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4.
Prepare the holes in the wall according to the illustration here (Fig. 2-1)
Please use the holes, red marked in the drawing, under the screws of the cover.
Fig. 2-1
Wiring
3
Always remove the power supply plug before installing or uninstalling the redundancy controller.
Open the 4 screws in the corners of the front cover and carefully lift the cover up, then you may turn it beside.
Be careful, do not use force and do not let it hang down just by the internal
wiring! (Fig. 3-1):
Fig. 3-1
7
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