3. INSTALLATION
RH-9820
23
3-14-3. Connecting the power cord
CAUTION
Be sure to connect the ground. If the ground connection is not secure, you run a high risk of receiving a serious electric
shock, and problems with correct operation may also occur.
<For single-phase specifications>
Insert the power cord plug (1) into a wall outlet.
<For three-phase specifications>
1. Attach an appropriate plug to the power cord (2). (The
green and yellow wire is the ground wire.)
2. Insert the power plug into a properly-grounded AC power
supply.
* The inside of the control box uses single-phase power.
NOTE:
Do not use extension cords. They may cause problems
with correct operation of the sewing machine.
<Single-phase
specifications>
<Three-phase specifications>
Green/yellow wire
(Ground wire)
0371B