Operation and installation manual
Page 92 of 96
(PVI-STRINGCOMB (-S, -MC, -S-MC) - Rev:1.0)
13.1 Before contacting the technician (Questionnaire)
In the case of problems which can not be solved directly, and in any case when it
is necessary to contact the supplier for assistance, take note of the following
information:
(A) Type of problem
(B) How many PVI-STRINGCOMB(-S) there are in the system.
(C) How many PVI-STRINGCOMB(-S) show a problem.
(D) Where they are installed. (Roof, ground, etc.)
(E) Is the last PVI-STRINGCOMB(-S) of the serial chain correctly terminated?
(F) How many input strings are there to the PVI-STRINGCOMB(-S)?
(G) The string composition
a. How many panels are connected in series?
b. Type of panels (Constructor and Model)
c. Any other information (e.g: presence of diodes)
(H) Is the photovoltaic field insulated by earth?