BIRD THRULINE 4021, Instruction Book

Page: 17 / 62

Installation
7
230V AC Power
Setting AC Voltage
The 4421 is factory set for 115 Vac input voltage. To change the
voltage setting:
1. Open the ac module door and remove the voltage selector drum.
2. Rotate the voltage selector drum to the desired voltage:
y
For 115 Vac, position the drum so that the second line on the
drum will be visible through the window.
y
For 230 Vac, position the drum so that the third line on the
drum will be visible through the window.
3. Replace the voltage selector drum and close the cover.
AC Line
Connectors
To make the ac line cord compatible with European style sockets,
users must install the appropriate connector on the power cord.
Figure 5
Voltage Selection
Selector
Drum
Selection
Window
AC Module
Door
WARNING
Disconnect the unit from all power sources before servicing.
The unit may be energized from multiple sources.
The potential for electric shock exists.
CAUTION
Be sure that the 115/230 voltage selector on the 4421’s rear panel is
set to the proper voltage before ac power is applied.