Eaton 9155 User's Guide 164201644—Rev C0 13
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1. Remove the cables and screws for any ConnectUPS Web/SNMP or PXGX card and then remove the x-slot
card.
NOTE Before proceeding ensure that there are no active alarms or notices.
2. Set the system to internal Bypass mode:
• Using the
OPERATION
Eaton 9355 UPS (20/30 kVA) Installation and Operation Manual S 164201626 Rev C
74
Display Functions
As the default or after 15 minutes of inactivity, the LCD displays the selectable
startup screen. The default is the Eaton logo and can be changed to the Mimic screen
in the User Settings menu.
The back lit LCD a utomatically dims a fter a long period of inactivity. Press any button
to restore the screen.
Use the two middle buttons (
and ) to scroll through the menu structure. Press the
button to enter a submenu. Press the button to select an option. Press the
ESC
button to cancel or return to the previous menu.
The following table shows the basic menu structure.
Table 6. Menu Map for Display Functions
Main Menu Submenu Display Information or Menu Function
UPS Status
UPS off / System normal / UPS supporting load / UPS on battery / UPS on bypass / Active alarm
list / Battery status
For parallel systems: System normal / Battery floating UPS in Parallel mode / Parallel Unit
Number x / Units on CAN Bus / Units on load
Event Log Displays up to 127 events and alarms
Measurements
Parallel System
(parallel UPSs only)
Voltage [by unit] / Voltage [Parallel total] / Output Voltage: L-N / Output Voltage L-L / Output
Current / Output Frequency / Output Power
Output L-N and L-L / Current / Frequency / Power (kW/kVA/pf)
Battery Voltage / Current / Runtime
Input L-N and L-L / Current / Frequency
Bypass L-N and L-L / Frequency
Control
Go to Bypass Mode Transfers the UPS to internal Bypass mode
When this command is active, the option changes to Go to Normal Mode.
Start Battery Test Initiates a battery test
Display Test Four different selectable tests for the front panel functions: the LEDs cycle through, the alarm
beep sounds, the backlight turns off and on, and the pixels scroll through to test the LCD.
Settings
User Settings See Table 7 for detail.
Service Settings This screen is password-protected.
Identification UPS Type / Part Number / Serial Number / Firmware / Display / CAN Bridge
Turn UPS ON/OFF ON and OFF Options
button on the front panel display, scroll to the Control menu option and press the
OPERATION
Eaton 9355 UPS (20/30 kVA) Installation and Operation Manual S 164201626 Rev C
74
Display Functions
As the default or after 15 minutes of inactivity, the LCD displays the selectable
startup screen. The default is the Eaton logo and can be changed to the Mimic screen
in the User Settings menu.
The back lit LCD a utomatically dims a fter a long period of inactivity. Press any button
to restore the screen.
Use the two middle buttons (
and ) to scroll through the menu structure. Press the
button to enter a submenu. Press the button to select an option. Press the
ESC
button to cancel or return to the previous menu.
The following table shows the basic menu structure.
Table 6. Menu Map for Display Functions
Main Menu Submenu Display Information or Menu Function
UPS Status
UPS off / System normal / UPS supporting load / UPS on battery / UPS on bypass / Active alarm
list / Battery status
For parallel systems: System normal / Battery floating UPS in Parallel mode / Parallel Unit
Number x / Units on CAN Bus / Units on load
Event Log Displays up to 127 events and alarms
Measurements
Parallel System
(parallel UPSs only)
Voltage [by unit] / Voltage [Parallel total] / Output Voltage: L-N / Output Voltage L-L / Output
Current / Output Frequency / Output Power
Output L-N and L-L / Current / Frequency / Power (kW/kVA/pf)
Battery Voltage / Current / Runtime
Input L-N and L-L / Current / Frequency
Bypass L-N and L-L / Frequency
Control
Go to Bypass Mode Transfers the UPS to internal Bypass mode
When this command is active, the option changes to Go to Normal Mode.
Start Battery Test Initiates a battery test
Display Test Four different selectable tests for the front panel functions: the LEDs cycle through, the alarm
beep sounds, the backlight turns off and on, and the pixels scroll through to test the LCD.
Settings
User Settings See Table 7 for detail.
Service Settings This screen is password-protected.
Identification UPS Type / Part Number / Serial Number / Firmware / Display / CAN Bridge
Turn UPS ON/OFF ON and OFF Options
button.
• Press the
OPERATION
Eaton 9355 UPS (20/30 kVA) Installation and Operation Manual S 164201626 Rev C
74
Display Functions
As the default or after 15 minutes of inactivity, the LCD displays the selectable
startup screen. The default is the Eaton logo and can be changed to the Mimic screen
in the User Settings menu.
The back lit LCD a utomatically dims a fter a long period of inactivity. Press any button
to restore the screen.
Use the two middle buttons (
and ) to scroll through the menu structure. Press the
button to enter a submenu. Press the button to select an option. Press the
ESC
button to cancel or return to the previous menu.
The following table shows the basic menu structure.
Table 6. Menu Map for Display Functions
Main Menu Submenu Display Information or Menu Function
UPS Status
UPS off / System normal / UPS supporting load / UPS on battery / UPS on bypass / Active alarm
list / Battery status
For parallel systems: System normal / Battery floating UPS in Parallel mode / Parallel Unit
Number x / Units on CAN Bus / Units on load
Event Log Displays up to 127 events and alarms
Measurements
Parallel System
(parallel UPSs only)
Voltage [by unit] / Voltage [Parallel total] / Output Voltage: L-N / Output Voltage L-L / Output
Current / Output Frequency / Output Power
Output L-N and L-L / Current / Frequency / Power (kW/kVA/pf)
Battery Voltage / Current / Runtime
Input L-N and L-L / Current / Frequency
Bypass L-N and L-L / Frequency
Control
Go to Bypass Mode Transfers the UPS to internal Bypass mode
When this command is active, the option changes to Go to Normal Mode.
Start Battery Test Initiates a battery test
Display Test Four different selectable tests for the front panel functions: the LEDs cycle through, the alarm
beep sounds, the backlight turns off and on, and the pixels scroll through to test the LCD.
Settings
User Settings See Table 7 for detail.
Service Settings This screen is password-protected.
Identification UPS Type / Part Number / Serial Number / Firmware / Display / CAN Bridge
Turn UPS ON/OFF ON and OFF Options
button to select the Go to Bypass Mode option.
The
OPERATION
Eaton 9355 UPS (20/30 kVA) Installation and Operation Manual S 164201626 Rev C
79
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 85).
3. Switch on utility power where the UPS i s connected.
4. Switch the UPS input circuit breaker to the ON pos ition.
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 85).
3. Replace the UPS front door.
4. Switch on utility power where the UPS i s connected.
The load is now powered by utility power.
5. To transfer the load to the UPS, see “Using the UPS Maintenance Bypass
Switch”onpage85.
indicator illuminates indicating the UPS system is operating in Bypass mode.
3. Turn the maintenance bypass switch on the back of the UPS to the SERVICE position (see Figure 10).
The Normal LED
Eaton 9355 UPS (20/30 kVA) Installation and Operation Manual S 164201626 Rev C
73
Chapter 10 Operation
This c hapter contains information on how to use the Eaton 9355 UPS, including front
panel operation, UPS startup and shutdown, and configuring the UPS for Extended
Battery Cabinets (EBCs).
Control Panel Functions
The UPS has a four-button graphical LCD with backlight. It provides useful information
about the UPS itself, load status, events, measurements, and settings (see
Figure 53).
Power On Indicator (green)
On Battery Indicator (yellow)
Bypass Indicator (yellow)
Alarm Indicator (red)
Control Buttons
for the LCD Menu Options
Figure 53. Eaton 9355 UPS Control Panel
The following table shows the indicator status and description:
Indicator Status Description
Green
On The UPS is operating normally.
Flashing S The UPS is starting up or is shut down and waiting for power to return.
S A new information message is active.
S Bypass is not available.
Off The UPS is turned off and will not turn on automatically.
Yellow
On The UPS is in Battery mode.
Yellow
On The UPS is in Bypass mode.
Red
On The UPS has an active alarm.
Flashing There is a new UPS alarm condition. See “Troubleshooting” on page 93 for additional information.
Changing the Language
Press and hold the first button on the left for approximately five s econds to select the
language menu. This action is possible from any LCD menu screen.
will be flashing.
The UPS is now bypassed, with the load powered by utility power.
Verify the load has been transferred to bypass by viewing the output meters screen.
4. Command the UPS off.
Press the
OPERATION
Eaton 9355 UPS (20/30 kVA) Installation and Operation Manual S 164201626 Rev C
74
Display Functions
As the default or after 15 minutes of inactivity, the LCD displays the selectable
startup screen. The default is the Eaton logo and can be changed to the Mimic screen
in the User Settings menu.
The back lit LCD a utomatically dims a fter a long period of inactivity. Press any button
to restore the screen.
Use the two middle buttons (
and ) to scroll through the menu structure. Press the
button to enter a submenu. Press the button to select an option. Press the
ESC
button to cancel or return to the previous menu.
The following table shows the basic menu structure.
Table 6. Menu Map for Display Functions
Main Menu Submenu Display Information or Menu Function
UPS Status
UPS off / System normal / UPS supporting load / UPS on battery / UPS on bypass / Active alarm
list / Battery status
For parallel systems: System normal / Battery floating UPS in Parallel mode / Parallel Unit
Number x / Units on CAN Bus / Units on load
Event Log Displays up to 127 events and alarms
Measurements
Parallel System
(parallel UPSs only)
Voltage [by unit] / Voltage [Parallel total] / Output Voltage: L-N / Output Voltage L-L / Output
Current / Output Frequency / Output Power
Output L-N and L-L / Current / Frequency / Power (kW/kVA/pf)
Battery Voltage / Current / Runtime
Input L-N and L-L / Current / Frequency
Bypass L-N and L-L / Frequency
Control
Go to Bypass Mode Transfers the UPS to internal Bypass mode
When this command is active, the option changes to Go to Normal Mode.
Start Battery Test Initiates a battery test
Display Test Four different selectable tests for the front panel functions: the LEDs cycle through, the alarm
beep sounds, the backlight turns off and on, and the pixels scroll through to test the LCD.
Settings
User Settings See Table 7 for detail.
Service Settings This screen is password-protected.
Identification UPS Type / Part Number / Serial Number / Firmware / Display / CAN Bridge
Turn UPS ON/OFF ON and OFF Options
button on the front display, scroll to the UPS On/Off menu. Press the
OPERATION
Eaton 9355 UPS (20/30 kVA) Installation and Operation Manual S 164201626 Rev C
74
Display Functions
As the default or after 15 minutes of inactivity, the LCD displays the selectable
startup screen. The default is the Eaton logo and can be changed to the Mimic screen
in the User Settings menu.
The back lit LCD a utomatically dims a fter a long period of inactivity. Press any button
to restore the screen.
Use the two middle buttons (
and ) to scroll through the menu structure. Press the
button to enter a submenu. Press the button to select an option. Press the
ESC
button to cancel or return to the previous menu.
The following table shows the basic menu structure.
Table 6. Menu Map for Display Functions
Main Menu Submenu Display Information or Menu Function
UPS Status
UPS off / System normal / UPS supporting load / UPS on battery / UPS on bypass / Active alarm
list / Battery status
For parallel systems: System normal / Battery floating UPS in Parallel mode / Parallel Unit
Number x / Units on CAN Bus / Units on load
Event Log Displays up to 127 events and alarms
Measurements
Parallel System
(parallel UPSs only)
Voltage [by unit] / Voltage [Parallel total] / Output Voltage: L-N / Output Voltage L-L / Output
Current / Output Frequency / Output Power
Output L-N and L-L / Current / Frequency / Power (kW/kVA/pf)
Battery Voltage / Current / Runtime
Input L-N and L-L / Current / Frequency
Bypass L-N and L-L / Frequency
Control
Go to Bypass Mode Transfers the UPS to internal Bypass mode
When this command is active, the option changes to Go to Normal Mode.
Start Battery Test Initiates a battery test
Display Test Four different selectable tests for the front panel functions: the LEDs cycle through, the alarm
beep sounds, the backlight turns off and on, and the pixels scroll through to test the LCD.
Settings
User Settings See Table 7 for detail.
Service Settings This screen is password-protected.
Identification UPS Type / Part Number / Serial Number / Firmware / Display / CAN Bridge
Turn UPS ON/OFF ON and OFF Options
button to turn the
UPS off.
Rear fan is running signifying load is being supplied utility power on bypass.
5. Switch all of the UPS battery circuit breakers to the Off position.
6. Turn the maintenance bypass switch on the back of the UPS to the Bypass position (see Figure 10).
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1. Turn the maintenance bypass switch on the back of the UPS to the SERVICE position (see Figure 10).
2. Switch all of the UPS battery circuit breakers to the ON position.
3. Wait 1.5 to 2 minutes for the internal startup process to complete.
Wait until the bypass indicator illuminates and the two front fans are operating before proceeding to the
next step.
Verify the output voltage is present on the meters screen.
4. Turn the maintenance bypass switch on the back of the UPS to the UPS position to return to Normal mode
(see Figure 10).
When the green UPS normal indicator illuminates, the UPS is powering the load.
Verify the load is transferred to the UPS by viewing the output meters screen.
5. Reinstall any ConnectUPS Web/SNMP or PXGX cards, secure with retained hardware and connect cables.
Maintenance Bypass Switch Operation