3 x Installation
25
FA ROTEX Solaris - 08/2007
Installing the roof brackets and mounting rails
Required tools:
– Socket wrench WS13
– Jaw wrench WS13
– Hammer
– Cut-off grinder with diamond cutting wheel
–Spirit level
–Yard stick
– Cordless drill with 6 mm bit
1. Determine the roof space for the solar panel array and mark the mounting location.
2. Remove the row of tiles above the intended lower edge of the solar panels.
3. Position the mounting rail horizontally centred on the rafters (for the entire width of the solar panel array). If several
mounting rails are required for an array, they must first be joined by means of two splicing plates and the Allen screws from
the FIX-VB mounting kit.
4. Determine the positions for the roof mounting brackets, whereby the brackets should be spaced evenly under the mounting
rail (Fig. 3-49 and Fig. 3-50). Also note the dimensions X
0
, X
1
and X
2
given in Table 3-1 for the rafter spacing – if necessary,
a suitable supporting structure will have to be provided.
5. Position the perforated plate of the roof mounting bracket so that at least two screw holes are located over the rafter.
6. Place the mounting rail on the perforated plates and align the mounting brackets parallel to the roof tiles.
7. Fix every roof mounting bracket to a rafter with at least 2 of the wood screws supplied (Fig. 3-51).
Each solar panel requires a specific amount of space on the roof: 2.0 x 1.01 m
2
for the V21A, 2.0 x 1.37 m
2
for the V26A, and 1.37 x 2.0 m
2
for the H26A.
The main dimensions of the solar panel array (as shown in Fig. 3-47 and Fig. 3-48) are summarised in Table3-1.
As the mounting rails will have to be separated again before final installation, only one splicing plate is required
for this step.
Fig. 3-49 Align the roof mounting brackets
of the planned solar panel lower
edge LE at the distance Y
2
Fig. 3-50 Determining the mounting
positions of the roof brackets
Fig. 3-51 Attach the roof brackets to the
rafters with at least two screws
WARNING!
Insufficiently dimensioned supporting structures can endanger persons, the building and the solar installation.
• Check the load bearing capacity of the supporting structure. Do not use roofing battens.
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