GASTROBACK #42440 Design Tea and Automatic Kettle Advanced Plus User Manual

1. Important Safety Instructions

Please read these safety instructions carefully before using the appliance. Incorrect use can lead to hazards.

• Always place the appliance on a stable, flat, heat-resistant surface, away from the edge of the countertop.
• Do not immerse the power base, cord, or plug in water or any other liquid.
• Ensure the voltage indicated on the appliance corresponds to your local mains voltage before connecting.
• Do not operate the appliance if the power cord, plug, or the appliance itself is damaged. Contact qualified service personnel for repair.
• Keep the appliance and its cord out of reach of children.
• Avoid contact with hot surfaces. Use handles and knobs. Steam released during operation is hot.
• Do not fill the kettle above the maximum fill line or below the minimum fill line to prevent boiling dry or overflow.
• Unplug from the outlet when not in use and before cleaning. Allow to cool before putting on or taking off parts, and before cleaning the appliance.
• This appliance is for household use only. Do not use outdoors.

2. Product Overview

The GASTROBACK #42440 is a versatile 2-in-1 appliance functioning as both an automatic tea maker and a kettle. It features precise temperature control and programmable settings for various tea types.

Figure 2.1: Front view of the GASTROBACK #42440 Tea and Automatic Kettle. The appliance features a clear glass carafe, a stainless steel base with control buttons, and a visible tea filter basket inside.

Components:

• Glass Kettle (1.5 L capacity): For water and tea brewing.
• Stainless Steel Tea Filter: For loose leaf tea.
• Lid: With integrated tea filter mechanism.
• Power Base: Contains heating element and control panel.
• Control Panel: Backlit LCD display and various function buttons.

Figure 2.2: Exploded view showing the separate components of the kettle: the glass carafe, the lid, and the tea filter assembly.

Control Panel Functions:

Figure 2.3: Detailed view of the control panel with an LCD display showing "75°C 3:00m GREEN" and buttons for AUTO START, AUTO STEEP, TEMP/TIME, FAV./CUS., WATER, TEA, +, -, and KEEP WARM.

• LCD Display: Shows current temperature, brewing time, and selected tea program.
• AUTO START: Activates the 24-hour timer for delayed brewing.
• AUTO STEEP: Initiates automatic tea brewing.
• TEMP/TIME: Adjusts water temperature or brewing time.
• FAV./CUS.: Selects favorite or custom tea programs.
• WATER: For boiling water only.
• TEA: For tea brewing functions.
• +/- Buttons: Adjusts values (temperature, time).
• KEEP WARM: Activates the keep warm function.

3. Setup and First Use

3.1 Unpacking

1. Carefully remove all packaging materials.
2. Check that all components are present and undamaged.

3.2 Initial Cleaning

Before first use, clean the kettle and tea filter:

1. Wash the glass kettle, lid, and stainless steel tea filter with warm soapy water. Rinse thoroughly.
2. Wipe the power base with a damp cloth. Do not immerse the base in water.
3. Perform a trial run by filling the kettle with water to the MAX line and boiling it. Discard the water. Repeat this process 2-3 times to remove any manufacturing residues.

3.3 Assembly

1. Place the power base on a dry, stable, and heat-resistant surface.
2. Ensure the tea filter is correctly assembled and inserted into the lid.
3. Place the lid with the tea filter onto the glass kettle.
4. Place the assembled kettle onto the power base.

Figure 3.1: Exploded view illustrating the components of the stainless steel tea filter and its assembly within the lid.

4. Operating Instructions

4.1 Boiling Water

1. Fill the glass kettle with the desired amount of fresh water (between MIN and MAX marks).
2. Place the kettle on the power base.
3. Press the WATER button. The appliance will heat the water to 100°C.
4. Once boiling is complete, the appliance will beep and switch off automatically.

4.2 Preparing Tea

1. Fill the glass kettle with fresh water to the desired level.
2. Open the lid and add your preferred loose leaf tea into the stainless steel tea filter. Close the lid securely.
3. Place the kettle on the power base.
4. Press the TEA button. The default tea program (e.g., Green Tea) will be displayed.
5. Use the TEA button repeatedly to cycle through the 5 pre-set tea programs:
   • Green Tea
   • Black Tea
   • Oolong Tea
   • White Tea
   • Herbal Tea
6. To adjust temperature or brewing time for the selected program, press the TEMP/TIME button, then use the + or - buttons.
   • Temperature is adjustable from 50°C to 100°C in 5°C increments.
   • Brewing time is adjustable according to tea type.
7. Press AUTO STEEP to begin the brewing process. The tea filter will automatically lower into the hot water.
8. Once brewing is complete, the tea filter will automatically raise, and the appliance will beep.

Figure 4.1: The GASTROBACK #42440 in operation, with the tea filter submerged in water, actively brewing tea.

4.3 Custom and Favorite Programs

The appliance allows for 4 individually programmable tea settings:

1. Select a tea program using the TEA button.
2. Adjust the desired temperature and brewing time using the TEMP/TIME and +/- buttons.
3. Press and hold the FAV./CUS. button to save the current settings as a custom program.
4. To recall a custom program, press the FAV./CUS. button repeatedly until your desired program is displayed.

4.4 Keep Warm Function

After brewing, the appliance can keep your tea warm:

• Press the KEEP WARM button after brewing is complete.
• The keep warm time is adjustable (15, 30, 45, or 60 minutes). Use the +/- buttons to select the duration.

4.5 24-Hour Timer (Delayed Start)

To program the appliance to start brewing at a later time:

1. Prepare the kettle with water and tea as described in section 4.2.
2. Select your desired tea program, temperature, and brewing time.
3. Press the AUTO START button.
4. Use the +/- buttons to set the desired delay time (up to 24 hours).
5. Confirm the setting. The appliance will start brewing automatically after the set delay.

5. Maintenance and Cleaning

Regular cleaning ensures optimal performance and extends the lifespan of your appliance.

5.1 Daily Cleaning

1. Always unplug the appliance and allow it to cool completely before cleaning.
2. Remove the glass kettle from the power base.
3. Disassemble the lid and tea filter. Wash the glass kettle, lid, and stainless steel tea filter with warm soapy water. Use a soft brush if necessary to clean the tea filter mesh.
4. Rinse all parts thoroughly with clean water and dry completely.
5. Wipe the exterior of the power base with a soft, damp cloth. Do not use abrasive cleaners or immerse the base in water.

5.2 Descaling

Mineral deposits (limescale) can build up over time, affecting performance. Descale regularly, especially in hard water areas.

1. Fill the kettle with a mixture of water and white vinegar (e.g., 1 part vinegar to 2 parts water) or a commercial descaling solution according to product instructions.
2. Heat the solution to boiling point using the WATER function.
3. Allow the solution to soak for 15-30 minutes (or as recommended by the descaling product).
4. Pour out the solution and rinse the kettle thoroughly several times with fresh water.
5. Perform a trial boil with fresh water and discard to ensure all descaling residue is removed.

6. Troubleshooting

Before contacting customer service, please refer to the following troubleshooting guide:

7. Technical Specifications

8. Warranty and Customer Support

GASTROBACK products are manufactured with quality and care. This product comes with a standard manufacturer's warranty against defects in materials and workmanship.

• For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official GASTROBACK website.
• For technical assistance, troubleshooting beyond this manual, or to inquire about spare parts, please contact GASTROBACK customer support. Contact details can typically be found on the manufacturer's website or on the product packaging.