3 Electrical Installation
14 YASKAWA ELECTRIC TOEP C710616 27D YASKAWA AC Drive - A1000 Quick Start Guide
Tightening Torque Values
Tighten the main circuit terminals using the torque values provided by the table below.
Control Circuit
The control terminal board is equipped with screwless terminals. Always use wires within the specification listed below.
For safe wiring it is recommended to use solid wires or flexible wires with ferrules. The stripping length respectively
ferrule length should be 8 mm.
EMC Filter Installation
This drive has been tested in accordance with European standards EN61800-3. In order to comply to the EMC standards,
wire the main circuit as described below.
1. Install an appropriate EMC noise filter to the input side. See the table in Main Circuit on page 13 or refer to the
Technical Manual for details.
2. Place the drive and EMC noise filter in the same enclosure.
3. Use braided shield cable for the drive and motor wiring.
4. Remove any paint or dirt from ground connections for minimal ground impedance.
5. Install an DC reactor at drives smaller than 1 kW for compliance with the EN61000-3-2. Refer to the Technical
Manual or contact your supplier for details.
Terminal Size M4 M5 M6 M8 M10 M12
Tightening Torque (N"m) 1.2 to 1.5 2.0 to 2.5 4.0 to 6.0 9.0 to 11.0 18.0 to 23.0 32.0 to 40.0
Wire Type Wire size (mm
2
)
Solid 0.2 to 1.5
Flexible 0.2 to 1.0
Flexible with ferrule 0.25 to 0.5
L3
L3 L2 L1
E
L3
L2
L1
PE
Make sure the ground wire is grounded
Enclosure panel
Metal plate
Grounding surface
(remove any paint or sealant)
Drive
Grounding surface
(remove any paint or sealant)
Motor cable (braided shield cable, max. 10 m)
Cable clamp
Ground plate
(scrape off any visible paint)
EMC noise filter
Motor
Ground the cable shield
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