevity and efficient operation of your Buderus WPT 270/2 I-S. Always disconnect power before performing any maintenance.

5.1 Korrosiebeskerming

• The internal surfaces in contact with hot water are protected with Buderus thermoglaze Duoclean plus, which is corrosion-resistant according to DIN 4753-3.
• A magnesium anode provides additional cathodic corrosion protection. This anode should be inspected periodically (e.g., annually) by a qualified technician and replaced if significantly depleted.

5.2 Algemene Skoonmaak en Inspeksie

• Keep the exterior of the unit clean. Use a soft, damp lap. Moenie skuur skoonmaakmiddels gebruik nie.
• Periodically check for any leaks around connections.
• Ensure that the air intake and exhaust vents (if applicable) are free from obstructions.
• It is recommended to have the unit professionally inspected and serviced annually.

6. Probleemoplossing

This section provides basic troubleshooting steps for common issues. For more complex problems, contact a qualified service technician.

6.1 No Hot Water / Insufficient Hot Water

• Gaan kragtoevoer na: Maak seker dat die eenheid ingeprop is en dat die stroombreker nie afgeskakel het nie.
• Gaan temperatuurinstellings na: Verify the desired temperature is set correctly on the control panel.
• Time Programs: Ensure no time program is preventing hot water production.
• Lugvloei: Check if the air intake or exhaust is blocked.
• Foutkodes: Look for any error messages on the display and consult the full manual for their meaning.

6.2 Ongewone geluide

• Minor operational noises are normal.
• If you hear loud or unusual noises, turn off the unit and contact a service technician.

6.3 Lekkasies

• Immediately turn off the water supply and power to the unit.
• Identify the source of the leak.
• Contact a qualified plumber or service technician.

7. Spesifikasies

8. Waarborg en ondersteuning

For detailed warranty information, please refer to the warranty card included with your product or visit the official Buderus website. In case of technical issues, service requests, or questions not covered in this manual, please contact Buderus customer support or your authorized dealer.

Vervaardiger: Buderus

Webwebwerf: www.buderus.com (of relevante streek webwerf)