11
IBIS4 Installation
8.2 Making a new opening
See fig. 5
➤ Select an area at the centre on the roof between two longitudinal supports.
➤ Mark the position and size of the opening (preferably 400 x 400 mm or
optionally 360 x 360 mm).
See fig. 6
➤ Drill out the corners (A).
➤ Carefully cut out the opening on the roof using a keyhole saw or a similar tool
(B).
➤ Make sure no electrical power cables are damaged.
1112
20 – 100
758
240
579
85 93
518
==
48
105 113
360
400
AB
400 mm
400 mm
360 mm
360 mm
63
649
360
43
629
400
AB
IBIS4-A4--I.book Seite 11 Mittwoch, 13. März 2019 9:43 21
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