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PRECISION 8i
OPERATION MANUAL
9
To change the AC operating voltage selection:
This procedure should be performed only by qualified technical personnel. If
you are not qualified, please consult TRUE Systems or your dealer for
assistance.
240
1
2
1) Using an appropriate AC voltmeter, measure the AC line voltage at the
installation site.
2) Make sure the AC power cord is disconnected from the PSU-P8i Power
Supply Unit.
3) Using a small screwdriver or similar tool, release the latch on the Fuse
Drawer 1 and pull it (and the fuses) out of the AC inlet module.
4) Using a small screwdriver or similar tool, remove the Voltage Selector 2 .
5) Rotate the Voltage Selector to the appropriate position for the AC voltage
measured in Step 1) above. See Table below for proper Voltage Selector
setting. Select the setting that places your measured voltage nearest the
middle of the Operating Voltage Range.
Voltage Selector Operating Voltage Range Fuses (2)____
100V 90-110VAC 50/60Hz T 500mA L, 250V
120V 110-132VAC 50/60Hz T 500mA L, 250V
220V 201-240VAC 50/60Hz T 315mA L, 250V
240V 220-264VAC 50/60Hz T 315mA L, 250V
For other operating voltage options, consult TRUE Systems.
CAUTION: To provide continued protection against fire, replacement fuses should be
only of the types listed above. Note that two (2) fuses are necessary and that both fuses