To be precise, it must be the water system and the refrigerant system (R22, R410A, etc.). Water system refers to a method that uses water as a medium to transfer cold and heat to the end through the water medium and achieve the effect of regulating cooling and heating of the air. This method is collectively called a water system. Likewise, the refrigerant system uses refrigerants such as R22 to transfer heat and cold to the terminal to regulate the air.
It is good to have a fan installed under the water heater.
1. Gas burns more completely: Friends who have burned firewood in rural areas may be more familiar with it. If you blow out the bottom of the fire with a bamboo tube, the firewood will burn more vigorously. The heating input is stable and the constant temperature will be better.
2. Stronger wind resistance: the ventilaThe wind blows from inside the machine to the chimney to accumulate energy, and the strong wind from outside returns to the machine to reduce the wind power. more windproof than the top fan.
3. Better working environment: The bottom fan brings oxygen and wind to the combustion chamber and then out of the chimney. The working temperature of the lower fan is not high, and the upper fan sucks in oxygen and wind. to the combustion chamber, carrying the waste heat through the fan, the working temperature of the fan is higher, and the durability and stability of the lower fan will be better.