To connect the doorbell transformer to the power supply, proceed as follows:
1. Connect the two terminals of the doorbell transformer to the two fire wires of the mains 220V AC power supply, which can be connected by a junction box.
2. Connect the two terminals of the doorbell transformer to the two terminals of the doorbell button, and the other two terminals of the doorbell button to the zero line of the power supply and the input terminal of the audible terminal.
3. Connect the output terminals of the audible terminal to an external speaker or handset.
4. Test the doorbell system, the audible terminal should sound when the doorbell button is pressed.
Before wiring, you need to know the rated voltage and power of the doorbell transformer and make sure that the power supply to the doorbell button and the audible terminal is connected correctly, otherwise it may lead to damage to the equipment or risk of electric shock. At the same time, the rated power of the doorbell transformer must not be less than the power required by the doorbell system, otherwise it may lead to equipment burnout or not work properly. In addition, the doorbell transformer must be installed in a dry and ventilated place to avoid moisture and overheating.
The above information is for reference only, if you still have questions, it is recommended to consult a professional.
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