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UVWO TERMINAL OUTPUT VOLTAGES
Various output voltages can be obtained using the UVWO
output terminal lugs. The voltages at the terminals are
dependent 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.
3-Phase 240-Volt UVWO Terminal Output Voltages
1. Place the Voltage Selector switch in the 3-phase
240/139-volt position as shown in Figure 19.
3 PHASE
480/277
PRESS TO LOCK
Figure 19. Voltage Selector Switch
(3-Phase 240/139-Volt Position)
2. Connect the load wires to the UVWO terminal lugs
as shown in Figure 20.
BLACK
RED
U
V
240V
240V
Figure 20. UVWO Terminal Lugs
(3-Phase 240-Volt Connections)
PAGE 26 — DCA25SSIU4FC8 60 HZ GENERATOR • OPERATION MANUAL — REV. #0 (08/23/22)
OUTPUT TERMINAL PANEL CONNECTIONS
3 PHASE
240/139
1 PHASE
240/120
BLUE
WHITE
GREEN
W
O
240V
139V
GROUND CONNECTION
139V
MUST BE USED
AT ALL TIMES
139V
3. Tur n the Voltage Regulator control knob
(Figure 21) clockwise to increase voltage output,
counterclockwise to decrease voltage output. Use
the Voltage Regulator control knob whenever fine
tuning of the output voltage is required.
DECREASE
Figure 21. Voltage Regulator Control Knob
3-Phase 208-Volt / Single-Phase 120-Volt
UVWO Terminal Output Voltages
1. Place the Voltage Selector switch in the 3-phase
240/139-volt position as shown in Figure 19.
2. Connect the load wires to the UVWO terminal lugs
as shown in Figure 22.
BLACK
RED
U
V
208V
208V
Figure 22. UVWO Terminal Lugs
(3-Phase 208-Volt / 1-Phase 120-Volt Connections)
NOTICE
To achieve 3-phase 208-volt output, the Voltage
Selector switch must be in the 3-phase 240/139-volt
position and the voltage regulator must be adjusted
to 208 volts.
INCREASE
BLUE
GREEN
WHITE
O
W
208V
120V
GROUND CONNECTION
MUST BE USED
AT ALL TIMES
120V
120V
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