True Manufacturing Company PRECISION 8i Precision, To change the AC operating voltage selection

PRECISION 8i OPERATION MANUAL

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.

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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

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