Some friends have bought this hot water heater, I don't know how to use it, and there are still many places that don't care. So my friends are very upset, and hey, don't worry, hot. There are some shortcomings of the electric water heater to tell you that you will not know, we understand the shortcomings of this instant electric water heater can know how to use it, every thing has its properties we have to understand.
First, the working principle of the instant electric water heater
1. The tubular electric heating element is bent into a three-dimensional twist-back type and the hot-type electric water heater waterway enters the mold together, and is made of high-quality metal aluminum material as a shell to be die-cast into a flat type or a cylindrical type, which can be closely attached to the heated body, which is a A high-efficiency hot-segment heater with excellent thermal conductivity and aluminum alloy ensures uniform hot surface temperature and eliminates hot and cold spots in the heater.
2. The line control system must use the double-break and double-open control scheme. When the instant electric water heater is started and turned off, the bipolar (hot and neutral) of the power supply should be turned off or on at the same time. Many people mistakenly believe that the zero line is zero potential and there is no voltage. The switch is intrepid. In theory, the three-phase power is 380V, which refers to the voltage between the phase and the phase (that is, one fire line to the other. The voltage between them is 380V.
3. The instant electric water heater is a single-phase live-line to neutral line at 220V during voltage test, which is called unidirectional power. When the three-phase load is completely equal, the voltage on the zero line is 0V, and the current is between the three-phase lines. When the flow and the three-phase load are unbalanced, a voltage difference is generated, and the voltage on the zero line is greater than 0V. But the real electrician is not the voltage but the current, and the alternating current is not positive or negative.
Second, the shortcomings of the hot water heater
1, the use of power supply is relatively large, this becomes the reason that the instant electric water heater can become very hot, generally its power size will not be lower than 6KW, it is required for the line is the power line needs Above 2.5 square millimeters, some even have to reach 3 square millimeters. Such super power water heater lines are mostly unbearable for some ordinary families.
2. After the installation of this instant electric water heater, the pressure of the inlet of the hot water heater should not be too large. Sometimes it will require the user to have an independent line at home and also use it. A dedicated meter with at least 40A. If you encounter an electrical appliance such as an air conditioner, plus these appliances, that is to say, you must have a meter with at least 80A at home, and also have to walk separately. Therefore, this installation requirement is also a major bad factor affecting the use of instant electric water heaters.
The above is the introduction of the shortcomings of our instant electric water heaters, and the introduction of the working principle of our instant electric water heaters. I believe friends who have seen this with Xiaobian can understand how to use instant electric water heaters. It is. Below, we will continue to pay attention to our decoration home Internet cafes to learn more useful decorative information.
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The shortcomings of the instant electric water heater, that is, the hot water heater precautions
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