Eaton 9355 Installation And Operation Manual

Operation
76 Eaton 9355 UPS (20/30kVA) Installation and Operation Manual 164201626—Rev F www.eaton.com/powerquality
Parallel Operation
Initial startup must be performed by an authorized Eaton Customer Service Engineer. This section describes
shutting down and restarting UPSs in a parallel system.
Parallel System Shutdown
To remove power to the parallel UPS system output:
1. Press any button on the front panel display to activate the menu options.
2. Press the button on the front panel display and then press the button to select the TURN UPS ON/
OFF menu.
3. Press the button to select the System Off option.
4. Press and hold the button for three seconds, until the UPS stops beeping.
The UPS removes power to the parallel UPS system output.
5. Press the button until the Eaton logo or Mimic screen appears.
6. If you want to completely remove power from the UPS, continue to the following section, “Individual UPS
Shutdown (Parallel System),” to shut down each UPS.
Individual UPS Shutdown (Parallel System)
To shut down a single UPS in the parallel system:
1. Press any button on the front panel display to activate the menu options.
2. Press the button on the front panel display and then press the button to select the TURN UPS ON/
OFF menu.
3. Press the button to select the UPS Off option.
4. Press and hold the button for three seconds, until the UPS stops beeping.
5. Remove the UPS front door (see page 10).
6. Switch the UPS input and battery circuit breakers to the OFF position.
7. If the optional UPS output circuit breaker is installed, switch the breaker to the OFF position.
The UPS beeps and the front panel display LEDs flash for approximately 45 seconds as the logic power
shuts down.
8. Replace the UPS front door.
9. Switch the UPS breaker on the Tie Cabinet to the OFF position.
Note: If there is only one breaker for all UPSs, do not switch off utility power until all UPSs are shut down.
10. Switch off utility power where the UPS is connected.
If you are shutting down all the UPSs in a parallel system, repeat Steps 1 through 9 for each UPS then
remove utility power.
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