16
l
Grounding circuitry must not be formed when grounding several inverters together.
Good Good
Not good
(D) Wire specification Choose appropriate wire with correct diameter for primary power circuitry and
control circuitry in accordance with electricity regulations.
(E) Upon completion, check out to reassure the wiring correctness, broken wires, and secure terminal
screws.
Wiring Diagram
Terminations to Inverter must be made with either UL listed field wiring lug kits or UL listed crimp type
ring terminals
Note: only for U20-N1K5/N2K2 and U20-X0K7/X1K5/X2K2
l
Other connections(external 24V supply)
Multifunction
input
Multifunction
output
For factory
test only
Grounding
2.5-10k
Ω
Power Supply Input
Single phase drives:
L1-L2 or L1-L3
Three phase drives:
L1-L2-L3
Braking Resistor
(option)