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Appendix C: Changing the VX3500 Voltage
115
115
115
230
1: Insert a small screwdriv-
er into the slot beneath the
fuse sled and gently press
in and up. The fuse sled will
pop out approximately 3/8"
inch.
2: Remove fuse sled.
3: Use a small pair of
needlenose pliers to
gently pull out the
mains jumper.
4: Use the needlenose pliers to reverse
the mains jumper so that the other
voltage value is facing outwards, then
reinsert the mains jumper. Finally,
reinsert the fuse sled by gently pushing
it back in until you hear a click.
Note that the fuse sled carries two fuses—one for 115 volt operation (actually 105 - 120 volts) and another for 230 volt
operation (actually 220 - 240 volts). The position of the two fuses in the sled as well as the fuse ratings must be
maintained for adequate protection. Fuse ratings for the Model 2000 are: 5 amp for 115 VAC and 2.5 amp for 230
VAC. Fuse ratings for the Model 3500 are: 8 amp for 115 VAC and 4 amp for 230 VAC.
Following are step-by-step instructions for changing the mains voltage of the Model 2000/3500.
WARNING: Before carrying out this operation, remove the power cord!