1 mark
Each wind vane shall be provided with a permanent mark indicating its model, type, size, manufacturer and other information.
2 Manual
Each set of wind vanes should be accompanied by instructions for use, giving the following information:
a) Wiring diagram of wind vane;
b) The parts list and the name and number of the original manufacturer;
c) Assembly and installation instructions, including requirements for installation foundation and anchor bolts;
d) Maintenance instructions.