YASKAWA Z1000U Series Quick Start Manual page 22

i.4 Electrical Installation
u
Main Circuit Connection Diagram
Refer to Figure i.13 when wiring the main circuit of the drive.
p1 <1>
n1 <1>
R/L1
S/L2
T/L3
<1> A Momentary Power Loss Recovery Unit can be connected as an option. Do not connect an AC power supply to these
terminals.
u
Main Circuit Terminal Functions
Voltage Class
Drive Model
Terminal
R/L1, S/L2, T/L3
U/T1, V/T2, W/T3
p1, n1
u
Protecting Main Circuit Terminals
n Insulation Caps or Sleeves
Use insulation caps or sleeves when wiring the drive with crimp terminals. Take particular care to ensure that the wiring does
not touch nearby terminals or the surrounding case.
n Main Circuit Protective Cover
Close the protective cover after wiring the main circuit terminals on drive models 2o0028 to 2o0081 and 4o0011 to 4o0077.
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Control power supply
Input filter
Bidirectional IGBT
Figure i.13 Connecting Main Circuit Terminals
Table i.4 Main Circuit Terminal Functions
Three-Phase 200 V Three-Phase 400 V
Class
2o0028 to 2o0248 4o0011 to 4o0414
Type
Main circuit power supply input
Drive output
Momentary power loss recovery unit input
100 Ω or less
YASKAWA ELECTRIC TOEP C710636 11E Z1000U HVAC MATRIX Drive Quick Start Guide
Control
board
Class
Connects line power to the drive
Connects to the motor
DC voltage terminals that connect to a
momentary power loss recovery unit
10 Ω or less Grounding terminal
U/T1
V/T2
W/T3
Function Page
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