Q 4. WIRING
4.1 Main circuit.
(1) Connection to power source and motor
For models FR-%220-0.4K to 1.5K
For models larger than
PR-Z220-2.2K and Z240-2.2K
Power supply
I I I
Power supply
* When the inverter is connected as
shown above, the motor runs counber-
0
clockwise, as viewed from the load side, with “forward” (normal) command
signal.
IMPORTANT
Notes: 1 .
DCJ not
‘connect power supply to the output terminals (II, V, W)
-._ _ ..-
L __...____. _. ..__ ---. .-- ---- .--
directly because such miswiring n~ay cause not only damage
Lo
--.- _ . --
-._ . _._.- -
_ .-
the inverter, but also danger to the operator.
------
-..-_
The same danger ..may be caused by backflow of current if the
invorter is connected as shown below. To prevent backflow, MC 1
and MC 2 .should be interlocked with each other (electrically as
well as m&hanically) .
2. The inverter is not equipped with a” means to. protect persons
-from .acci&nts due to leakage. ‘. .
:’
Pay attention so that cables do not touch the. chassis, etc.
‘Be’ sure to earth the inverter with the earth terminal.
0
0
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