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6
4. According to the size shown on pic 2, drill 14pcs φ 8mm holes on the ceiling once
the installation height is determined,14pcs explode screws(or 14 pcs of ST6*40mm
big flat screws+14 pcs wall plugs) will be used to fix the two hanging board on the
ceiling. See pic 3.
5. Calculate the length of the angle iron(see pic 4 & 5),then 32 pcs of M4*10 screws
and M4 nut with gasket will be used to connect the angle iron into the adjustable
angle iron bracket. (Make sure the overlap length of angle iron cannot less than
36mm)
6. As pic 8 shown, choose the direction of the outlet①/②/③/④
a. Refer to pic 6, open the decorative plate in order,and take out the filter.
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