ZGR SOLAR STR 250
Operation manual
www.zigor.com
26
Dimensions:a
f
46 mm / 13 mm
f
b
f
15,5 mm / c
f
22 mm (Fig. 4-28)
Fig. 4-28 Dimmensions of terminal
4.4.5.5
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 (Fig. 4-29).
Fig. 4-29 Aluminium cable terminal connection sequence
4.4.5.6
Connection procedure
1)
Open the wiring compartment.
2)
Disconnect the AC-side circuit breaker and prevent it from inadvertent reconnection.
3)
Loosen the swivel nut of the AC waterproof connector and select a seal according to the cable outer
diameter (Fig. 4-30). Lead the cable through the swivel nut, seal, and wiring terminal successively.
NOTICE
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.
NOTICE
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.
