15
5-3. Changing Source Voltage
・
The PAR-A power supply unit runs on AC100V, 115V 200V or 230V, which is selectable.
CAUTION
：
Be sure to disconnect the AC power cable from the unit or turn off the breaker on the
power distribution board before changing the source voltage. Use a fuse of the
characteristics and capacity shown below. If an inappropriate fuse is used, the PAR-A
power supply unit may become faulty. Be careful.
Use an AC power cable suitable to the input voltage rating of the PAR-A unit. Make
sure that the power switch is switched off, and connect the power cable to the AC
power inlet securely.
Changing the source voltage
1. Make sure that the AC power cable is disconnected from the unit.
2. Select the intended source voltage with the switches on the bottom plate of the unit. (See Fig.5)
3. Take out the fuse from the fuse holder on the rear panel.
Replace it with an appropriate fuse. (See Fig.5,6)
Source voltage
SWITCH
POSITION
Fuse rating
AC100V
250V 3.15A
Time lag fuse
AC115V
AC120V
AC200V
250V 1.6A
Time lag fuse
AC220V
AC230V
Fig.5 Source Voltages and Switching Positions
Fig.6 Replacing Protection Fuse
F
U
SE
Press this part in the arrow direction to remove.
Push the fuse until a click sound is head.
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
