Changing The Voltage Of 100 / 200V - JUKI AMB-289 Engineer's Manual

(4) Changing the voltage of 100 / 200V

It is adaptable to the voltage of single phase 100V to 120V/3-phase 200V to 240V by changing the voltage changeover
connector mounted on FLT p.c.b.
(Caution) When the changing procedure is wrong, the control box will be broken. So, be very careful.
A
WHITE
BLACK
RED
GREEN/
YELLOW
B
WHITE
BLACK
RED
GREEN/
YELLOW
C
WHITE
BLACK
RED
GREEN/
YELLOW
(Plug side)
WHITE
BLACK
RED
GREEN/
YELLOW
(Plug side)
WHITE
BLACK
RED
GREEN/
YELLOW
(Plug side)
WHITE
BLACK
RED
GREEN/
YELLOW
– 128 –
Changing procedure of the changeover connector
1. Turn OFF the power source with the power switch
after confirming that the sewing machine has
stopped.
2. Draw out the power cord from the power plug
socket after confirming that the power switch is
turned OFF. Then wait for five minutes or more.
3. Remove the front cover.
4. Remove four screws fixing the rear cover of the
control box and slowly open the rear cover.
A. In case of using with 3-phase 200V to 240V
• Changing the changeover connector
Connect to 200V the 100/200V changeover con-
nector of FLT p.c.b.
Box Side of the control box.
• Connect the crimp style terminal of AC input cord
to the power plug as shown in the figure.
B. In case of using with single phase 100V to
120V
• Changing the changeover connector
Connect to 100V the 100/200V changeover con-
nector of FLT p.c.b.
Box Side of the control box.
• Connect the crimp style terminal of AC input cord
to the power plug as shown in the figure.
(Caution) Securely perform the insulation treat-
ment to the red terminal which is not
used with insulation tape or the like.
(When the insulation is insufficient,
there is a danger of electric shock or
leakage current.)
C. In case of using with single phase 200V to
240V
• Changing the changeover connector
Connect to 200V the 100/200V changeover con-
nector of FLT p.c.b.
Box Side of the control box.
• Connect the crimp style terminal of AC input cord
to the power plug as shown in the figure.
(Caution) Securely perform the insulation treat-
ment to the red terminal which is not
used with insulation tape or the like.
(When the insulation is insufficient,
there is a danger of electric shock or
leakage current.)
5. Check that the change has been performed with-
out fail before closing the rear cover.
6. Be careful that the cord is not pinched between
the rear cover and the control box main unit.
Close the rear cover while pressing the lower side
of rear cover, and tighten four screws.
located on the side of the
located on the side of the
located on the side of the