2N Helios IP Safety Installation Manual page 25

Warning
Be sure keep strictly the hole dimensions while mounting the device into
classic bricks without the flush mounting box as shown in the picture with
dimensions.
Flush Mounting – Classic Bricks
What You Need:
A precisely cut hole or, optionally, the brick flush mounting box, Part No. 9151001
Hole: (132 × 223 × 83) mm (with flush mounting box)
Hole: (112 × 220 × 70) mm (without flush mounting box)
If you use the brick flush mounting box, follow the instructions included in the box. If
you do not use the mounting box, follow the instructions below:
Make a hole using the template. Suppose that all the required cables have been
1.
carried into the hole.
Unpack the frame, put the intercom inside and place the set onto the hole to
2.
make sure that the hole is deep enough and the uneven edge is perfectly
covered with the frame.
Make sure that the dowel holes are drilled accurately! You will not be able to
3.
align considerable inaccuracies with this way of mounting! Push or hammer the
enclosed dowels into the drilled holes. Use some suitable building adhesive if the
dowels are too loose.
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