The exhaust pipe is inserted into the notch between the inner coil and the outer ring of the check valve, and is fastened by screws. The other end extends directly through the reserved hole into the outdoor. If the smoke pipe is through the common flue, it must be connected with the common flue anti return check valve and sealed. If you smoke outside the wall, it is recommended to install louvers outside the exhaust pipe to avoid recirculation.
Smoke exhaust pipes are generally 15 cm and 18 cm in diameter, but the market is now 15 cm. It is very convenient to extend the entrance of a small hole, but it is not difficult to change it when it is big. But in case the seal is not good, it will be easy to return to the flavor.
As long as the kitchen is not hung, the later changes can be. Gas water heater exhaust pipe is generally 6 cm in diameter. The above sizes are net sizes. The product will have instructions.
The purpose of smoke exhaust is to exhaust the smoke and dust in the room through the exhaust machinery. The ventilation is able to carry out the forced circulation of the air inside and outside the room by mechanical means. Firstly, their ventilation direction and location are different.
Their circulation of air quality is different, so we cannot use the same pipe, otherwise, we in the ventilation, careful not to smoke into the room, would be counterproductive。 Finally, standard for the installation of the exhaust pipe and the exhaust pipe is not the same, the exhaust pipe system to install smoke damper, and ordinary row do not install air duct。
Matters needing attention：
1, smoke pipe should not be too long, it is best not to exceed 2 meters, and minimize bending, avoid more than 90 degrees bending, otherwise it will affect the effect of oil smoke.
2, smoke exhaust pipe out of the air or into the public suction cold flue, the interface should be tight, not allowed to exhaust exhaust into the hot flue
3, if smoke to the common flue, do not smoke pipe inserted too deep, resulting in increased smoke exhaust resistance. If it leads to the outside, make sure that the exhaust pipe extends out of the 3cm.
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