Viessmann Vitosol 100-FM SV1F Installation, Operating And Service Instructions page 22

Installation on Flat Roofs
or Freestanding Installation
Installing Freestanding Installation
Legend
qW Mounting crossbars
Note: See page 16 for numbered component description.
22
Vitosol 100-FM/200-FM Installation, Operating and Service
(with ballast - for Model SH only)
6. Secure two mounting crossbars qW diagonally side
by side to the adjustable supports, respectively for
between one and six collectors.
IMPORTANT
Only one pair of mounting crossbars are supplied for 1 to
6 collectors, two pairs of mounting crossbars are supplied
for 7 to 10 collectors.
7. For added stability, attach connecting ties to each
other where they intersect, using M8 or 5/16" (field
supplied) nut and bolt.
(continued)