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5. Flat Roof Installation
Next it will be described the procedure for installing a bank of two solar collectors on
a flat roof. The formation of more banks of collectors is done simply by adding the
support frames EST1 or EST2 when necessary.
5.1. Installation of the longitudinal profiles D3 and the Z angles E1/E2
Place the two longitudinal profiles D3 on the floor, at the indicated distance, so that
both profiles U remain outward-oriented. Place the two Z angles E1 or E2 over, in the
correct position (Figure 14a, 14b & 14c) .
Screw the lower Z angle E1 or E2 to the two longitudinal profiles D3 with two sunk
head bolts M8x20 with their nuts and washers and tighten.
Screw the higher Z angle E1 or E2 to the two longitudinal profiles D3 with two sunk
head bolts M8x20 with their nuts and washers, without tighten it yet in order to
facilitate the subsequent placement of the collectors.
Page 13 of 24
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