User manual

17Basic Service
Adjusting US model voltage settings
1. Disconnect the fixture from AC power
and place it upside down on a work
table. If the lamp is hot, allow it to cool for 5 minutes and wear safety goggles
to protect your eyes.
2.
Remove the screws from the 4 corners of the bottom plate and lift it off.
3.
On the ballast, move the BROWN wire to the 225 V / 50 Hz terminal for
50 Hz AC or to the 225 V / 60 Hz terminal for 60 Hz AC.
4.
On the transformer, move the BROWN wire to the setting as listed above
for the local AC voltage.
5.
Replace the cover.
Local AC Voltage Transformer Setting
95 - 105 V 100 V, 50/60 Hz
105 - 115 V 110 V, 50/60 Hz
115 - 125 V 120 V, 50/60 Hz
215 - 235 V 225 V, 50/60 Hz
Figure 5: US model transformer and ballast taps
Ballast
225 V / 50 Hz
Transformer
225 V
120 V
110 V
100 V
225 V / 60 Hz