Yaskawa Z1000 AC Drive HVAC - Manual (Page 73)

3.3 Main Circuit Connection Diagram
Refer to diagrams in this section when wiring the main circuit of the drive. Connections may vary based on drive capacity.
The DC power supply for the main circuit also provides power to the control circuit.
NOTICE: Do not use the negative DC bus terminal “–” as a ground terminal. This terminal is at high DC voltage potential. Improper wiring
connections could damage the drive.
u Three-Phase 600 V Class Models 5A0003 to 5A0032
+1
+2
–
R/L1
S/L2
T/L3
Relay
Gate board
Control
board
Operator
+
Current
sensor
U/T1
V/T2
W/T3
B1 B2
Figure 3.2 Connecting Main Circuit Terminals
u Three-Phase 600 V Class Models 5A0041 and 5A0052
+1
–
R/L1
S/L2
T/L3
U/T1
V/T2
W/T3
B1 B2
DC link
choke
+
Relay
Gate board
Control
board
Operator
Current
sensor
Figure 3.3 Connecting Main Circuit Terminals
3.3 Main Circuit Connection Diagram
YASKAWA ELECTRIC TOEP YAIZ1U 03A YASKAWA AC Drive – Z1000 User Manual 73
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Electrical Installation