Novametrix Medical Systems OXYPLETH 520A, Service Manual

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Assembly Exchanges
5-Jun-01 Model 520A Service Manual
41
PRELIMINARY
3. Using needle-nosed pliers, pull the Voltage Selector Drum from the PEM.
Note the orientation of the drum; the proper voltage should face out.
4. Set the Voltage Selector Drum so that the printed side of the correct voltage
faces you. The voltage selections are pictured below.
5. Snap the Voltage Selector Drum back into the PEM. Be sure that the Voltage
Setting Indicator shows the proper voltage. Close the Fuse Access Door.
Assembly Exchanges
10.6
Disassembly should be performed by qualified personnel. Follow proper grounding
procedures to avoid damage to internal components from static discharge.
Figure 6. Power Entry Module Voltage Selector Drum Removal
Figure 7. Power Entry Module Voltage Selection Adjustment
115V
ac
O
Voltage Selector Drum
115V
ac
O
OR
115V
ac
230V
ac