Operating Manual
alpha DO 1000
35
12 APPENDICES
ENSURE
that the power cable is physically separated from the power
supply
.
12.1 Appendix 1 – Jumper Positions for 110 or 230 volts
Jumper Positions - Internal to the controller
JP 1
Selects the input voltage 220 VAC.
JP 2
Selects the input voltage 110 VAC.
Fuse
Note
that there is a fuse (slow-blow 100mA) internal to the
controller. Replace fuse with the recommended type only.
View from the top of Main PCB
Jumper setting for 110 or 230 volts
F
ro
nt
(
w
ith
L
C
D
)
R
ea
r
11
0
V
A
C
JP2
23
0
V
A
C
Transformer
JP1
Fuse