20
① ② ③
Figure 3-9 Inverter cable terminals
① Knockout holes for 1 & 1.25inch conduit of DC inputs
② knockout hole for 1 & 1.25inch conduit of AC output and ground cables
③ Knockout hole for 0.5 & 0.75inch conduit of communication cables
3.3.1 DC connection
(1) To ensure the optimal performance of the inverter, please read the
following guidelines before DC connection:
(a) First, make sure that the maximum open circuit voltage of the PV
modules is lower than 600Vdc under any conditions;
(b) Confirm that the PV modules for each MPPT of the inverter are of the
same types and specifications before connection. The number,
orientation, and tilt of PV modules may differ for different application.
(c) Configure the external wiring according to the following conditions:
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