1. The ceiling must bear at least 40kgs weight, and the thickness of the ceiling must be more than 30 mm, see
pic 2. Drill 1*170mm round hole in the ceiling.
2. According to the hanging board, drill 12 holes in the ceiling, see pic 2. 12 ST6*40 mm big flat screws will be
used to fix the hanging board on the ceiling, and then 8 M4*10 screws and a M4 nut with gasket will be used
to connect the angle iron into the hanging board, see pic 1. After calculating the length of the angle iron, 16
M4*10 big flat screws and a M4 nut with gasket should be used to connect the angle iron and another angle
iron (the overlap length of angle iron can not be less 100 mm).
3. Let one side of the extensible pipe go outside through the hole of 170MM, see pic 3.
4. 4 ST4*8 big flat screws will be used to connect the internal chimney into the hanging board. Then put up the
external chimney, two hooks will be used to put up the external chimney in order to the next installation, see pic 4.
5. 4 ST4*8 big flat screws will be used to install the outlet, see pic 5.
Installation
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