Vaillant aurotherm classic VFK 135/2 VD Installation Manual page 21

5.1.6 Determining the ballast load (floating installation)
Danger!
Risk of death and material damage due to excessive basic wind speeds!
The racks are designed for basic wind speeds of up to 108 km/h. If the basic wind speed at the site is
greater than 108 km/h, then there can be no guarantee claim for the system.
▶ Only install the rack in locations where the basic wind speed is a maximum of 108 km/h.
1. Please note the following for floating installation:
Installation variants
B
A and B
0020159946_01 auroTHERM classic Installation manual
Please note
Weights that are firmly screwed onto the
rack must consist of material capable of
screw connections.
All weights must be weatherproof.
Flat roof fitting and installation 5
21