YASKAWA Z1000U Series Quick Start Manual page 81

2.
Use braided shield cable for the drive and motor wiring, or run the wiring through a metal conduit.
3.
Keep wiring as short as possible. Ground the shield on both the drive side and the motor side.
A – Drive
B – 10 m max cable length between
C – Motor
4.
Make sure the protective earthing conductor complies with technical standards and local safety regulations.
WARNING! Electrical Shock Hazard. Because the leakage current exceeds 3.5 mA in models 4
61800-5-1:2007 states that either the power supply must be automatically disconnected in case of discontinuity of the protective
earthing conductor, or a protective earthing conductor with a cross-section of at least 10 mm
Failure to comply may result in death or serious injury.
A – Braided shield cable
B – Metal panel
YASKAWA ELECTRIC TOEP C710636 11E Z1000U HVAC MATRIX Drive Quick Start Guide
A
drive and motor
Figure i.58 Installation Method
B
D
U/T1 U
V/T2 V
W/T3 W
E
D – Metal conduit
E – Ground wire should be as short as
possible.
C B
C – Cable clamp (conductive)
Figure i.59 Ground Area
i.9 Standards Compliance
C
M
o 0302 and larger, IEC/EN
2 (Cu) or 16 mm
A
2 (Al) must be used.
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