User`s guide

69
D
Line Voltage Conversion
WARNING: Shock Hazard Operating personnel must not remove instrument covers.
Component replacement and internal adjustments must be made only by qualified
service personnel.
Open the Unit
♦ Turn off ac power and disconnect the power cord from the unit.
♦ Loosen the two screws on the rear bezel and remove the bezel (use a #15 Torx drive).
♦ Remove the two screws on the bottom of the unit (use a #15 Torx drive).
♦ Pull the cover back to remove it from the unit.
Configure the Power Transformer
♦ Locate the ac input wiring harness on the left side of the transformer
♦ Use a needlenose pliers and connect the ac input wiring harness according to the information in the
following figure:
white/red/grey
grey
orange
orange
1
2
3
4
5
6
7
Top part of
transformer
Front of unit
white/red/grey
grey
orange
white/red/grey
grey
orange
orange
white/red/grey
grey
orange
220 VAC
(spare)
orange
(spare)
orange
white/yellow
white/violet
white/yellow
white/violet
white/yellow
white/violet
white/yellow
white/violet
Top part of
transformer
Front of unit
120 VAC
Top part of
transformer
Front of unit
100 VAC
Top part of
transformer
Front of unit
230 VAC
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
Figure D-1, Power Transformer AC Input Connections