YASKAWA GA700 Technical Manual page 204

4.3 UL Standards
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Notes on Wiring the Main Circuit Terminal Block
Note:
• Use copper wire. Non-copper wire such as aluminum wire cannot be used.
• Be sure remove any foreign objects on the wire connections for the terminal block.
• Remove the insulator from the connection wires to the wire stripping lengths listed in the manual.
• Do not use a wire with bent or crushed conductor. If a deformed wire is used for connection, cut off the bent end of the wire before
using it.
• When using stranded wire, do not solder the conductor portion.
• When stranded wire is used, wire it so that no wire fibers protrude out of the connection. Do not excessively twist the stranded wire.
• Insert the wire until it is completely inside the terminal block. Once the insulator from the wire is removed to the suggested wire
stripping length, the insulator will fit within the plastic housing.
• The tightening torque is different for each terminal. Tighten the screws to the specified tightening torque.
• Use a torque driver, torque ratchet or torque wrench that is designed for the screws. A flat end driver or a hex tool will be needed when
wiring the screw clamp terminal. Refer to the recommended conditions listed in the product manual and provide tools accordingly.
• When using an electric driver to tighten, be especially careful and tighten at low speed, 300 to 400 r/min.
• Wiring tools can be purchased from Yaskawa. Contact Yaskawa or your nearest sales representative for details.
• When replacing your existing drive with this one, the existing wires may have wire gauges that are out of range of some of the gauges
applicable to the new drive. For the usable and unusable wire gauges, contact Yaskawa or your nearest sales representative.
• After connecting the wires, gently pull on the wires to check that they do not pull out.
• Cut off an appropriate section of the wiring cover to facilitate the wiring.
• Regularly tighten any loose terminal block screws to their specified tightening torques.
• To protect the wiring connections from strain forces, be sure to secure wires near wiring parts using some sort of strain relief system.
Refer to the following diagram.
A - Strain relief
Screw Size Screw Shape
M4 Slot (-)
M5 Slot (-)
Hex socket cap
M6
(WAF: 5 mm)
Hex socket cap
M8
(WAF: 6 mm)
Hex socket cap
M10
(WAF: 8 mm)
*1 When wiring the drive models 2110 and 4075 or below, select tools correctly based on the wire gauges.
• ≤ 25 mm 2 (AWG 10): TSD-M 3NM
• ≥ 30 mm 2
(AWG 8): Torque wrench that includes a torque measurement range of 4.5 N∙m
*2 Contact Yaskawa or your nearest sales representative for details.
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Main Circuit Wire Gauges and Tightening Torques
Refer to Table 4.15 and
204
Figure 4.14 Wiring Example Using Strain Relief
Table 4.14 Recommended Wiring Tools
Adapter
Bit
Bit
Socket
Socket
Socket
Table 4.16 for the wire gauges and tightening torques of the main circuit terminals.
YASKAWA ELECTRIC SIEP C710617 01B YASKAWA AC Drive GA700 Technical Manual
Torque Driver
Model
Bit Model
(Tightening
Torque)
TSD-M 3NM
SF-BIT-SL 1,
0X4,0-70
(1.2 - 3 N∙m)
TSD-M 3NM
SF-BIT-SL 1,
2X6,5-70
(1.2 - 3 N∙m)
*2 -
*2 -
-
*2
Torque Wrench
Manufacturer
Model
PHOENIX
-
CONTACT
PHOENIX
*1
CONTACT
*1
*2
*2
*2
*2
*2
*2