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5 Installing the substructure
Prior to installation, the module array must be measured out on the roof and the position of the modules
determined, taking into account any obstacles such as light domes or strips, fans or drains.
The individual installation steps of the system variant closed II (south facing) are described below.
References are made to mounting versions (MV) for the various design possibilities respectively to the
system variant East-West II. The associated work steps are described at the end.
5.1 Installing the base rails and support components
Arranging the base troughs
e
M
e
Edge
M
Connecting the base troughs
Installing the base foot
e
M
e
joint
M
Install the base troughs centrally beneath the
module joint (MV 1).
Maximum module field size without measurements
(MV 4) for compensation of temperature-related
length expansions 17 x 17 m (Module field 10 x 10
with approx. 1.70 m row spacing)
Distance to adjacent module field: min. 50 mm
System edge / module joint:
e
= module length + 12 mm
M
joint
Observe the accident prevention regulations when
sawing.
Push the ends of the base troughs tightly together,
push the connectors under the ridge on the base
troughs and screw together with two screws on
each side.
Maximum uninterrupted rail length approx.17 m,
then install expansion joint or disconnect the rail
(MV 4).
The base trough joints and base trough ends must
be covered using the self-adhesive edge protection
provided.
The distance between the base troughs in the joint
may not exceed 100 mm.
Insert the component into the base trough on one
side as shown and then click into the base trough.
The component may need to be screwed down,
depending on the wind load (MV 5). If a base foot is
located above a long hole, the foot must always be
secured with a screw.
Prior to installation, the position (installation axis) of
the components must be determined on the base
trough.
Depending on the existing conditions on site,
installation using the installation and removal tool is
recommended.
7
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