5 Mechanical Installation User Manual
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5.3.2 Installing on Metal Frame
Step 1 Remove backplate and fasteners from the packaging.
Step 2 Choose the best installation site according to above requirements. Place the
backplate onto the chosen metal frame and adjust it until it is in a horizontal
position.
Step 3 Mark the positions to drill holes by using the backplate as the template.
Step 4 Drill 6 holes at the marks you have made. If the shape of the metal frame
doesn’t fit the holes on the backplate, re-drill holes on the backplate of
appropriate position according to the chosen frame.
In order to avoid electrical shock or other injury, inspect existing electronic
or plumbing installations before drilling holes.
Step 5 Fasten the backplate against the metal frame with bolts and nuts. The
dimensions of fasteners used in the following diagram are recommended.
The torque for fastening the nut is 35 Nm.
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