Eaton 9355 Installation And Operation Manual

Operation
74 Eaton 9355 UPS (20/30kVA) Installation and Operation Manual 164201626—Rev F www.eaton.com/powerquality
7. Select the TURN UPS ON option. Press and hold the button for three seconds, until the UPS stops
beeping.
The UPS starts in Battery mode within two minutes and supplies battery power to your equipment.
8. Replace the UPS front door.
Internal Bypass Startup
To start the UPS when the load is powered by the internal bypass:
1. Remove the UPS front door (see page 10).
2. Verify that the maintenance bypass switch is in the SERVICE position (see Figure 55 on page 80).
3. Switch on utility power where the UPS is connected.
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 UPS battery circuit breaker to the ON position.
The indicator stops flashing.
The UPS starts and transfers to Bypass mode. This may take up to 1 minute.
The indicator flashes while transfering to bypass then goes out with the illuminating to indicate
the UPS is operating in Bypass mode. The load is now powered by utility power.
The display indicates On Manual/Maintenance Bypass.
8. To switch to Normal mode from internal Bypass mode, rotate the maintenance bypass switch to the UPS
position.
The indicator illuminates to indicate the UPS is operating in UPS mode. The load is now powered by
UPS.
9. Replace the UPS front door.
UPS Maintenance Bypass Startup
To start the UPS in maintenance bypass:
1. Remove the UPS front door (see page 10).
2. Verify that the maintenance bypass switch is in the BYPASS position (see Figure 55 on page 80).
3. Replace the UPS front door.
4. Switch on utility power where the UPS is connected.
The load is now powered by utility power.
5. To transfer the load to the UPS, see “Using the UPS Maintenance Bypass Switch” on page 80.

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