JUKI SC-510 Series - Changing Procedure between 100 V to 120 V and 200 V to 240 V

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(2) Changing procedure between 100V to 120V and 200V to 240V
(Possible only for the voltage changeover type)
(1) Turn OFF the power with the power switch after
checking that the sewing machine has stopped.
(2) Draw out the power cord from the power receptacle
after checking that the power switch has been turned
OFF. Then wait for 5 minutes or more.
(3) Remove two screws fixing the front cover and
slowly open the front cover.
(4) hanging procedure of the power voltage
(Caution) When the voltage of the power changeover
switch and that of the AC input cord are
wrong, the control box is damaged.
Be sure to check the indication of the
changeover switch and the input power
voltage for use.
1) When using with 3-phase 200 to 240V
• Put a screwdriver or the like to the slit section
A
of
the changeover switch and push up the switch.
(Indication of the voltage of switch is 220V.)
•Connect the crimp style terminal of AC input cord to
the power plug as shown in the figure A.
2) When using with single phase 200 to 240V
• Put a screwdriver or the like to the slit section
A
of
the changeover switch and push up the switch.
(Indication of the voltage of switch is 220V.)
•Connect the crimp style terminal of AC input cord to
the power plug as shown in the figure B.
3) When using with single phase 100 to 120V
• Put a screwdriver or the like to the slit section
A
of
the changeover switch and push down the switch.
(Indication of the voltage of switch is 110V.)
•Connect the crimp style terminal of AC input cord to
the power plug as shown in the figure C.
(Caution) Be very careful that the components are
not damaged by the top end of the screw-
driver.
(5) Check again that the change has been performed
without fail before closing the front cover.
(6) Close the front cover and tighten two screws while
being very careful that the cord is not caught by the
cover.
Plug side
WHITE
BLACK
RED
GREEN/
YELLOW
Voltage can be changed between single phase 100 to 120V and single phase/3-phase 200 to 240V by changing
over the voltage changeover switch.
(Caution) The voltage changeover switch is on the inside of the control box. When changing the setting, be
sure to open the front cover after turning OFF the power switch and a lapse of 5 minutes or more.
In addition, if the changing procedure is mistaken, the control box is damaged. So, be very careful.
A
Fig. A
110V
220V
Plug side
A
Fig. B
110V
220V
Plug side
Fig. C
A
220V
110V
Voltage chnageover switch AC input cord
Voltage chnageover switch AC input cord
Voltage chnageover switch AC input cord
WHITE
BLACK
RED
WHITE
BLACK
RED
GREEN/
YELLOW
GREEN/
YELLOW
GREEN/
YELLOW
WHITE
BLACK
RED
GREEN/
YELLOW
GREEN/
YELLOW
WARNING :
To prevent personal injuries caused by electric shock hazards or abrupt start of the sewing machine, carry
out the work after turning OFF the power switch and a lapse of 5 minutes or more. To prevent accidents
caused by unaccustomed work or electric shock, request the electric expert or engineer of our dealers
when adjusting the electrical components.