2
Fig.1: Front and back sides of ET-M572170 module
3. Installation of modules
3.1 Installation
When installing the modules, the face of the units should be placed where they are highly
exposed to the sun. It is recommended that the modules usually face the equator; thus, in
the Northern Hemisphere the surface should be oriented towards the south, and in the
Southern Hemisphere, towards the north. Usually the angle between modules and the
ground should be local latitude ± (5°~10°) as show in Fig.2.
WARNING!
Do not attempt to clean a module with a broken glass cover or a
perforated backsheet. Such a module can present a serious shock
hazard.