How to calculate the electric water heater power according to the power

After deciding to purchase an electric water heater, many people will count the amount of money that an electric water heater will cost every day. The electric water heater used every day has a great relationship with the power value of the electric water heater. Today, Xiaobian comes to popularize the power of the electric water heater. The relevant knowledge allows you to choose a product that is more suitable for you at the time of purchase.

When purchasing an electric water heater, the choice of power should be determined according to the cross-section of the meter and power cord at home. The cross-section of the power cord used for water heaters below 1500W should not be less than 1.5mm2, and the power supply for water heaters of 2000W~3000W. The cross-section of the wire should not be less than 2.5mm2, and it should also be considered whether the power cord is dedicated to the water heater alone or in combination with other appliances.

The power of common water heaters on the market are: 1000W, 1250W, 1500W, 2000W, 2500W, 3000W, etc. In order to meet the needs of people for the diversity of water heater products, there are dual-power and multi-power electric water heaters on the market, which are adjustable by 1000W/1500W, adjustable by 1000W/1500W/2500W, adjustable by 1000W/2000W/3000W, 2000W/3000W. Several combinations of /5000W are available for users to choose. When using the product, the user can choose to use one heating tube to heat or two heating tubes to heat at the same time.

At present, there are three main types of electric water heaters in the market, namely, storage water heaters, namely, hot water heaters and quick-heat water heaters.

The storage type electric water heater has a capacity of about 40-100 liters. Because the water storage type electric water heater needs to be equipped with a liner, its volume is larger than other electric water heaters, so it is rather cumbersome. The power of the storage type electric water heater is smaller than that of the instant type and the instant type electric water heater. When using the water storage type electric water heater, it takes a long time to heat up, and the preheating time is relatively long, so the user is using It takes a long time to wait, and it also has a limit on the number of users. Domestic storage water heaters usually have a power of no more than 2.5 kW, while commercial storage water heaters typically have a power of 50 kW.

Instant electric water heaters usually have a power of about 6KW-12KW. To install an instant electric water heater in the home, it is necessary to lay a special line to use it. At the same time, its line needs to be more than 4 square millimeters. Some users in the south can install the instant electric water heater line at 2.5 square millimeters.

The quick-heat electric water heater is the third-generation electric water heater. This type of electric water heater is also called a water-storing fast-heating electric water heater. Its preheating time is generally about 15 minutes. This kind of electric water heater is inside it. The gallbladder volume is between 10 and 30 liters. The speed of the quick-heat electric water heater is about 3500W-5500W. The home-installed quick-heat electric water heater does not need to replace or expand the original circuit. Its power cord only needs to be 2.5 square millimeters. It can also realize multi-channel water supply, which is not limited by the number of people during use, and the operation is very convenient and simple.

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