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Electrical interference, Caution, Electrical interference emi – Alliance Laundry Systems 160 User Manual

Page 65: Figure 37

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Allen-Bradley 1305-Series AC Drives

63

F232120

© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT

Electrical Interference

EMI

Careful attention must be given to the arrangement of
power and ground connections to the drive to avoid
interference with nearby sensitive equipment. Be sure
to replace all ground connections to their appropriate
locations.

RFI

Drives can be installed with an RFI filter, which
controls high-frequency conducted emissions into the
main supply lines.

Where it is essential that very low emission levels
must be achieved or if conformity with standards is
required, the optional RFI filter may be present.
Figure 37 displays an electrical schematic for various
RFI configurations. Table 39 shows associated RFI
filter part numbers.

Figure 37

CAUTION

ELECTRIC SHOCK HAZARD! Service and

maintenance to be performed only by an
authorized technician. Disconnect power
before opening any access panels.

W661

U166ME3A

L1

TO AC DRIVE UNIT Ð
GREEN-YELLOW WIRE MUST CONNECT TO
AC DRIVE GROUND TERMINAL.
BLACK WIRES WILL CONNECT TO AC DRIVE
INPUT TERMINALS "R", "S" & "T".
BLACK WIRES ARE NOT LABELED AND THEIR
RESPECTIVE TERMINATION IN AC DRIVE IS
NOT OF IMPORTANCE.

L2

ALLEN-BRADLEY

RFI

FILTER

L3

LINE

LOAD

PROVEN EARTH GROUND

WASHING

MACHINE

GROUNDING

TERMINAL

THREE PHASE MACHINES

INPUT

POWER

1 2

3

2

3

L1

TO AC DRIVE UNIT Ð
GREEN-YELLOW WIRE MUST CONNECT TO
AC DRIVE GROUND TERMINAL.
BLACK WIRES WILL CONNECT TO AC DRIVE
INPUT TERMINALS "R", "S" & "T".
BLACK WIRES ARE NOT LABELED AND THEIR
RESPECTIVE TERMINATION IN AC DRIVE IS
NOT OF IMPORTANCE.

L2

ALLEN-BRADLEY

RFI

FILTER

LINE

LOAD

PROVEN EARTH GROUND

WASHING

MACHINE

GROUNDING

TERMINAL

SINGLE PHASE MACHINES

INPUT

POWER

1 2

3

2

3

U166ME3A

RFI Filter Part Number Information

Drive P/N

Drive Catalog

Machine Voltage

Filter P/N

370815

1305-AA12

200-240V/1 Phase

Not Available

370815

1305-AA12

200-240V/3 Phase

330272

370816

1305-BA06

380-480V/3 Phase

330271

370818

1305-BA09

380-480V/3 Phase

330272

Table 36

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