Sungrow SG 110CX Schnelle Installationsanleitung Seite 8

AC Connection
A NOTICE
• Before connecting the inverter to the grid, ensure the grid voltage and frequency comply with requirements
• Disconnect the AC side circuit breaker and prevent it from inadvertent reconnection
• Observe the pin assignment of AC terminal block If a phase wire is connected to the
damage the inverter
• Please avoid squeezing the cable insulation ayer into the AC terminal
operation Of the inverter
During AC cable connection, the cables inside the lower part of the device should be bended to be surp us in ength. n
this way, cable dropping or oosening, which can cause arc or Other problems impairing functionality Of the device, due to
self weight of the cables in case of land subsidence is avoided
• If an aluminium cable is selected, use a copper to aluminium adapter terminal to avoid direct contact bebueen the copper
bar and the aluminium
O Lea d thecable through the
swivel nut
nstall the heat shrink tubing and
OT/DT terminal
Fix the AC cable to the corresponding
DC connection
A NOTICE
• Use the MC4 DC terminal within the scope of delivery Damage to the device due to the use of incompatible terminal shal
not be covered by the warranty
• There is a risk Of inverter damage! The fol owing requirements should be met. Failure to do so will void guarantee and
warranty claims
(1) Ensure that the open circuit vo tage in any case does not exceed the inverter input upper limit of I IOOV
(2) Make sure the maximum short circuit current on the DC side is within the permissible range
(3) Make Sure the to ground insu ation performance
• The inverter will not function properly if the DC po arities are reversed
• If the PV connectors are not assembled into p ace, It may cause an arc or overheat. The oss caused by this
issue will void the warranty
cable. See user manual
(If available)Remove
protection
released screws properly.
0>47mm
Remove this
seal nut
O
Crimp the OT/DT terminal
OT/DT terrnhal
terminals
c
20-30N m
mproper connection may affect the normal
for more detai s
the
cover and store the
O
Fasten the swivel nut, install the protection
c
15Nm
Of the PV string is sound
PE" terminal, it may permanently
Strip the protection layer and
Insulation layer
< 375 mm
Fixed heat shrink tubing
cover,
0 15-19Nm