Yaskawa AC Drive Z1000 HVAC User Manual

Page 31

Advertising
background image

NOTICE: Insulate shields with tape or shrink tubing to prevent contact with other signal lines and equipment. Improper wiring practices could

result in drive or equipment malfunction due to short circuit.

NOTICE: Connect the shield of shielded cable to the appropriate ground terminal. Improper equipment grounding could result in drive or

equipment malfunction or nuisance trips.

Wire the control circuit only after terminals have been properly grounded and main circuit wiring is complete.

Refer to

Terminal Wiring Guide on page 31

for details. Prepare the ends of the control circuit wiring as shown in

Figure i.22

.

Refer

to Wire Gauges on page 30

.

NOTICE: Do not tighten screws beyond the specified tightening torque. Failure to comply may result in erroneous operation, damage to the

terminal block, or cause a fire.

NOTICE: Use shielded twisted-pair cables as indicated to prevent operating faults. Improper wiring practices could result in drive or

equipment malfunction due to electrical interference.

Connect control wires as shown in

Figure i.16

and

Figure i.17

.

Yaskawa recommends Phoenix Contact screwdriver model SZF 0-0.4 x 2.5 or equivalent to wire the terminal block.

A

B

C

D

Preparing wire
terminal ends

0.4

2.5

A – Loosen screw to insert wire.
B – Single wire or stranded wire

C – Avoid fraying wire strands when

stripping insulation from wire. Strip
length 5.5 mm.

D – Blade depth of 0.4 mm or less

Blade width of 2.5 mm or less

Figure i.16 Terminal Wiring Guide

Use the cable tie holes and cable hooks when wiring control terminals.

Note:

Take proper precautions when wiring the cables so that the front covers will easily fit back onto the drive. Make sure cables are not pinched

between the front covers and the drive when replacing the covers.

A

B

A – Cable tie hole

B – Cable hook

Figure i.17 Control Terminal Wiring (2A0011 to 2A0031 and 4A0005 to 4A0027)

i.3 Electrical Installation Safety

YASKAWA ELECTRIC TOEP YAIZ1U 01A YASKAWA AC Drive – Z1000 Safety Precautions

31

Advertising