Eaton 9355 Installation And Operation Manual

Operation
Eaton 9355 UPS (20/30kVA) Installation and Operation Manual 164201626—Rev F www.eaton.com/powerquality 77
Restarting the Parallel System
To restart the parallel system:
1. Verify that the maintenance isolation breaker (MIS) if present or all of the UPS breakers on the Tie Cabinet
are in the OFF position.
2. Switch on utility power where the UPSs are connected.
3. Remove the UPS front door (see page 10).
4. Switch the UPS input circuit breaker to the ON position.
5. If the optional UPS output circuit breaker is installed, switch the breaker to the ON position.
6. Wait for the front panel LCD to illuminate.
The indicator flashes.
7. Switch the battery circuit breaker to the ON position.
The indicator stops flashing.
8. If present, switch the maintenance isolation breaker on the Tie Cabinet to the ON position; otherwise,
switch all UPS breakers to the ON position.
9. Replace the UPS front door.
10. Verify that no alarms appear on the UPS front panel display.
If the indicator is flashing, do not proceed until all alarms are clear. Check the UPS status from the
front panel to view the active alarms. Correct the alarms and restart if necessary.
11. Press the button once and then press the button to select the TURN UPS ON/OFF menu.
12. Press the button to select the System On option; press the button.
13. Press and hold the button for three seconds, until the UPS stops beeping.
The UPS goes to Bypass mode for five seconds, and then the indicator illuminates. Each UPS should
be in Normal mode.
14. Press the button until the Eaton logo or Mimic screen appears.
ESC
ESC

Eaton 9355 Specifications

General

Efficiency	91 %
Noise level	58 dB
Output power	27000 W
Input frequency	50/60 Hz
Audible alarm(s)	Yes
Input power factor	0.99
Output power factor	0.9
Output power capacity	30 kVA
Input operation voltage (min)	220 V
Input current Total Harmonic Distortion (THD)	5 %
RS-232 ports	1
AC outlet types	-
AC outlets quantity	- AC outlet(s)
Safety	IEC 62040-1-1, IEC 60950, EN 62040-1-1, UL 1778, NOM-0190SCP8-1993
Form factor	Tower
Display type	LCD
Certification	EN 50091-2 Class A\\r UL, cUL, NOM-NYCE
Product color	Black
Battery technology	Sealed Lead Acid (VRLA)
Typical backup time at half load	- min
Operating altitude	0 - 3000 m
Storage temperature (T-T)	0 - 25 °C
Operating temperature (T-T)	10 - 40 °C

Weight and Dimensions

Depth	866.14 mm
Width	508 mm
Height	1676.4 mm