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String PV Grid-tied Inverter PSiO-W3#1100VPVK Series
(100000-125000)
User Manual
3 Installation
41
If several inverters need to share a breaker, the breaker needs to be selected according to the total
current.
No load can be connected between the inverter and the breaker.
Terminal requirements
When the AC output uses copper wire, it is recommended to use DT/OT terminals (as shown in
Figure3-29). The terminal specifications and requirements is: 13mm
≤
A
≤
15.5mm, B
≤
46mm,
C
≤
22mm.
Figure3-29
Terminal size requirements
When the AC output uses aluminum wire, copper-aluminum transition terminal is required to
avoid direct contact between the copper bar and the aluminum wire.
Wiring steps
Before wiring, add marks for AC output cables to avoid wrong connection.
Step 1
Open the cover of the right-side wiring box by wrench, as shown in Figure3-30.
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