Sungrow SG250HX, Руководство пользователя

Страница: 44 / 109

34
5.6.3 Aluminium Cable Requirements
If an aluminium cable is selected, use a copper to aluminium adapter terminal to avoid
direct contact between the copper bar and the aluminium cable.
F Fiig gu urre e 5 5--3 3 Aluminium cable terminal connection sequence
Ensure that the selected terminal can directly contact with the copper bar. If
there are any problems, contact the manufacturer of terminal.
Direct contact between the copper bar and the aluminium cable will cause
electrochemical corrosion and impair the reliability of electrical connection.
5.6.4 Connection Procedure
In this manual, description is given by using five-core cable as an example.
The wiring method of the four-core cable is the same.
Step 1 Open the wiring compartment. For details, refer to
"
5.5 Opening the Wiring
Compartment
"
.
Step 2 Disconnect the AC-side circuit breaker and prevent it from inadvertent reconnection.
Step 3 Loosen the swivel nut of the AC waterproof connector and select a seal according to
the cable outer diameter. Lead the cable through the swivel nut, seal, and wiring
terminal successively.
5 Electrical Connection User Manual