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PAGE 28 — DCA-25USIXF/DCA-25USI2XF — OPERATION AND PARTS MANUAL — REV. #8 (05/08/09)
Figure 21. Voltage Selector Switch 240/139V
Three-Phase Position
DCA-25USIXF/DCA-25USI2XF— OUTPUT TERMINAL PANEL
CONNECTIONS
UVWO Terminal Output Voltages
Various output voltages can be obtained using the
Output
Terminal Lugs
. The voltages at the terminals are depen-
dent on the position of the
Voltage Selector Switch
and the
adjustment of the
Voltage Regulator Control Knob
.
Remember the voltage selector switch determines the
range
of the output voltage. The voltage regulator (VR) allows the
user to increase or decrease the selected voltage.
3Ø 240/139 Output Terminal Lug Voltages
1. Place the voltage selector switch in the 3Ø 240/139
position as shown in Figure 21.
Figure 22. Output Terminal Lugs
3Ø-240/139V Connections
2. Connect the load wires to the
Output Terminal Lugs
as
shown in Figure 22.
3. Turn the voltage regulator knob (Figure 23) clockwise to
increase voltage output, turn counterclockwise to
decrease voltage output.
3Ø 208V/1Ø120V Output Terminal Lug Voltages
1. Place the voltage selector switch in the 3Ø 240/139
position as shown in Figure 24.
Figure 23. Voltage Regulator Knob (139V/240V)
Use this position for
3Ø-240 or 1Ø120V.
2. Connect the load wires to the
Output Terminal Lugs
as
shown in Figure 25.
3. Turn the voltage regulator knob (Figure 23) clockwise to
increase voltage output, turn counterclockwise to
decrease voltage output.
NOTE
To achieve a 3Ø 208V output
the voltage selector switch
must be in the 3Ø-240/139
position and the voltage
regulator must be adjusted to
208V.
Figure 25. Output Terminal Lugs
3Ø-208/120V Connections
Figure 24. Voltage Selector
Switch 240/139V
Three-Phase Position