YASKAWA Z1000U Technical Manual page 50

3.3 Main Circuit Wiring
n Models D143 to D211, B156 to B240, and B302 to B414
1.
Move the circuit breaker handle to the "OFF" position.
2.
Turn the door handle 1/4 towards the door hinges and open the door.
Note: Models B302 to B414 have two doors.
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Figure 3.5 Disconnect Power
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual