3-7
3.3.2 Control Cable selection and Wiring.
Control cables should be connected to terminal block TM2.
Choose power & Control cables according to the following criteria:-
¾
Use copper wires with correct diameter and temperature rating of 60/75
°
C.
¾
Minimum cable voltage rating for 200V type inverters should be 300VAC.
¾
Route all cables away from other high voltage or high current power lines
to reduce interference effects.
Use a twisted pair shielded cable and connect the shield (screen) wire to the ground
terminal at the inverter end only. Cable length should not exceed 50 meters.
Shielding sheath
Protective covering
Connect the shield to inverter
ground terminal
Do not connect this end