10
Additional devices such as ground fault, fuses, and disconnects may be required.
5.
Make sure that roof structure can support the installation load and might require
service of professional installers.
6.
The modules should never be sealed to the mounting surface with sealant that
prevents the junction box from touching the surface & air from circulating under
the module. Leave atleast 4 inches of clearance between the roof & the module
frame.
7. Module need to be securely mounted on fire resistant roof & slope less than 5 in/ft.
(127mm/305mm) required to maintain a fire class C.
Choose a pole and module mounting structure that will withstand the expected snow
and wind Loads
Several modules are connected in series and then in parallel to form a PV array,
especially for application with a high operating voltage.
Pole Mount
3 ELECTRICAL INSTALLATION
