2 Mechanical Installation
YASKAWA ELECTRIC
TOEP C710656 09D YASKAWA Power Regenerative Unit - R1000 Quick Start Guide
11
Installation Screws
Exterior and Mounting Dimensions on page 12
for the sizes of the installation screws.
Precautions and Instructions for Installation
Read the following precautions and instructions before installing models 2A0073, 2A0105, and 4A0210 to 4A0300.
WARNING!
Crush Hazard. Observe the following instructions and precautions. Failure to comply could result in serious injury or death
from falling equipment.
•
Only use vertical suspension to temporarily lift the regenerative unit during installation to an enclosure
panel.
•
Do not use vertical suspension to transport the regenerative unit.
•
Use screws to securely affix the regenerative unit front cover, terminal blocks, and other regenerative
unit components prior to vertical suspension.
•
Do not subject the regenerative unit to vibration or impact greater than 1.96 m/s
2
(0.2 G) while it is
suspended by the wires.
•
Do not attempt to flip the regenerative unit over while it is suspended by the wires.
•
Do not leave the regenerative unit unattended while it is suspended by the wires.
Horizontal Suspension of Models 2A0073, 2A0105, and 4A0210 to 4A0300
To make a wire hanger or frame for use when lifting the regenerative unit with a crane, lay the regenerative unit in a
horizontal position and pass a wire through the holes of the four eye bolts.
NOTICE:
Damage to Equipment. When lifting the regenerative unit, confirm that the spring washer is fully closed. Failure to comply
may deform or damage the regenerative unit when lifted.
Figure 2
Figure 3 Details of Spring Washers
Vertical Suspension of Models 2A0073, 2A0105, and 4A0210 to 4A0300
When vertical suspension of the regenerative unit is required in an enclosure panel, the orientation of the eye bolts for
these regenerative unit models can be easily changed by turning the eye bolts counterclockwise 90 degrees.
Figure 3
Figure 4 Adjusting Angle of Eye Bolts
1.
Gradually take up the slack in the wires and hoist the unit after the wires are stretched tight.
2.
Lower the unit when ready to install in the enclosure panel. Stop lowering the unit when it is near the floor then
begin lowering the unit again very slowly until the unit is placed correctly.
A – No space between regenerative unit
and washer
C – Space between regenerative unit
and washer
B – Spring washer: Fully closed
D – Spring washer: Open
B
A
C
D
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