APC MXA002 Datasheet download pdf (Page 24)

4.0 Installation

4.8 Input voltage tap selection—208 Vac, 50/60 Hz use only

As furnished, the UPS is configured to operate from a single phase

220240 Vac, 50/60 Hz source. To operate the UPS from a 208 Vac, 50/60 Hz source,

the UPS must be reconfigured. The steps required for this action are listed below.

Note that regardless of the input voltage tap selected, the UPSs output will remain in

the 220240 Vac range unless an alternate power distribution plate is installed.

4.8.1 Turn off (O) the UPSs input circuit breaker and unplug the input power cord.

4.8.2 Remove the 10-32 x 3/8-in. SEM screw holding the red Input Voltage Select

Wire (see illustration) to the tap bar marked 240VACSELECT.

4.8.3 Move the red Input Voltage Select Wire to the tap bar marked

208VACSELECT and tighten the screw.

4.8.4 See Section 5.2.6 to check the UPSs upper transfer to on-battery voltage and to

set the UPSs output voltage reporting to 208V.

208 Vac, 50/6 Hz

input configuration

220–240 Vac, 50/60 Hz

input configuration

208 VAC

SELECT

208 VAC

SELECT

240 VAC

SELECT

240 VAC

SELECT

Input voltage

select wire

(red)

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APC MXA002 Datasheet Page 24