To adjust the temperature on a Junkers TRQ temperature controller, you will need to first press the "SET" button to enter the setting mode. Then, use the arrow buttons to navigate to the desired temperature setting. Once you have reached the desired temperature, press the "SET" button again to confirm and save the new setting. Finally, exit the setting mode by pressing the "SET" button one more time. **

Yes, there are coin-operated vending machines in Flensburg. These machines can be found in various locations such as train stations, shopping centers, and public buildings. They offer a variety of products including snacks, drinks, and even everyday essentials like toiletries and phone chargers. Customers can use coins to make purchases from these vending machines. **

To set the time on the Junkers TRQ 21, you will need to locate the control panel on the front of the unit. Press the "SET" button to enter the time setting mode. Use the "+" and "-" buttons to adjust the hours and minutes to the correct time. Once the time is set, press the "SET" button again to save the changes. The display should now show the updated time. **

There could be several reasons why the Junkers gas boiler and TRQ 21 thermostat are not restarting. It could be due to a malfunction in the boiler's ignition system, a problem with the thermostat's wiring or settings, or a lack of power supply to the boiler. It's also possible that there is an issue with the gas supply or pressure. It's best to consult a qualified technician to diagnose and fix the problem. **

To fill water into the Junkers TRQ 1 of the Bosch Group, you will need to locate the water inlet valve on the unit. Turn off the power supply to the water heater before proceeding. Connect a hose to the water inlet valve and slowly turn on the water supply to allow the tank to fill. Once the tank is filled, you can turn the power supply back on and the water heater should be ready for use. **

Yes, it is possible to exchange the Junkers TRQ 21 for the Siemens REV24, as long as both thermostats are compatible with your heating system. Before making the exchange, it is important to check the specifications and compatibility of the Siemens REV24 with your heating system to ensure a smooth transition. Additionally, it is recommended to consult with a professional HVAC technician to ensure proper installation and functionality of the new thermostat. **

At the first coin-operated vending machine, which was created in the early 1880s by Percival Everett, customers could purchase postcards for their money. The machine was installed in the railway stations and post offices in London, and for a penny, customers could receive a postcard featuring a picture of the surrounding area. This early vending machine was a novelty at the time and provided customers with a convenient way to purchase postcards without the need for human interaction. **

The answer to this question depends on individual preferences and needs. A cashier-operated checkout provides the opportunity for human interaction and personalized service, which some people may prefer. On the other hand, a self-service store offers convenience and efficiency, allowing customers to complete their purchases quickly and without waiting in line. Ultimately, the better option is subjective and varies from person to person. **